Relevant bibliographies by topics / Eggshells Quality

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Eggshells Quality'

Author: Grafiati
Published: 4 June 2021
Last updated: 19 February 2022

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Journal articles on the topic "Eggshells Quality"

1

Radwan, Lamiaa M. "Eggshell quality: a comparison between Fayoumi, Gimieizah and Brown Hy-Line strains for mechanical properties and ultrastructure of their eggshells." Animal Production Science 56, no. 5 (2016): 908. http://dx.doi.org/10.1071/an14755.

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This experiment was designed to study the relationship between mechanical properties and ultrastructure of three genetic groups (Fayoumi, Gimieizah and Brown Hy-Line strains). To assess eggshell mechanical parameters a total of 120 eggs from each strain was used. This study suggested predicting the mechanical properties and ultrastructure of eggshells when egg weight was equal for the three strains (39.8 g). There was a significant difference among strains for shell thickness, eggshell breaking strength and stiffness, with the Fayoumi eggshells recording the highest values compared with other
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Ketta, Mohamed, Eva Tůmová, Michaela Englmaierová, and Darina Chodová. "Combined Effect of Genotype, Housing System, and Calcium on Performance and Eggshell Quality of Laying Hens." Animals 10, no. 11 (November 16, 2020): 2120. http://dx.doi.org/10.3390/ani10112120.

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The objective of this study was to evaluate hen performance and eggshell quality response to genotype, housing system, and feed calcium (Ca) level. For this purpose, an experiment was conducted on 360 laying hens of ISA Brown, Bovans Brown (commercial hybrids), and Moravia BSL (traditional Czech hybrid). Laying hens were kept in enriched cages and on littered floor and fed similar feed mixtures with different Ca content (3.00% vs. 3.50%). In terms of hen performance, ISA Brown had the highest egg production (84.2%) compared to Moravia BSL (74.3%) and Bovans Brown (71.4%). Regarding eggshell qu
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Lichovníková, M., and L. Zeman. "Effect of housing system on the calcium requirement of laying hens and on eggshell quality." Czech Journal of Animal Science 53, No. 4 (April 4, 2008): 162–68. http://dx.doi.org/10.17221/375-cjas.

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The effects of housing systems on the calcium requirement for eggshell production, eggshell quality and on the breaking strength of the hen’s tibia were evaluated. Unenriched cages (UN) (24 laying hens), enriched cages (EN) (16 laying hens) and floor system (FS) (24 laying hens) were used in this experiment. The eggshell production of laying hens from 19 to 66 weeks of age was higher (<I>P</I> < 0.01) in the cage systems (UN 39.6 g/hen/week and EN 39.2 g/hen/week) than it was in FS (35.0 g/hen/week). Consequently, the amount of calcium deposited in the eggshells (g/hen/week) was
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Oviasogie, Efosa F., Blessing I. Ogboghodo, A. Beshiru, Osahon B. Omoregie, Providence Ogofure, and Goodness A. Ogofure. "The microbial burden load of eggshells from different poultry rearing systems in Ekosodin Village, Edo State, Nigeria." Journal of Applied Sciences and Environmental Management 20, no. 2 (July 25, 2016): 227–31. http://dx.doi.org/10.4314/jasem.v20i2.1.

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Eggs are valuable source of food used throughout the world to feed the ever growing world population. Majority of freshly laid eggs are sterile, however, the shells soon become contaminated with litter droppings and dust present in the environment. In this study, the microbial load of egg shell from different poultry system in Ekosodin, Edo State was evaluated. The results obtained from the study revealed that eggshell samples from different poultry rearing systems (battery cage, deep litter and free-range chicken eggs) were contaminated with bacterial and fungal species of public health conce
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Umbraško, Inta, Aleksandrs Petjukevičs, Anna Batjuka, and Nadežda Harlamova. "EVALUATION OF CALCIUM CARBONATE CONTENT IN EGGSHELLS OF AVIAN, TURTLE, SNAIL, AND OSTRICH USING CHEMICAL ANALYSIS AND SCANNING ELECTRON MICROSCOPY." ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 16, 2021): 244–49. http://dx.doi.org/10.17770/etr2021vol1.6652.

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In the present study, different eggs were collected and analyzed from five various animal species: European pond turtle (Emys orbicularis (Linnaeus, 1758)), giant African land snail (Achatina fulica (Bowdich, 1822)), common ostrich (Struthio camelus (Linnaeus, 1758)), white, light-brown, and dark-brown laying hen (Gallus gallus domesticus (Linnaeus, 1758) and European quail (Coturnix coturnix (Linnaeus, 1758). The typical mineral shell mainly composed of the calcite polymorph of CaCO3 but the eggshell consists of membranes, that composed mainly of proteins. The shell quality also could be assi
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Tomczyk, Łukasz, Łukasz Stępień, Monika Urbaniak, Tomasz Szablewski, Renata Cegielska-Radziejewska, and Kinga Stuper-Szablewska. "Characterisation of the Mycobiota on the Shell Surface of Table Eggs Acquired from Different Egg-Laying Hen Breeding Systems." Toxins 10, no. 7 (July 16, 2018): 293. http://dx.doi.org/10.3390/toxins10070293.

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Microbial safety is an important factor contributing to the egg quality. During egg acquisition, there is significant risk of contamination of the eggshell surface with microscopic fungi. Mycelial hyphae may grow on the eggshell surface and penetrate into the egg content. However, there is no information on the populations of microscopic fungi on the eggshell surface and, consequently, on possible production of mycotoxins. Therefore, the aim of the study was to identify the species of microscopic fungi present on the eggshell surface acquired from different breeding systems and to measure the
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Sanuriza, Irna Il, and Dwi Kartika Risfianty. "Limbah Cangkang Telur Ayam Ras (Gallus Domesticus) Sebagai Bahan Pupuk Untuk Memperbaiki Sifat Kimia Tanah." Hydrogen: Jurnal Kependidikan Kimia 8, no. 2 (December 11, 2020): 67. http://dx.doi.org/10.33394/hjkk.v8i2.2928.

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Degradation of soil quality caused by the use of chemical fertilizers is a serious problem in agriculture. The use of environmentally friendly fertilizers is an important step to increase soil quality. One of them is by utilizing chicken eggshell waste as organic fertilizer. This study aims to utilize chicken eggshells with the right dose to improve soil quality. This research is a quantitative study using a completely randomized design. The results showed that the eggshell waste had the potential as an organic fertilizer to improve soil chemistry. Application of 6.25 gram egg shell/planting-h
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Hu, Xiaoqing, Xiaoying Sun, Shuanghua Luo, Shuyan Wu, Zhaojuan Chu, Xiujuan Zhang, Zhaojun Liu, et al. "Inactivation of Salmonella enterica Serovar Enteritidis on Chicken Eggshells Using Blue Light." Agriculture 11, no. 8 (August 10, 2021): 762. http://dx.doi.org/10.3390/agriculture11080762.

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Salmonella enterica serovar Enteritidis (S. Enteritidis) is a pathogen that poses a health risk. Blue light (BL), an emerging sanitization technology, was employed for the first time in the present study to inactivate S. Enteritidis on eggshell surfaces and its influence on maintaining eggshell freshness was investigated systematically. The results showed that 415 nm-BL irradiation at a dose of 360 J/cm2 reduced 5.19 log CFU/mL of S. Enteritidis in vitro. The test on eggshells inoculated with S. Enteritidis showed that a BL dose at 54.6 J/cm2 caused a 3.73 log CFU reduction per eggshell surfac
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Castro, Luciene da Silva, Audrei Giménez Barañano, Christiano Jorge Gomes Pinheiro, Luciano Menini, and Patrícia Fontes Pinheiro. "Biodiesel production from cotton oil using heterogeneous CaO catalysts from eggshells prepared at different calcination temperatures." Green Processing and Synthesis 8, no. 1 (January 28, 2019): 235–44. http://dx.doi.org/10.1515/gps-2018-0076.

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Abstract Biodiesel is a fuel from vegetable oil or animal fat, and is a promising substitute for petroleum-derived diesel. Transesterification is the most widely used method in biodiesel production. Eggshell is rich in calcium carbonate (CaCO3), and when it is subjected to heat treatment it results in calcium oxide (CaO). CaO from eggshells was prepared at different calcination temperatures, and characterized by X-ray diffraction, thermogravimetric analysis (TGA) and scanning electron microscopy (SEM). The obtained CaO was used as a catalyst. All catalysts showed good stability and excellent m
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Clímaco, Winnie Luiza dos Santos, Érica de Faria Melo, Diego Pereira Vaz, Mariana Masseo Saldanha, Maria Fernanda Vieira da Silva Pinto, Letícia Carolina Cleto Fernandes, Nelson Carneiro Baião, et al. "Eggshell microbiology and quality of hatching eggs subjected to different sanitizing procedures." Pesquisa Agropecuária Brasileira 53, no. 10 (October 2018): 1177–83. http://dx.doi.org/10.1590/s0100-204x2018001000011.

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Abstract: The objective of this work was to evaluate the effect of different disinfection procedures as alternatives to formaldehyde fumigation on eggshell microbial load and quality of eggs from a 42-week-old Cobb commercial breeder flock. A total of 10,080 clean eggs collected from the nests were randomly distributed in a randomized complete block design, among the following treatment groups: 13.33 g m-3 formaldehyde fumigation, 5-10 ppm ozone fumigation, 6.36 mW cm-2 UV-C light irradiation, spraying with 1.56% hydrogen peroxide, spraying with 0.13% peracetic acid, spraying with water (wet c
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Dissertations / Theses on the topic "Eggshells Quality"

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Saki, Ali Asghar. "Effects of dietary calcium, phytoestrogen rich diets and estrogen on intestinal calcium transport proteins, egg and eggshell quality in maturing layer hens." Title page, contents and summary only, 1998. http://web4.library.adelaide.edu.au/theses/09ANP/09anps158.pdf.

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Thesis (Ph. D.)--University of Adelaide, Dept. of Animal Science, 1998.<br>Corrigenda inserted behind title page. Copies of author's previously published articles inserted. Includes bibliographical references (leaves 193-210).
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Darnell-Middleton, Sally Louise. "The relationship between eggshell quality and bone biology in the laying hen." Thesis, University of Glasgow, 1999. http://theses.gla.ac.uk/30935/.

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(1). In this thesis the relationship between eggshell quality and bone biology was examined over the laying life of two strains of hen; a highly selected commercial line and the relatively unselected J.Line. (2). The efficiency of using osteocalcin as a marker of osteoid formation, in collaboration with established markers of bone mineralisation and bone resorption, during eggshell calcification was ratified. (3). It was established that magnesium is actively removed from bone hydroxyapatite during resorption and transported to the shell gland pouch for incorporation into the palisade layer of
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Chowdhury, Shankar R. "Effects of dietary 1,4-diaminobutane (putrescine) on eggshell quality and performance of laying hens." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ61883.pdf.

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Nolan, Lauren Wood. "EVALUATION OF CURRENT AND EMERGING TECHNIQUES FOR MEASURING EGGSHELL INTEGRITY OF THE DOMESTIC FOWL." UKnowledge, 2019. https://uknowledge.uky.edu/animalsci_etds/108.

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This dissertation is an investigation into the effect of different zinc sources and levels on eggshell quality and microstructure, as well as keel bone damage. Eggshell function is two-fold; eggshells function to protect the developing embryo, as well as act as a barrier against bacterial penetration, optimizing food safety of the egg for human consumption (Mabe et. Al., 2003). Two small trials were conducted in order to determine differences in eggshell microstructure of eggs produced from hens at peak lay (26 weeks of age) and at the end of lay (88 weeks of age). Two groups of hens were fed
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Chowdhury, Sachchidananda Das. "Effects of feeding osteolathyrogens to laying fowls (Gallus domesticus) with particular reference to eggshell and membrane quality." Thesis, Imperial College London, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340864.

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Vilela, Daniela Reis. "Qualidade interna e externa de ovos de poedeiras comerciais com casca normal e vítrea." Universidade Federal de Uberlândia, 2012. https://repositorio.ufu.br/handle/123456789/13046.

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The objective was to evaluate the internal and external quality of hens eggs, classified in eggs with normal eggshell and eggs with vitreous eggshell, produced by hens in three different ages. Forty-five eggs of each eggshell type, normal and vitreous, were sampled at age of 30, 50 and 70 weeks. After the execution of physical and chemical analysis, it was observed that specific gravity, for both eggs with normal eggshell and eggs with vitreous eggshell, had a decrease with the advancing age of the hen. The weight of the egg, in both types of eggshell increased with the advancing age of the he
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Souza, Yara Lúcia Silva. "Utilização da alga Lithothamnium calcareum para poedeiras de linhagens leves." Universidade Federal de Uberlândia, 2012. https://repositorio.ufu.br/handle/123456789/13056.

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This study was performed with the objective of assessing the effects of direct inclusion of 0%, 1%, 1.5% and 2% of the alga Lithothamnium calcareum in the diet, the age hen and interaction between these variables on the production and egg shell quality of laying hens in the second cycle. A completely randomized design was used with subdivided portions (inclusion level: 0%, 1%, 1.5% and 2% x age: 112, 114, 116 and 118 weeks of age) with 6 replications, 10 hens per experimental unit. Each replications of the experiment involved use of 10 Dekalb White hens lines with an age of 110 weeks, four egg
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Hughes, R. J. (Robert J. ). "Influence of dietary electrolytes on blood acid-base balance in relation to formation of egg shells in the domestic hen." 1989. http://web4.library.adelaide.edu.au/theses/09A/09ah894.pdf.

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Onwubu, Stanley Chibuzor. "Using eggshell for the development of a quality alternative material to pumice in reducing the surface roughness of heat-cured acrylic resins." Thesis, 2016. http://hdl.handle.net/10321/1526.

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Submitted in fulfillment of requirements of the degree of Master in Health Sciences: Dental Technology, Durban University of Technology, Durban, South Africa, 2016.<br>Pumice is used in the polishing of dental appliances to remove surface irregularities. It is usually used in a slurry form that is pumice powder mixed with water. In Nigeria, the increased cost of pumice as a result of its limited supply into the country has encouraged dental technicians to re-use pumice slurry for longer periods than advocated when polishing acrylic dentures, whether new or old dentures which have been worn i
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Yungrahang, Sukanya, and 蘇家莉. "Influences of Shell Color, Genetic Background and Hen Age on Eggshell Quality Traits of Chicken Eggs." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/02722187552470366094.

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碩士<br>中興大學<br>動物科學系<br>95<br>Influences of Shell Color, Genetic Background and Hen Age on Eggshell Quality Traits of Chicken Eggs Sukanya Yungrahang Abstract The purpose of this study was to realize the influences of eggshell color, genetic background and hen age on eggshell quality traits. The egg traits studied were egg weight, shape index, shell weight (%), yolk weight (%), albumen weight (%), Haugh unit, shell membrane thickness, shell color measured by L a b color system and force-deformation curve measured by Instron testing machine. The eggs used in the first experiment were laid b
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Books on the topic "Eggshells Quality"

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Solomon, Sally E. Egg and eggshell quality. London: Wolfe Pub., 1991.

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Solomon, Sally E. Egg and Eggshell Quality. Iowa State Press, 1997.

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G.H. Tan, Y.Y. Zhang*, J.Z. Li, L. Wu, and Y.Y. Qin. Association of three novel SNPs in the ATF4 gene with layer duck eggshell quality. Verlag Eugen Ulmer, 2020. http://dx.doi.org/10.1399/eps.2020.292.

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Book chapters on the topic "Eggshells Quality"

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BOORMAN, K. N., J. G. VOLYNCHOOK, and C. G. BELYAVIN. "EGGSHELL FORMATION AND QUALITY." In Recent Advances in Animal Nutrition, 181–95. Elsevier, 1985. http://dx.doi.org/10.1016/b978-0-407-01161-8.50014-8.

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BOORMAN, K. N., J. G. VOLYNCHOOK, and C. G. BELYAVIN. "EGGSHELL FORMATION AND QUALITY." In Recent Developments in Poultry Nutrition, 261–75. Elsevier, 1989. http://dx.doi.org/10.1016/b978-0-407-01513-5.50021-4.

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Hincke, M., J. Gautron, A. B. Rodriguez-Navarro, and M. D. McKee. "The eggshell: structure and protective function." In Improving the Safety and Quality of Eggs and Egg Products, 151–82. Elsevier, 2011. http://dx.doi.org/10.1533/9780857093912.2.151.

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Conference papers on the topic "Eggshells Quality"

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Jenshinn Lin, Y. Lin, M. Hsieh, and C. Yang. "An Automatic System for Eggshell Quality Monitoring." In 2001 Sacramento, CA July 29-August 1,2001. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2001. http://dx.doi.org/10.13031/2013.7472.

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Rakonjac, Simeon, Snežana Bogosavljevic-Boškovic, Vladimir Doskovic, Miloš Lukic, Zdneka Škrbic, Veselin Petricevic, and Milun D. Petrovic. "KVALITET JAJA ORGANSKIH KOKOŠI NOSILJA U RAZLIČITIM FAZAMA PROIZVODNOG CIKLUSA." In XXVI savetovanje o biotehnologiji sa međunarodnim učešćem. University of Kragujevac, Faculty of Agronomy, 2021. http://dx.doi.org/10.46793/sbt26.245r.

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The aim of this study was to determine the eggs and eggshell quality of organic laying hens at different stages of the one-year production cycle. Based on the results of these studies, it can be concluded that the organic eggs of 24-week-old Isa Brown layers had lower weight and a higher shape index than the eggs of 48- and 72-week-old hens. On the other hand, the eggs of 24- and 48-week-old laying hens had a higher albumen height and Haugh units, and less colored yolks compared to the eggs of 72-week-old hens. In terms of eggshell quality, 24-week-old hen eggs had a higher proportion, thickne
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