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Journal articles on the topic 'Broiler chicken fattening'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Bogosavljevic-Boskovic, S., S. Mitrovic, V. Radovic, and V. Doskovic. "The age and housing system effects on the growth of broilers." Biotehnologija u stocarstvu 23, no. 5-6-1 (2007): 519–25. http://dx.doi.org/10.2298/bah0701519b.

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Bearing in mind certain established European Union regulations on the conventional extensive broiler rearing system as well as poultry breeding specificities of our country, experimental investigations were organized with the aim of making a comparison between broiler growth in two different non-industrial rearing systems. The systems included extensive fattening in a poultry house and free-range rearing. The fattening period in both rearing systems lasted up to the 63rd day of broiler age. During the fattening period chicken growth was controlled by individual chicken weighing on a weekly bas

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Skrbic, Zdenka, Z. Pavlovski, and M. Lukic. "The effect of fattening duration in different rearing systems on slaughter traits of broiler chickens of genotype Redbro." Biotehnologija u stocarstvu 23, no. 3-4 (2007): 67–74. http://dx.doi.org/10.2298/bah0704067s.

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Slow growing chickens of genotype Redbro, were reared in two systems in order to determine the effect of duration of fattening on values of slaughter yields/dressing percentages and shares of main carcass parts. Fattening of chickens in chicken coop to age of 84 days had considerable effect on increase of slaughter yields: "Conventional processing"(83.59%), "Ready to roast"(77.22%) and "Ready to grill"(67.17%) compared to 42nd day of age (82.21; 74.87 and 65.42%). Redbro chickens reared on free range had lower body masses compared to chickens reared from chicken coops in all investigated ages.

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3

Bogosavljevic-Boskovic, Snezana, Zlatica Pavlovski, Milun Petrovic, and Vladimir Doskovic. "Quantitative meat quality parameters of broilers from different rearing systems." Biotehnologija u stocarstvu 20, no. 3-4 (2004): 113–19. http://dx.doi.org/10.2298/bah0404113b.

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Bearing in mind both certain established European Union regulations on the non-industrial poultry meat production and rearing specificities in our conditions, experimental investigations were conducted with the aim of examining the effect of two different rearing systems (outlet fattening and extensive rearing in the chicken-pen) on major quantitative characteristics of dressed broiler carcasses. The initial material used in the experiment consisted of one-day old chickens of the Hybro G strain. Following the 56-day fattening period, the shares of dressed carcasses, slaughter by-products, abdo

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Pavlovski, Zlatica, M. Lukic, R. Cmiljanic, and Zdenka Skrbic. "Conformation measures on carcass of chickens." Biotehnologija u stocarstvu 22, no. 3-4 (2006): 83–96. http://dx.doi.org/10.2298/bah0604083p.

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An example of measuring of conformation of chicken carcasses using the method applied in the Institute for Animal husbandry, Belgrade-Zemun is presented in this paper, as well as results of our previous research and more recent comparative investigations of different chicken genotypes used for fattening. In order to determine genetic improvement of hybrid which is used in certain research period in broiler production, we will present results of comparative research of different lines tested in years1983, 1993 and 2004. Investigation of the chicken conformation (with few typical chickens of eac

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Kroupa, Leo, Pavel Suchý, Eva Straková, and Ivan Herzig. "Glycerol as source of energy in broiler chicken fattening." Acta Veterinaria Brno 80, no. 2 (2011): 157–64. http://dx.doi.org/10.2754/avb201180020157.

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The objective of this study was to verify the possibility of replacing soybean oil in a diet with glycerol, and investigate the effect of glycerol on performance indicators and health in broiler chickens. The experiment was performed on 122 one-day-old chickens that were divided based on sex into two control groups (30 females and 31 males) and two experimental groups (30 females and 31 males). Half (50%) of the soybean oil in diets used in the experimental groups was replaced with glycerol at a ratio of 1:2. On 15, 32 and 38 day of age chickens of both sexes in the experimental group that wer

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Pavlovski, Z., Z. Skrbic, M. Lukic, V. Petricevic, and A. Stanojkovic. "Carcass quality of chickens of different conformation." Biotehnologija u stocarstvu 30, no. 3 (2014): 473–79. http://dx.doi.org/10.2298/bah1403473p.

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The aim of this study was to investigate the effect of conformation of chickens of different genotype on the yield of breast meat. As a typical example of the chickens of very poor conformation pure breed Naked neck chickens were taken, fattened 8 and 10 weeks (groups K8 and K10). As an example of good conformation, an imported hybrid of chickens was taken, known for its broiler qualities and as medium growing hybrid, Red Bro (R). The second experiment included commercial hybrids of fast growth (Ross, Cobb and Hubbard) reared according to all technological standards of intensive fattening unti

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Pavlovski, Z., Z. Skrbic, N. Stanisic, et al. "Differences in fatty acid composition of meat between naked neck and two commercial broiler chicken breeds." Biotehnologija u stocarstvu 29, no. 3 (2013): 467–76. http://dx.doi.org/10.2298/bah1303467p.

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Chicken meat from intensive broiler production have different quality compared with meat from native chicken breeds and chicken from a free range production system. The aim of the present study was to evaluate differences in fatty acids content of meat of Naked Neck chickens rared in free range system and two commercial broiler breeds (Cobb 308 and Hybro G+) reared in conventional production system. The trial involved 100 chickens per group. Fattening period lasted 42 days for conventional system and 84 days for free range system. Breast meat of Naked Neck chicken had statistically more 16:0 c

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Demchyschyn, O. V., M. D. Kuhtyn, and Yu B. Perkiy. "Assessment of the Quality of Broiler Chicken Meat in case of Feeding the “Aquasan” Acidifier." Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 20, no. 88 (2018): 85–88. http://dx.doi.org/10.32718/nvlvet8815.

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The acidifying agents are being used more often as an alternative to fodder antibiotics in order to preserve bird’s stock and increase productivity. We created the new liquid acidifier “Aquasan” for broiler chickens on the basis of organic and inorganic acids. The application of various feed additives or drugs to the diet of chickens leads to changes in the chemical composition of meat. The purpose of the paper was to research the slaughter qualities and the chemical composition of broiler chicken meat in case of feeding the stock with the “Aquasan” acidifier. The research was conducted on thr

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Demchyschyn, O. V., M. D. Kuhtyn, and Yu B. Perkiy. "Toxicity and Biological Value of Broiler Chicken Meat in case of Feeding the “Aquasan” Acidifier." Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 20, no. 92 (2018): 94–97. http://dx.doi.org/10.32718/nvlvet9218.

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Employees of the Ternopil Research Station on the basis of organic and inorganic acids created a new liquid acidifier for broiler chickens called the “Aquasan”. It positively affects the preservation, productivity and constant microflora of the digestive tract in chickens. An important indicator of meat is its harmlessness and biological value. The purpose of the paper was to research the toxicity and biological value of chicken meat in case of feeding the stock with the “Aquasan” acidifier. The research was conducted on three groups of chicken broilers of the breed Ross 308–50 heads in each g

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Peric, L., D. Zikic, and M. Lukic. "Application of alternative growth promoters in broiler production." Biotehnologija u stocarstvu 25, no. 5-6-1 (2009): 387–97. http://dx.doi.org/10.2298/bah0906387p.

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Subsequent to banning of use of antibiotics as growth promoter sin poultry nutrition, numerous studies turned to finding of alternative solutions, i.e. other, natural substances, which would have positive effect on chicken growth and feed conversion. Today, several groups of these additives are in use, and most often probiotics, prebiotics, enzymes, acidifiers, antioxidants and phytogene additives. Considering that each of the stated groups has its own specificities, objective of this work was to present main mechanism of their action and to present their effect on production results in fatten

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Hudák, Marek, Boris Semjon, Dana Marcinčáková, et al. "Effect of Broilers Chicken Diet Supplementation with Natural and Acidified Humic Substances on Quality of Produced Breast Meat." Animals 11, no. 4 (2021): 1087. http://dx.doi.org/10.3390/ani11041087.

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This study was conducted to examine the effect of two humic substances (HS) supplemented in broilers’ diet on the breast meat quality of broiler chickens. In this experiment, 120 pieces of one-day-old COBB500 broiler chickens were used. Broilers were divided into three groups, each containing 40 birds with three replications (13, 13, and 14 per one pen). Fattening lasted 38 days. The first experimental diet was supplemented with 0.7% of HS (HS0.7) and the second was enriched with 0.7% of acidified HS (HSA0.7). The control group of broilers (C) was fed a basal diet without the addition of any s

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Kaewkot, C., J. Ruangsuriya, M. Kreuzer, and S. Jaturasitha. "Carcass and meat quality of crossbreds of Thai indigenous chickens and Rhode Island Red layer chickens as compared with the purebreds and with broilers." Animal Production Science 60, no. 3 (2020): 454. http://dx.doi.org/10.1071/an18759.

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Context In order to maintain the availability of meat from indigenous chicken types in remote Asian regions with their special meat quality, novel ways of increasing efficiency are needed. One way could consist of crossbreeding with layer type chickens that are genetically quite distant from indigenous breeds. Aim The three hypotheses tested were as follows: that the meat quality of indigenous chickens differs from that of broilers; that the meat quality of male layer chickens resembles that of indigenous chickens rather than that of broilers; and that crossbreds of indigenous chickens and lay

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Hen, Gideon, Sara Yosefi, Victoria Simchaev, Dmitry Shinder, Victor J. Hruby, and Miriam Friedman-Einat. "The melanocortin circuit in obese and lean strains of chicks." Journal of Endocrinology 190, no. 2 (2006): 527–35. http://dx.doi.org/10.1677/joe.1.06783.

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Agonists of membranal melanocortin 3 and 4 receptors (MC3/4Rs) are known to take part in the complex control mechanism of energy balance. In this study, we compared the physiological response to an exogenous MC3/4R agonist and the hypothalamic expression of proopic melanocortin (POMC) gene, encoding few MC3/4R ligands, between broiler and layer chicken strains. These strains, representing the two most prominent commercial strains of chickens grown for meat (broilers) and egg production (layers), differ in their food intake, fat accumulation, and reproductive performance and, therefore, form a

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14

Revajova, V., R. Herich, V. Seman, et al. "An unusual outbreak of inclusion body hepatitis on a broiler chicken farm: a case report." Veterinární Medicína 62, No. 11 (2017): 631–35. http://dx.doi.org/10.17221/95/2017-vetmed.

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This study investigated an outbreak of inclusion body hepatitis in ROSS 308 hybrid broiler type chickens between 19 and 25 days of fattening. For this purpose, clinical observation, ELISA fowl adenovirus and chicken anaemia virus antibody detection in serum at 21 and 42 days, mortality evaluation, epidemiological analysis, histology and genetic identification were performed. The six flocks of the farm consisted of 90,000 chickens. Only one flock of 15,000 chickens was affected on this farm. At 19 days of age, ill chickens showed clinical signs of depression, anorexia, somnolence, ruffled feath

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Suchý, P., E. Straková, V. Kummer, et al. "Hepatoprotective Effects of Milk Thistle (Silybum marianum) Seed Cakes during the Chicken Broiler Fattening." Acta Veterinaria Brno 77, no. 1 (2008): 31–38. http://dx.doi.org/10.2754/avb200877010031.

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The objective of this work was to verify the hepatoprotective effects of Silybum marianum seed cakes in feed mixtures used for the fattening of chicken broilers to heavier weights. Part of the experiment was to verify the preventive effect of such modified feed mixtures with the use of chlortetracycline medication. The experiment was carried out on 180 ROSS 308 broiler chickens. The chickens were fed complete feed mixtures containing 0.0% (K), 0.2% (P1 and 1.0% (P2) of Silybum marianum seed cakes. The cakes used contained 2.95% of silymarin. On the 44th day of fattening half of the chickens fr

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16

Knížatová, M., Š. Mihina, J. Brouček, I. Karandušovská, G. J. Sauter, and J. Mačuhová. "Effect of the age and season of fattening period on carbon dioxide emissions from broiler housing." Czech Journal of Animal Science 55, No. 10 (2010): 436–44. http://dx.doi.org/10.17221/1701-cjas.

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The quantification of emissions of greenhouse gases from human activities is of prime importance for determining the importance of their effect on the environment. The aim of this study was to test a hypothesis that the interior concentration and emission of carbon dioxide in chicken housing is impacted by the age of animals and season of fattening period. Carbon dioxide (CO<sub>2</sub>) concentrations and emissions were assessed over six fattening periods in total. The major part of CO<sub>2</sub> seemed to have its origin in bird respiration with assumed production of

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Nufer, A. I., and E. V. Shatskikh. "The effect of herbal supplements on development of internal organs and chemical composition of broilers muscles." Theory and practice of meat processing 6, no. 2 (2021): 141–50. http://dx.doi.org/10.21323/2414-438x-2021-6-2-141-150.

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The present article presents data on effectiveness of adding a phytobiotic feed additive into the diet of broiler chickens, either additionally or replacing the feed antibiotic in the chicken fodder. It has been established that the introduction of a phytobiotic feed additive into the broilers’ diet, both additionally and by replacing the feed antibiotic, provided positive effect on poultry meat quality and gave no negative effect on development of internal organs. By the end of fattening the relative weight of heart, lungs, kidneys, gizzard and intestines in broilers, which consumed the antib

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Шилов, Валентин, Valentin Shilov, Гузалия Хакимова, et al. "EFFICIENCY OF BROILER-CHICKENS CULTIVATION AT INCLUSION OF “BISFENOL-5” ANTIOXIDANT IN THE RATION." Vestnik of Kazan State Agrarian University 12, no. 4 (2018): 106–9. http://dx.doi.org/10.12737/article_5a8449a61aa6b0.55878034.

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The main task in meat poultry production is to obtain products in a short period of fattening with the minimum feed costs. In economic terms, fodders occupy the largest share in the cost structure of poultry meat. The feed in its composition and properties should satisfy the physiological needs of the chicken, as much as possible, and this, in turn, directly depends on its usefulness and quality. In this regard, the actual issue of feeding is the use of antioxidants to improve the conservation of feed and optimize metabolism in the body of the bird. The inclusion of “Bisfenol-5” antioxidant in

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19

Bogosavljević-Bosković, S., V. Kurćubić, M. Petrović, and V. Dosković. "The effects of season and rearing systems on meat quality traits." Czech Journal of Animal Science 51, No. 8 (2011): 369–74. http://dx.doi.org/10.17221/3953-cjas.

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With the aim to examine the effect of season and rearing system on major broiler meat quality traits appropriate experimental investigations were conducted. Trial material included a total of 800 one-day-old broilers of the Hybro line hybrid. The experiment was organized in two replications, as trial I (conducted in the spring season) and trial II (conducted in the summer season). Two broiler fattening methods were employed, the intensive and semi-intensive one (using free-range rearing). The experimental chicks were slaughtered after seven weeks of fattening. Following the fattening period, 6

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Šranková, Veronika, Jana Lendelová, Štefan Mihina, Miroslav Žitňák, and Gregorz Nawalany. "Mortality of Broiler Chickens During Summer Fattening Periods Affected by Microclimatic Conditions." Acta Technologica Agriculturae 22, no. 1 (2019): 22–30. http://dx.doi.org/10.2478/ata-2019-0005.

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Abstract Mortality of chickens during two summer fattening periods L1 and L2 in commonly used halls for chicken fattening in Slovakia have been evaluated in this paper. Effect of microclimatic conditions in housing area on recorded mortality has been analysed. Mortality was assessed in six halls, microclimate parameters and surface temperatures were continually measured only in one of the middle halls. It was documented that high mortality occurred during summer in the last phase (P3) of fattening period due to sudden hot weather waves. Daily mortality rate varied up to 447 birds in evaluated

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Tolimir, N., Z. Pavlovski, S. Mitrovic, M. Blagojevic, and N. Anokic. "Quality of meat from broilers fed concentrate mixtures with different chromium source and level." Biotehnologija u stocarstvu 23, no. 5-6-2 (2007): 311–21. http://dx.doi.org/10.2298/bah0702311t.

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Objective of the paper was to investigate if adding of chromium in different forms (organic and inorganic) and levels (quantities) to mixtures for broilers has any effect on broiler meat traits. Investigation was carried out on 840 chickens divided into four groups - treatments. Differences between groups (treatments) were in the form (organic and inorganic) and quantity of added chromium preparation (200 and 400 ppb) in basic mixtures for chicken nutrition. At the end of fattening (42 days) 48 broilers were dissected and shares of certain tissues in breasts, thighs and drumsticks were determi

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Grabarević, Ž., P. Džaja, J. Perić, et al. "Effects of Cimetidine on Broiler Fattening and on Stress-Induced Gizzard Erosion in Chicken." Acta Veterinaria Hungarica 47, no. 2 (1999): 233–41. http://dx.doi.org/10.1556/004.47.1999.2.8.

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The work describes the effects of cimetidine on stress-induced gizzard erosions (Experiment A) and the influence of the long-term application (42 days) of the same drug on weight gain and feed consumption during broiler fattening (Experiment B). For Experiment A, 60 male, three-day-old chicks were divided into two groups: C (n = 30) - control chicks treated with 0.5 ml saline; CIM (n = 30) - chicks treated with cimetidine in a dose of 5 mg/kg body weight (b. w.) in-tragastrically. All chicks were stressed using a modified water-immersion stress method according to which the chicks, after 24 h

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Krejčí-Treu, Tereza, Eva Straková, Pavel Suchý, and Ivan Herzig. "Effect of Vegetable Oil Fortified Feeds on the Content of Fatty Acids in Breast and Thigh Muscles in Broiler Chickens." Acta Veterinaria Brno 79, no. 9 (2010): S21—S28. http://dx.doi.org/10.2754/avb201079s9s021.

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The main objective of this work was to compare the effect of six vegetable oils added to feeding mixtures that were administered to broiler chickens on the content of major fatty acids in chicken meat. The experiment started with 90 one-day-old Ross 308 meat hybrid male chickens that were divided into six groups. Chickens were fed complete feeding mixtures for the prefattening (BR1), fattening (BR2), and post-fattening (BR3) of broiler chickens. The BR1 feeding mixture was administered to chickens aged 1-10 days, the BR2 feeding mixture was given from Day 11 to Day 30, and the BR3 feeding mixt

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Janocha, Alina, Anna Milczarek, and Daria Pietrusiak. "Impact of Milk Thistle (Silybum marianum [L.] Gaertn.) Seeds in Broiler Chicken Diets on Rearing Results, Carcass Composition, and Meat Quality." Animals 11, no. 6 (2021): 1550. http://dx.doi.org/10.3390/ani11061550.

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The studies aimed to evaluate the impact of milk thistle seeds in broiler chicken feed rations on rearing results, carcass composition and meat quality. The experiment involved 120 broiler chickens randomly allocated to three equinumerous groups (C, MT02, MT23). Each group was divided into five subgroups of eight chickens each. Over the first 21 days of life the birds were fed starter rations, and over the following 21 days received grower rations. Chicken starter/grower diets in groups MT02 and MT23 were supplemented with ground seeds of milk thistle in the amount of 0/2% (MT02) and 2/3% (MT2

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Kiss, István. "Effect of change of natural efficiency indicators for profitability of broiler chicken fattening." Acta Agraria Debreceniensis, no. 45 (May 2, 2012): 57–61. http://dx.doi.org/10.34101/actaagrar/45/2393.

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I consider it important that the fattening of broiler producers in an economic sense to remain alive in the present difficult situation. This does not mean to me, that just does not generate a loss, but they do remain in their activities after income. Because if you do not have sufficient income in a given sector then the technology becomes obsolete over time and income deficit due to the possible improvements are still lagging behind, resulting in competitive disadvantages occur. The natural efficiency remains a priority, because fundamentally determine our competitiveness in the broiler prod

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Nikolova, N., Z. Pavlovski, N. Milosevic, and L. Peric. "The effect of different energy and proteins levels in diet on production parameters of broiler chicken from two genotypes." Biotehnologija u stocarstvu 23, no. 5-6-1 (2007): 551–57. http://dx.doi.org/10.2298/bah0701551n.

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The aim of this work is to examine the influence of various systems of diet on production parameters of broilers from two different genotypes. The examination was done in a production farm for intensive fattening of broilers in R. Macedonia. Broilers from genotype Hubbard Classic and Cobb 500, 2400 one-day chickens all together sorted out in 16 separated and marked boxes have been used as a material. In each box were put 150 chickens, which contained four different treatments (two different hybrids x two diets) and four repetitions in one turns. Starter mixture was used during I-II weeks, grow

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Babińska, Izabella, Katarzyna Kleczek, Józef Szarek, and Włodzimierz Makowski. "Modulating Effect of Propolis and Bee Pollen on Chicken Breeding Parameters and Pathomorphology of Liver And Kidneys in the Course of Natural Infection with Salmonella Enteritidis." Bulletin of the Veterinary Institute in Pulawy 56, no. 1 (2012): 3–8. http://dx.doi.org/10.2478/v10213-012-0001-9.

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Abstract The liver and kidneys of broilers fed during the first two weeks of fattening a fodder containing the addition of 0.025% propolis and/or 0.5% pollen were examined macroscopically and microscopically. Additionally, the effects of these substances on the results of breeding and on pathomorphology of the liver and kidneys in the course of natural, asymptomatic infection with Salmonella Enteritidis were determined. The results demonstrated that propolis has protective effects on the liver of broiler chickens, reducing the intensity of regressive lesions. However, regarding supplementation

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Miljkovic, B., Z. Skrbic, Z. Pavlovski, et al. "Foot-pad dermatitis in commercial broilers." Biotehnologija u stocarstvu 28, no. 4 (2012): 835–43. http://dx.doi.org/10.2298/bah1204835m.

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In the present experiment, the presence of mycological agents in chickens with skin lesions on foot pads was investigated, in order to improve the health of broiler chickens. Foot-pad dermatitis (FPD) is described in the literature as dermatitis caused by multifactor causes. The presence of irritating chemical substances in the litter, genetic predispositions of hybrids, immune suppressive diseases of chickens, as well as the composition of commercial broiler diets that influence the occurrence of wet litter, are proven factors that contribute to a more intensive incidence of foot-pad dermatit

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Bersényi, A., S. Gy Fekete, M. Szilágyi, Erzsébet Berta, L. Zöldág, and R. Glávits. "Effects of nickel supply on the fattening performance and several biochemical parameters of broiler chickens and rabbits." Acta Veterinaria Hungarica 52, no. 2 (2004): 185–97. http://dx.doi.org/10.1556/avet.52.2004.2.7.

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Broiler chicken and rabbit experiments were carried out to study the effects of nickel (Ni) supplementation on growth performance and Ni metabolism. ROSS cockerels and New Zealand White female rabbits were fed a diet containing Ni in concentrations of 0, 50 and 500 mg/kg in dry matter (DM). Dietary supplementation of 50 mg Ni/kg slightly improved the body weight gain (BWG) and had a beneficial effect on the feed conversion efficiency (FCE) in broiler chickens. However, Ni added at a level of 500 mg/kg significantly (P < 0.05) reduced the BWG by 10% and resulted in significantly (P < 0.05

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Szott, V., B. Reichelt, T. Alter, A. Friese, and U. Roesler. "In vivo efficacy of carvacrol on Campylobacter jejuni prevalence in broiler chickens during an entire fattening period." European Journal of Microbiology and Immunology 10, no. 3 (2020): 131–38. http://dx.doi.org/10.1556/1886.2020.00011.

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AbstractCarvacrol, a primary constituent of plant essential oils (EOs), and its antimicrobial activity have been the subject of many in vitro studies. Due to an increasing demand for alternative antimicrobials and an emerging number of antibiotic resistant bacteria, the use of essential oils has played a major role in many recent approaches to reduce Campylobacter colonization in poultry before slaughter age. For that purpose, the reducing effect of carvacrol on Campylobacter jejuni prevalence in broilers was determined in vivo in an experimental broiler chicken model during an entire fattenin

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Bjedov, S., D. B. Ljubojevic, N. Milosevic, V. Stanacev, M. Djukic-Stojcic, and D. Milic. "Production performance of meat type hybrids." Biotehnologija u stocarstvu 27, no. 4 (2011): 1689–96. http://dx.doi.org/10.2298/bah1104689b.

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Modern broiler production is based on exploitation of meat type hybrids which are characterized by intensive growth, excellent food efficiency, strong constitution and excellent body conformation. In Serbia, many foreign proveniences are present and therefore there is a need to define a hybrid which in existing production conditions would realize the best fattening results. Objective of the study was to determine the production results of two most present line hybrids on our market, Cobb-500 and Ross-308. The following production parameters: body mass, gain, feed consumption, feed conversion,

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Nikolova, N., Z. Pavlovski, N. Milosevic, and L. Peric. "The quantity of abdominal fat in broiler chicken of different genotypes from fifth to seventh week of age." Biotehnologija u stocarstvu 23, no. 5-6-2 (2007): 331–38. http://dx.doi.org/10.2298/bah0702331n.

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In this work quantity of abdominal fat (weight and portion) was examined in broilers of two genotypes in the fifth, sixth and seventh week of their growth. The examination was carried out in production conditions, in the facility for commercial fattening of broilers chickens, so all technical recommendations related to intensive rearing of chickens were provided. Broilers Cobb 500 and Hubbard Classic which were housed in separate boxes (8 boxes for each genotype) were used as a material. Forty male chickens and forty female chickens at the 5, 6 and 7 weeks of age were selected for slaughtering

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Karmatskikh, Yu, and N. Kostomakhin. "Input of probiotic drug Vetkor and bentonite in compound feed for chicken broilers." Kormlenie sel'skohozjajstvennyh zhivotnyh i kormoproizvodstvo (Feeding of agricultural animals and feed production), no. 3 (March 1, 2020): 3–18. http://dx.doi.org/10.33920/sel-05-2003-01.

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It is assumed that the combined effect of an effective probiotic and feed bentonites will enhance their positive effect on the growth, development, immunity of poultry, the quality of products, economic results of production. The purpose of the research was to study the effectiveness of the probiotic Vetkor and trace elements contained in bentonites in the compound feed of broiler chickens. Scientific and economic experiment has been carried out in the company “Uksyansky broiler” on broiler chickens cross “Smena-4”, which have been distributed in 3 groups on the principle of analogues. For eac

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D. Keegan, Jason, Giorgio Fusconi, Mauro Morlacchini, and Colm A. Moran. "Whole-Life or Fattening Period Only Broiler Feeding Strategies Achieve Similar Levels of Omega-3 Fatty Acid Enrichment Using the DHA-Rich Protist, Aurantiochytrium limacinum." Animals 9, no. 6 (2019): 327. http://dx.doi.org/10.3390/ani9060327.

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The fatty acid composition of broiler chicken tissues can be increased by adding omega-3 rich ingredients to their diets. The purpose of this study was to compare the levels of tissue enrichment observed following the supplementation of broilers with the docosahexaenoic acid (DHA)-rich protist, Aurantiochytrium limacinum (AURA) for their whole life (42 days) or for the final 21-day fattening period. Day-old chicks (n = 350) were distributed among 35 pens (10 birds per pen) with each pen randomly assigned to one of five treatments: Control; 0.5% AURA from day 0–42; 1% AURA from day 0–42; 0.5% A

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Chodová, D., and E. Tůmová. "Feed Restriction and Muscle Fibre Characteristics of Pectoralis Major in Broiler Chickens." Scientia Agriculturae Bohemica 48, no. 1 (2017): 8–12. http://dx.doi.org/10.1515/sab-2017-0002.

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Abstract The aim of the study was to evaluate the effect of one-week quantitative feed restriction (in days 8-14 of age) on histological characteristics of musculus pectoralis major in broiler chickens during the fattening period. Cockerels of Ross 308 (1215 chicken) were divided into 3 groups: ad libitum fed (AL; 3 × 135), restricted 80% of AL (R80; 3 × 135), and with limited feed intake 65% of AL (R65; 3 × 135). Eight cockerels per group were slaughtered in weekly intervals from day 14 of age till the end of experiment at 35 days to determine changes in the muscle fibre characteristics. The

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Leiber, F., T. Gelencsér, A. Stamer, et al. "Insect and legume-based protein sources to replace soybean cake in an organic broiler diet: Effects on growth performance and physical meat quality." Renewable Agriculture and Food Systems 32, no. 1 (2015): 21–27. http://dx.doi.org/10.1017/s1742170515000496.

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AbstractProtein sources other than soybean for the diets of poultry are needed for agricultural systems in temperate regions to help avoid some negative social and ecological impacts of large-scale soybean imports from overseas. The aim of the present study was to test the suitability of alternative protein sources in diets for slow-growing organic broiler chicken. Four experimental broiler diets were tested against a commercial feed for organic broiler chicken fattening (control), containing 255 g kg−1 soybean cake. Each experimental diet was based on the control diet, but 130 g kg−1 of soybe

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Bača, Martin, Slavomír Marcinčák, Milan Čertík, et al. "Effect of adding prefermented cereal product containing gamma-linolenic acid to broiler feed on production indicators and fatty acid profile of chicken breast." Acta Veterinaria Brno 83, no. 4 (2014): 379–84. http://dx.doi.org/10.2754/avb201483040379.

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Administration of Thamnidium elegans for effective utilization of agroindustrial materials (wheat bran) creates new perspectives for animal cereal diet enriched with fungal γ-linolenic acid (GLA). The aim of our study was to evaluate the effect of adding prefermented cereal product containing a high amount of gamma-linolenic acid into the feed on broiler chickens’ performance, fatty acids profile and oxidative stability in chilled breast meat. Seventy eight COBB 500 one-day old broiler chicks were randomly divided into 2 treatment groups with three replications and fattened for 42 days. During

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Tůmová, E., and D. Chodová. "Performance and changes in body composition of broiler chickens depending on feeding regime and sex." Czech Journal of Animal Science 63, No. 12 (2018): 518–25. http://dx.doi.org/10.17221/125/2018-cjas.

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The differences in the performance, carcass parts, and internal organs of broiler chicken females and males fed ad libitum or restricted by 80 and 65% ad libitum were evaluated. Ross 308 males and females (2430 chickens) were fed ad libitum (ADL) or were restricted in days 8–14 of age by 80% ADL (R1) and 65% ADL (R2), respectively. Feed restriction depressed the live weight (P ≤ 0.001) in both sexes. Both sexes compensated for growth, and at the end of the fattening at 35 days, the restricted males (–3% R1 and –6% R2) and females (–3% R1 and –4% R2) were not significantly lighter than the ADL

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Shkodyak, N., M. Zhyla, O. Pyatnychko, I. Avdosyeva, and V. Dmitrotsa. "INFLUENCE OF BAFASAL FEED ADDITIVE ON MORPHO-BIOCHEMICAL INDICES OF CHICKENS-BROILER’S BLOOD." Scientific and Technical Bulletin оf State Scientific Research Control Institute of Veterinary Medical Products and Fodder Additives аnd Institute of Animal Biology 21, no. 2 (2020): 213–18. http://dx.doi.org/10.36359/scivp.2020-21-2.28.

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Recently, interest in the use of bacteriophage therapy in poultry has arisen in the context of the growing problem of antibiotic-resistant microorganisms, as the need to find alternative antibacterial agents is urgent. In addition, EU legislation prohibits the use of antibiotics in feed to stimulate the growth of animals and poultry. Bafasal – a new and innovative agent based on natural components of the ecosystem, has a high specificity to Salmonella serovars, in particular, S. enteritidis, S. typhimurium, S. mbandaka, S. gallinarum, S. іnfantis, which are most often diagnosed in poultry farm

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Vukic-Vranjes, M., N. Tolimir, Dj Vukmirovic, et al. "Effect of phytogenic additives on performance, morphology and caecal microflora of broiler chickens." Biotehnologija u stocarstvu 29, no. 2 (2013): 311–19. http://dx.doi.org/10.2298/bah1302311v.

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The objective of the research is to investigate effects of phytogenic additives as broiler feed supplements on production and slaughtering performances, morphological parameters and caecal microflora of fattening chickens of Ross 308 provenance. The research was based on two trials. In both trials, two feeding treatments were studied: a control diet with no supplemental feed additives (K) and a diet with a phytogenic additive supplemented to the control diet (1000g/t of Biomin PEP 1000, during the whole period). In the first trial, a total of 304 chickens were studied, in two treatments with f

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Krička, Tatjana, Nikola Bilandžija, Zlatko Janječić, et al. "Nutritivna iskoristivost staroga crnog kruha u hranidbi pilića." Poljoprivreda 26, no. 1 (2020): 48–55. http://dx.doi.org/10.18047/poljo.26.1.7.

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The most important aspect of broiler production is feeding, whose costs represent about 70% of total costs. Thus, the growth of poultry production has been based on a strong consumer demand for products that are cheap, safe, and healthy. That kind of product is old bread, whose return from the store represent a problem for its remediation. For the use of the old bread as a feed, the European Union has promulgated a series of regulations and directives, which order a ban on its utilization without prior treatment. The most common treatments are pelleting and extrusion. In poultry, the upper lim

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Haščík, Peter, Adriana Pavelková, Jana Tkáčová, et al. "The amino acid profile after addition of humic acids and phytobiotics into diet of broiler chicken." Potravinarstvo Slovak Journal of Food Sciences 13, no. 1 (2019): 884–90. http://dx.doi.org/10.5219/1237.

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The aim of the study was analysed the effect of humic acids separately and humic acids in combination with phytobiotic as garlic and oregano powder on amino acid (AA) profile of the most valuable parts of Ross 308 chicken. A total of 200 pcs Ross 308 broiler chickens of mixed sex were randomly divided into 4 groups (n=50): control group (C) without supplementation, experiment group E1 (2% humic acids), E2 (80% humic acids and 20% garlic powder) and E3 (90% humic acids and 10% oregano powder). Fattening period lasted for 42 days and all groups were kept under the same conditions. After slaughte

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Suchy, P., E. Strakova, and I. Herzig. "Levels of fatty acids in the whole body of hens and cocks of the Cobb 500 and Ross 308 hybrid combinations at the end of the fattening period." Veterinární Medicína 61, No. 8 (2017): 456–63. http://dx.doi.org/10.17221/28/2016-vetmed.

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In this study, we determined the levels of individual fatty acids in the whole chicken body, as well as dry matter, nitrogenic substances and fat in Cobb 500 and Ross 308 chickens after 40 days of fattening. The highest level of all fatty acids (FA), regardless of the hybrid combination and sex of the chickens, was determined for oleic/elaidic acid, followed by palmitic, linoleic/linolelaidic, palmitoleic and stearic acids. In Cobb 500 cocks, higher values (P ≤ 0.05; P ≤ 0.01) were found for all saturated fatty acids (SaFA) compared to hens. With the exception of γ-linoleic acid, the levels of

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Kowalczuk-Vasilev, Edyta, Eugeniusz R. Grela, Wioleta Samolińska, et al. "Blood metabolic profile of broiler chickens fed diets with different types and levels of inulin." Medycyna Weterynaryjna 73, no. 12 (2017): 774–80. http://dx.doi.org/10.21521/mw.5821.

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The study was performed to evaluate the effect of a dietary level of two types of inulin differing in the degree of polymerization (DP), supplemented at different levels, on selected metabolic and immunological parameters of broiler chicken blood. Two hundred and forty 1-day-old broiler chickens were fed a diet without inulin addition (control group, C) or with standard inulin from chicory root with DP ≥ 10 (SI) or long-chain inulin (LCI) of DP ≥ 23 (Inulin Orafti®GR or Inulin Orafti®HPX, respectively; Orafti Beneo GmbH, Mannheim, Germany) at a level of 0.2%, 0.4%, or 0.6%. Therefore, 7 dietar

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Laube, H., A. Friese, C. von Salviati, et al. "Longitudinal Monitoring of Extended-Spectrum-Beta-Lactamase/AmpC-Producing Escherichia coli at German Broiler Chicken Fattening Farms." Applied and Environmental Microbiology 79, no. 16 (2013): 4815–20. http://dx.doi.org/10.1128/aem.00856-13.

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Tokic, Vesna, Miodrag Lazarevic, Zlatan Sinovec, Milan Baltic, and Zivan Jokic. "The influence of different feed additives in broiler diets on productivity and meat yield." Veterinarski glasnik 61, no. 5-6 (2007): 261–78. http://dx.doi.org/10.2298/vetgl0706261t.

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The objective of these investigations was to examine the influence of prebiotics based on mannan-oligosaccharides and polysaccharide complexes of micro elements (Fe, Cu, Zn, Mn) on production results and abattoir parameters for broilers of the hybrid Arbor Acres. The experiment was performed on 186 chicken divided into three equal groups, it lasted 42 days and was divided into 3 phases. The first phase lasted 21 days, the second 14, and the third seven days. The complete mix for initial fattening of broilers was used from days 1-21, and complete fodder mixes for closing fattening from days 21-

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Zhyla, M. I., G. M. Mykhalus, O. A. Maksymovych, O. V. Lapin, O. V. Mykhalyuk, and A. R. Haziiev. "INFLUENCE OF ARSIL FEED ADDITIVE ON HEMATOLOGICAL INDICES, PRODUCTIVITY AND STRUCTURE OF INTERNAL ORGANS BROILER CHICKENS." Scientific and Technical Bulletin оf State Scientific Research Control Institute of Veterinary Medical Products and Fodder Additives аnd Institute of Animal Biology 21, no. 1 (2020): 65–72. http://dx.doi.org/10.36359/scivp.2020-21-1.07.

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Poultry farming using modern technologies requires the employment of veterinary preparation for the prevention of infectious diseases and also feed additives for the improvement of metabolic functions and correction of body resistance. The article presents the results of clinical trials of feed additives in the form of an ionic solution concentrate of the biologically active nanosilicon "Arsil". The clinical study was performed on healthy ten-day-old broiler chicken, cross "Cobb-500", organized into three groups of 20 heads each: Group I received a feed additive at a dose of 0.5 ml per 1

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Sokołowicz, Zofia, Józefa Krawczyk, and Sylwester Świątkiewicz. "4. Quality of Poultry Meat from Native Chicken Breeds – A Review." Annals of Animal Science 16, no. 2 (2016): 347–68. http://dx.doi.org/10.1515/aoas-2016-0004.

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Abstract The objective of the paper was to demonstrate the possibilities of using Polish native breeds of chickens for the production of meat for its specific quality features in the light of worldwide researches. The object of the analysis was the quality of meat from slow-growing chickens raised in varied housing systems, including capons and poulards. The findings of studies on the quality of poultry meat from native breeds obtained from post-production cockerels and from hens in their post egg-laying stage have shown that there are chances for their use in meat production. Native breed hen

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Straková, Eva, Pavel Suchý, Ivan Herzig, Ladislav Steinhauser, Vlasta Šerman, and Nora Mas. "Amino Acid Profile of Protein from Pelvic Limb Long Bones of Broiler Chickens." Acta Veterinaria Brno 78, no. 4 (2009): 571–77. http://dx.doi.org/10.2754/avb200978040571.

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The objective of the study was to determine the amino acid profile in protein from long bones of the pelvic limb (femur, tibiotarsus) in ROSS 308 hybrid broiler chickens, and to examine whether it is sex-dependent.The study material was obtained from 120 Ross 308 broiler chickens (60 males and 60 females) at the end of the fattening (40 days of age). The average weight of birds was 2 694 ± 32.6 g for cockerels and 2 345 ± 23.9 g for pullets. The study birds did not show any clinical signs of leg diseases. The long bones of the right pelvic limbs (femur and tibiotarsus) were collected after bir

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Mária Holcvart. "Some Variable Traits of Broiler Genotypes." Acta Agraria Debreceniensis, no. 50 (December 16, 2012): 25–30. http://dx.doi.org/10.34101/actaagrar/50/2560.

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One the most effective ways to satisfy the requirements of mankind for food of animal origin is the fattening of chicken. Healthy and cheap meat with low fat and high protein content can be produced rapidly and in large quantities by broilers with low feed consumption. This paper presents the production results and carcass traits of three genotypes (Ross 308, Cobb 500, Ross broiler parent) females and males at the age of 42 days.In both sexes, we found that the average body weight of the Ross parents genotype was higher (females: 2643 g; males: 3089 g) than theaverage body weight of the other

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