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Journal articles on the topic 'Female sheep'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Suwarta, F. X. "Analisis Pemasaran Domba dari Tingkat Peternak Sampai Penjual Sate di Kabupaten Sleman." Sains Peternakan 7, no. 1 (2016): 25. http://dx.doi.org/10.20961/sainspet.7.1.25-29.

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<p><em>This aim of this research was to study marketing chain of sheeps from farmer, trader and satay seller and to study cost of marketing at each of instituted marketing and the revenue of farmer, trader and satay seller in Sleman regency, Yogyakarta. The research was conducted using a survey method. The respondents from sheep farmer, sheep trader and satay seller were 107, 37 and 64, respectively. Data were analyzed descriptively. The cost efficiency of marketing system was analyzed for marketing cost, margin, farmer’s share, market competition and profitability. The result show

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2

Suwarta, F. X. "Analisis Pemasaran Domba dari Tingkat Peternak Sampai Penjual Sate di Kabupaten Sleman." Sains Peternakan 7, no. 1 (2016): 25. http://dx.doi.org/10.20961/sainspet.v7i1.1012.

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<p><em>This aim of this research was to study marketing chain of sheeps from farmer, trader and satay seller and to study cost of marketing at each of instituted marketing and the revenue of farmer, trader and satay seller in Sleman regency, Yogyakarta. The research was conducted using a survey method. The respondents from sheep farmer, sheep trader and satay seller were 107, 37 and 64, respectively. Data were analyzed descriptively. The cost efficiency of marketing system was analyzed for marketing cost, margin, farmer’s share, market competition and profitability. The result show

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3

OGDEN, N. H., A. N. J. CASEY, N. P. FRENCH, J. D. W. ADAMS, and Z. WOLDEHIWET. "Field evidence for density-dependent facilitation amongst Ixodes ricinus ticks feeding on sheep." Parasitology 124, no. 2 (2002): 117–25. http://dx.doi.org/10.1017/s0031182001001081.

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Engorged Ixodes ricinus nymphs collected from sheep resident in an upland UK field site were significantly lighter than nymphs that engorged on previously tick-naïve sheep, indicating that site-resident sheep continually exposed to ticks acquired anti-tick resistance. The weights of engorged nymphs that fed on naturally tick-resistant sheep increased significantly, however, when increasingly high numbers of adult female ticks fed on the sheep during seasonal peaks of tick activity. This relationship was unaffected by variations in nymph weight amongst individual sheep, between seasons and year

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4

Walker, Andrew B. D., Katherine L. Parker, and Michael P. Gillingham. "Behaviour, habitat associations, and intrasexual differences of female Stone’s sheep." Canadian Journal of Zoology 84, no. 8 (2006): 1187–201. http://dx.doi.org/10.1139/z06-109.

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Stone’s sheep ( Ovis dalli stonei Allen, 1897) in northern British Columbia segregate sexually during most of the year, and intrasexually between maternal and nonmaternal females during spring and early summer. Our objective was to quantify intrasexual habitat use of female Stone’s sheep relative to maternal status using measures of behaviour and habitat use. We reviewed three hypotheses of intersexual segregation (predation-risk, forage-selection, and activity-budget hypotheses) to determine if they also explained intrasexual segregation of female Stone’s sheep. Female Stone’s sheep spent the

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5

Goodson, Nike J., and David R. Stevens. "Cooperative Defense by Female Bighorn Sheep." Northwestern Naturalist 75, no. 2 (1994): 76. http://dx.doi.org/10.2307/3536769.

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6

Bennett, Beth. "Social dominance in female bighorn sheep." Zoo Biology 5, no. 1 (1986): 21–26. http://dx.doi.org/10.1002/zoo.1430050104.

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7

Poddighe, Simone, Teun Dekker, Antonio Scala, and Anna Maria Angioy. "Olfaction in the female sheep botfly." Naturwissenschaften 97, no. 9 (2010): 827–35. http://dx.doi.org/10.1007/s00114-010-0700-0.

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8

Canny, BJ, KA O'Farrell, IJ Clarke, and AJ Tilbrook. "The influence of sex and gonadectomy on the hypothalamo-pituitary-adrenal axis of the sheep." Journal of Endocrinology 162, no. 2 (1999): 215–25. http://dx.doi.org/10.1677/joe.0.1620215.

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There is a sex difference in the hypothalamo-pituitary-adrenal (HPA) axis of many species, although there are sparse data on the sheep. In the present study we have compared the HPA axes of intact and gonadectomised adult male and female sheep at the level of the median eminence, pituitary and adrenal glands using a variety of in vitro approaches. The concentration of arginine vasopressin (AVP) was higher (P<0.01) in the median eminence of male than female sheep, and was also elevated by gonadectomy of either sex (P<0.01). The concentration of corticotrophin-releasing factor (CRF) in the

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9

Preston, B. T., I. R. Stevenson, J. M. Pemberton, D. W. Coltman, and K. Wilson. "Male mate choice influences female promiscuity in Soay sheep." Proceedings of the Royal Society B: Biological Sciences 272, no. 1561 (2005): 365–73. http://dx.doi.org/10.1098/rspb.2004.2977.

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In most animal species, males are predicted to compete for reproductive opportunities, while females are expected to choose between potential mates. However, when males' rate of reproduction is constrained, or females vary widely in ‘quality’, male mate choice is also predicted to occur. Such conditions exist in the promiscuous mating system of feral Soay sheep on St Kilda, Scotland, where a highly synchronized mating season, intense sperm competition and limitations on sperm production constrain males' potential reproductive rate, and females vary substantially in their ability to produce suc

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A. R. Jatnika and D. Tanggasari. "Bone Distribution in Commercial Cuts of Local Sheep Carcasses Given Indigofera Flour with Different Rearing System." Jurnal Ilmu Produksi dan Teknologi Hasil Peternakan 12, no. 1 (2024): 21–25. http://dx.doi.org/10.29244/jipthp.12.1.21-25.

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This study aims to evaluate bone distribution in commercial cuts of local sheep carcasses fed indigofera flour, taking into account differences in rearing systems. This study used 20 local female sheep aged 1 year with an average initial weight of around 18.3 ± 2.01 kilograms. These sheep were reared for 4 months with two types of rearing systems, namely intensive and semi-intensive. Indigofera flour and commercial concentrate were given at 07.00 in the morning, and at 11.00 grass were given in a ratio of 40:60%. This research used four different treatments, namely five sheeps that were reared

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Sholeh, Badrus, Gatot Ciptadi, Khonita Rahma Diani, and Mudawamah Mudawamah. "The Correlation between Vital Statistics and Body Weight of Fat-Tailed Sheep at Different Ages in Gucialit Village, Lumajang Regency." Buletin Peternakan Tropis 6, no. 1 (2025): 81–91. https://doi.org/10.31186/bpt.6.1.81-91.

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This study aims to determine the correlation between vital statistics and body weight of fat-tailed sheep in Gucialit Village, Gucialit District, Lumajang Regency. This study used 72 fat-tailed sheep consisting of 36 male sheep and 36 female sheep. The sheep were grouped by sex and age into 6 groups, namely male sheep aged <12 months (PI0a), female sheep aged <12 months (PI0b), male sheep aged >12-18 months (PI1a), female sheep aged >12-18 months (PI1b), male sheep aged >18 months (PI2a) and female sheep aged >18 months (PI2b). The results showed that there was a positive cor

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12

Widiarto, Wisnu, Rini Widiati, and I. Gede Suparta Budisatria. "Pengaruh Berat Potong dan Harga Pembelian Domba dan Kambing Betina terhadap Gross Margin Jagal di Rumah Potong Hewan Mentik, Kresen, Bantul (The Effects of Slaughter Weight and Purchase Price of Female Sheep and Goats on the Butcher’s Gross Margin at Ment." Buletin Peternakan 33, no. 2 (2012): 119. http://dx.doi.org/10.21059/buletinpeternak.v33i2.125.

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<p>This study was aimed to determine the effect of slaughter weight and purchasing price of female sheep and goats on the butcher’s gross margins at the slaughterhouse of Mentik, Kresen, Bantul. The study was conducted to determine<br />the production activities of butchers. Sixty heads of local female sheep and goats respectively, were used as samples. The animals were divided into two groups, based on its body weight, namely 10 to 14.99 kg (BP1) and 15 to 20 kg<br />(BP2) of body weight. The data consisted of purchasing price, slaughter weight, variable cost, dressing and n

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Rahman, Md Azizar, Md Shahidul Islam, Anika Jerin Shanta, Khaled Mahmud Sujan, and Md Kamrul Islam. "Evaluation of serum electrolyte concentrations in Garole sheep of Sundarban region." Research in Agriculture Livestock and Fisheries 5, no. 3 (2018): 351–58. http://dx.doi.org/10.3329/ralf.v5i3.39579.

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Garole sheep is very popular for its biannual lambing and disease resistance characters. To evaluate some selected serum electrolytes (Na, K and P) ions in apparently healthy Garole sheep at Sundarban region under Shyamnagar Upazila of Satkhira district, blood samples were collected from 20 Garole sheep (8 males and 12 females) of aged about 6-48 months containing male lambs, rams, female lambs, pregnant ewes and lactating ewes according to the age, sex and physiologic status. Serum was separated and used for biochemical analysis for the measurement of target serum electrolytes. The results of

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NTAFIS (Β. ΝΤΑΦΗΣ), V., E. XYLOURI (Ε.Μ. ΞΥΛΟΥΡΗ), A. DIAKOU (Α. ΔΙΑΚΟΥ), et al. "Serological survey of antibodies against Toxoplasma gondii in organic sheep and goat farms in Greece." Journal of the Hellenic Veterinary Medical Society 58, no. 1 (2017): 22. http://dx.doi.org/10.12681/jhvms.14972.

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Toxoplasmosis is a parasitic infection with global distribution caused by the protozoon Toxoplasma gondii. The present study is divided into the preliminary and the basic research. In the preliminary research, 413 serum samples (184 sheep and 229 goats) from organic farms of Péloponnèse and Western Sterea Hellas were tested for IgG antibodies against Τ gondii, by using enzyme-linked immunosorbent assay (ELISA). Blood sampling took place during spring of 2005 and samples were taken from male animals and female that had aborted during the reproductive period of 2004-2005. Significant prevalence

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15

Braun, Ueli, Ursula Schefer, and David Gerber. "Ultrasonography of the urinary tract of female sheep." American Journal of Veterinary Research 53, no. 10 (1992): 1734–39. http://dx.doi.org/10.2460/ajvr.1992.53.10.1734.

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SUMMARY We determined the position, dimensions, and structure of the kidneys, ureters, bladder, and urethra of 62 female sheep by use of ultrasonography. A 5.0-MHz convex transducer was placed over the right flank to examine the kidneys, and a 5.0 MHz-linear transducer was used to examine the bladder and urethra transrectally. All examinations were performed on sheep in standing position. The left kidney was 7.1 to 8.9 cm long, 3.4 to 5.5 cm wide, and 3.3 to 4.7 cm deep. Diameter of the parenchyma and renal sinus of the left kidney ranged between 1.1 and 1.9 cm and 1.1 and 2.0 cm, respectively

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16

King, Andrew J., N. Bari Olivier, P. S. Mohankumar, James S. Lee, Vasantha Padmanabhan, and Gregory D. Fink. "Hypertension caused by prenatal testosterone excess in female sheep." American Journal of Physiology-Endocrinology and Metabolism 292, no. 6 (2007): E1837—E1841. http://dx.doi.org/10.1152/ajpendo.00668.2006.

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Polycystic ovary syndrome (PCOS), a leading cause of infertility, affects ∼10% of women of reproductive age. The etiology and pathophysiology of PCOS are poorly understood. PCOS is multifaceted and includes reproductive abnormalities and components of the metabolic syndrome such as insulin resistance, obesity, dyslipidemia, and hypertension. Exposure to excess testosterone (T) during the prenatal period may predispose individuals to PCOS phenotype. The goal of this study was to determine whether hypertension and dyslipidemia occur in a well-characterized model of PCOS produced by prenatal trea

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17

Entrican, Gary, and Nicholas M. Wheelhouse. "Immunity in the female sheep reproductive tract." Veterinary Research 37, no. 3 (2006): 295–309. http://dx.doi.org/10.1051/vetres:2006002.

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18

Imbschweiler, I., M. Kummerfeld, M. Gerhard, I. Pfeiffer, and P. Wohlsein. "Animal sexual abuse in a female sheep." Veterinary Journal 182, no. 3 (2009): 481–83. http://dx.doi.org/10.1016/j.tvjl.2008.09.004.

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19

Hawken, Penny A. R., Jeremy T. Smith, Trina Jorre de St Jorre, et al. "Patterns of preoptic–hypothalamic neuronal activation and LH secretion in female sheep following the introduction and withdrawal of novel males." Reproduction, Fertility and Development 31, no. 11 (2019): 1674. http://dx.doi.org/10.1071/rd19079.

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The neuroendocrine response of female sheep to a novel male involves neural activation in the hypothalamus. However, if males are removed, the gonadotrophic signal declines, so the neural activity is likely to change. We examined Fos-immunoreactive (IR) cells in hypothalamic tissues from seasonally anovulatory female sheep exposed to males for 2 or 6h, or for 2h followed by 4h isolation from males. Control females were killed in the absence of male exposure. Male introduction increased LH secretion in all females; male removal was associated with a reduction only in mean and basal LH concentra

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20

Shehu, S. A., and A. A. Umar. "Morphometrical study of the mandiblar bone of female Yankasa sheep (Ovis aries Linne)." Direct Research Journal of Veterinary Medicine and Animal Science 3, no. 6 (2019): 54–60. https://doi.org/10.5281/zenodo.3378021.

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The research was aimed at studying the morphometric analysis of the twenty (20) lower jaw bones (mandible) of female Yankasa breed of sheep in relation to their ages postnatally using standard biometrical tools. The study was conducted in Sokoto metropolis, through daily marked visitation. The samples ware obtained and classified according to age; group 1 (0-6months), group 2 (6months-1year), group 3 (1-2years), group 4 (2-3years), group 5 (3years-above). The ages were estimated on the basis of the eruption and wearing of the teeth All morphometric data examined were expressed as Mean ±

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Lumbers, Eugenie R., Min young Kim, Judith H. Burrell, et al. "Effects of intrafetal IGF-I on growth of cardiac myocytes in late-gestation fetal sheep." American Journal of Physiology-Endocrinology and Metabolism 296, no. 3 (2009): E513—E519. http://dx.doi.org/10.1152/ajpendo.90497.2008.

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Intrafetal insulin-like growth factor (IGF)-I promotes cardiac hypertrophy in the late-gestation fetal sheep; whether these effects are sustained is unknown. IGF-I was infused for 4 days at 80 μg/h from 121 to 125 days of gestation, and its effects at 128 days, 3 days after the infusion stopped, were determined by comparison with untreated fetal sheep. After IGF-I treatment, fetal weights were similar to those in control fetuses but kidney weights were bigger ( P < 0.05), as were spleen weights of male fetuses ( P < 0.05). Cardiac myocytes were larger in female than male fetal sheep ( P

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.H. AL-Hamdani, Adnan, and Naser J. AL-Zawadi. "Significant of conventional serological tests in diagnostic of Brucellosis in AL-Diwaniyah province." AL-QADISIYAH MEDICAL JOURNAL 10, no. 18 (2017): 98–103. http://dx.doi.org/10.28922/qmj.2014.10.18.98-103.

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The study was conducted on 351 serum samples from suspected cases brucellosis of human (125 ) (68 male and 57 female )of age distribution from (10-70) years and 100 sheep (84 females and 16 males) , goat (23 female and 17 male ) and cow (64 female and 22 male ) of different ages (1->3 years) suspected selected from October 2011 to August 2012 in Diwaniyah province. The Rose Bengal test, tube agglutination test and 2- mercaptoethanol test were used to determine the incidence of brucellosis. The highest infection rate of disease was recorded by Rose Bengal test 19.2%, 21% , 17.39% and 8.13% i

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El, Fiky, Gamal Hassan, and Mohamed Nassar. "Genetic polymorphism detection in bone morphogenetic protein 15 (BMP15) gene related to fecundity in two Egyptian sheep breeds." Biotehnologija u stocarstvu 33, no. 1 (2017): 37–53. http://dx.doi.org/10.2298/bah1701037e.

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This study was intended to detect the polymorphism of bone morphogenetic protein 15 (BMP15) gene that can act as marker influencing fertility for increasing litter size in Egyptian sheep breeds (191 Saidi and 145 Ossimi females). In this study, the mean litter size, showed highly significant between Saidi and Ossimi sheep breads, however, litter size of Saidi white sheep was significantly decreased compared to black and brown. Blood samples were collected from 19 Saidi and 13 Ossimi female and then genomic DNA was extracted. A portion of bone morphogenetic protein 15 (BMP15) gene, 310 bp was a

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Rajagopal, Thangavel, Selvam Mahalakshmi, Thirukonda Ravindhran Gayathri, et al. "Histomorphology and Chemical Constituents of Interdigital Gland of Vembur Sheep, Ovis aries." Veterinary Sciences 9, no. 11 (2022): 647. http://dx.doi.org/10.3390/vetsci9110647.

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The interdigital gland is a specialized skin gland located between the digits of Artiodactyla (i.e., even-toed ungulates). Its secretion participates in semiochemical communication, and protects from ultraviolet radiation as well as fungal and bacterial infections of the feet. The present study aimed at finding if there are male-female differences in the anatomy, morphology, and volatile compounds of the interdigital gland of the South Indian breed of Vembur sheep. A total of 24 sheep (12 each of male and female) were spotted at the slaughterhouse and the interdigital gland was removed for exa

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Mehwish Niazi, Zunnorain Ahmed, Naseer Ahmed, et al. "An Epidemiological Study on Infestation Rate of Ticks in Ruminants of Sargodha Division Pakistan." Indus Journal of Bioscience Research 3, no. 1 (2025): 539–48. https://doi.org/10.70749/ijbr.v3i1.546.

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This study investigated tick infestation rates and their distribution on various body parts of ruminants in Sargodha Division, comprising four districts. Samples were collected from 10 farms per district between February and June 2021. Of the 1,067 ruminants (cows, buffaloes, goats, and sheep) observed, 348 (32.10%) were infested. The highest infestation rate was recorded in Mianwali (54.44%), followed by Sargodha (28.92%), Bhakkar (25.69%), and Khushab (24.71%). Among species, cows were the most infested (41.45%), followed by buffaloes (33.73%), sheep (27.38%), and goats (16.41%). Female cows

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Yeasmin, Tania, Hamida Khanum, and Rimi Farhana Zaman. "Seasonal prevalence of arthropoda and helminth parasites in sheep (Ovis aries." Bangladesh Journal of Zoology 42, no. 1 (2015): 45–55. http://dx.doi.org/10.3329/bjz.v42i1.23335.

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The present investigation was carried out to determine the prevalence of arthropoda and helminth parasites in sheep at Azimpur, Dhaka during February, 2012 to January, 2013. A Total of 60 hosts were examined and about 71.67% sheep were found to be infested with arthropod parasites. In sheep two species of arthropod parasites, Linognathus vituli (61.67%) and Damalinia caprae (68.33%) were identified as ecto-parasites. The prevalence of ectoparasites was higher during summer (85%), followed by winter (75%) and rainy (55%). The higher intensity was also recorded in summer (325.17±1.92). Lambs wer

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Mohammed, Ahmed Jassim, and Qassim Haleem Kshash. "Comparative study of serum copper concentration in natural copper deficient and healthy Awassi sheep in Al-Najaf city\Iraq." Kufa Journal For Veterinary Medical Sciences 6, no. 2 (2015): 8–16. http://dx.doi.org/10.36326/kjvs/2015/v6i24000.

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This study was conducted on Awassi sheep in Al-Najaf city during October /2014 till January /2015 to detect the main clinical features and copper concentration associated with natural copper deficiency of sheep . About one hundred clinically copper deficient sheep (50 male,50 female) character by important clinical copper deficient features as affected sheep group and control sheep group which apparent healthy was included one hundred sheep (50 male,50 female) both group sheep was selected randomly and blood samples were collected from each one to estimate serum copper concentration . Clinical

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Mohammed, Ahmed Jassim, and Qassim Haleem Kshash. "Comparative study of serum copper concentration in natural copper deficient and healthy Awassi sheep in Al-Najaf city\Iraq." Kufa Journal For Veterinary Medical Sciences 6, no. 2 (2015): 8–16. http://dx.doi.org/10.36326/kjvs/2015/v6i24000.

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This study was conducted on Awassi sheep in Al-Najaf city during October /2014 till January /2015 to detect the main clinical features and copper concentration associated with natural copper deficiency of sheep . About one hundred clinically copper deficient sheep (50 male,50 female) character by important clinical copper deficient features as affected sheep group and control sheep group which apparent healthy was included one hundred sheep (50 male,50 female) both group sheep was selected randomly and blood samples were collected from each one to estimate serum copper concentration . Clinical

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Thomas, N., S. Teshale, and B. Kumsa. "Abomasal nematodes of sheep and goats slaughtered in Awassa (Ethiopia): species composition, prevalence and vulvar morphology." Helminthologia 44, no. 2 (2007): 70–75. http://dx.doi.org/10.2478/s11687-007-0006-8.

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AbstractA study was carried out to determine the prevalence of abomasal nematodes of sheep and goats slaughtered in Awassa town from January 2006 through June 2006 with special emphasis given to Haemonchus spp. and to characterize vulvar morphs of female Haemonchus worms. During the study period 180 abomasa of sheep and 132 abomasa of goats were examined. Three genera of nematodes were identified in both sheep and goats abomasa with overall prevalence of 91.1 % and 87.1 % respectively. The specific prevalence rates observed were 81.1 % for Haemonchus spp., 47.2 % for Trichostrongylus axei, and

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Cook, David F. "Ovarian development in females of the Australian sheep blowfly Lucilia cuprina (Diptera: Calliphoridae) fed on sheep faeces and the effect of ivermectin residues." Bulletin of Entomological Research 81, no. 3 (1991): 249–56. http://dx.doi.org/10.1017/s0007485300033502.

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AbstractThis study demonstrates that only a proportion of Lucilia cuprina (Wiedemann) females, which have fed exclusively on sheep dung collected from spring improved pastures, are able to mature a complement of oocytes at the cost of high resorption. Fifty percent of females developed mature oocytes after 11 d of continuous feeding on sheep dung. After 14 d feeding, 80% of females had matured an average of 143 eggs. Females given ad lib access to sheep's liver developed mature oocytes within 2–3 d feeding, producing an average of 223 eggs. Results show that sheep dung is a resource used by L.

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Ruzic-Muslic, Dragana, Bogdan Cekic, Ivan Cosic, et al. "Morphometric characterization and body measurment correlations in Lipska Pramenka sheep." Biotehnologija u stocarstvu 38, no. 2 (2022): 81–91. http://dx.doi.org/10.2298/bah2202081r.

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Lipska sheep is an autochthonous Serbian population from the group of Pramenka (Zapfel) sheep, bred in the area around Smederevo, Pozarevac and Mladenovac. The average weight of male animals (BW) is 95 kg and 62 kg of female animals. Other measurements of female animals are: wither height (WH) 74 cm, body length (BL) 78 cm, chest width (CW) 23 cm, chest depth (CD) 40 cm and hearth girth (HG) 91 cm. In the last sixty years, adult female animals gained in average ten kilograms of weight. Other linear measures also increased. The increase is a consequence of better animal management, especially i

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Habib-Ur-Rehman, Kakar Niamatullah, and Kakar Asmatullah. "Zoonotic brucellosis: Seroprevalence and different serological tests comparison in ovine and caprine population in district Quetta, Balochistan." World Journal of Biology Pharmacy and Health Sciences 2, no. 3 (2020): 044–50. https://doi.org/10.5281/zenodo.4430459.

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The present study was design to determine the seroprevalence of zoonotic brucellosis and different serological tests comparison in ovine and caprine population in district Quetta, Balochistan. A total of 500 blood samples, comprising of 250 each from sheep and goat were randomly collected from out skirts of District Quetta, Balochistan. Out of the 250 blood samples 125 were collected from each males and females. The serum samples were tested for the presence of anti-Brucella antibodies by Rose Bengal Plate Test (RBPT), Serum Plate Agglutination Test (SPAT) and Serum Tube Agglutination Test (ST

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Su, Yixin, Jianli Bi, Victor M. Pulgar, Jorge Figueroa, Mark Chappell, and James C. Rose. "Antenatal glucocorticoid treatment alters Na+ uptake in renal proximal tubule cells from adult offspring in a sex-specific manner." American Journal of Physiology-Renal Physiology 308, no. 11 (2015): F1268—F1275. http://dx.doi.org/10.1152/ajprenal.00047.2015.

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We have shown a sex-specific effect of fetal programming on Na+ excretion in adult sheep. The site of this effect in the kidney is unknown. Therefore, we tested the hypothesis that renal proximal tubule cells (RPTCs) from adult male sheep exposed to betamethasone (Beta) before birth have greater Na+ uptake than do RPTCs from vehicle-exposed male sheep and that RPTCs from female sheep similarly exposed are not influenced by antenatal Beta. In isolated RPTCs from 1- to 1.5-yr-old male and female sheep, we measured Na+ uptake under basal conditions and after stimulation with ANG II. To gain insig

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TAVECCHIA, G., T. COULSON, B. J. T. MORGAN, et al. "Predictors of reproductive cost in female Soay sheep." Journal of Animal Ecology 74, no. 2 (2005): 201–13. http://dx.doi.org/10.1111/j.1365-2656.2005.00916.x.

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Sam, I. M., O. O. Usoro, and A. F. Udo. "Relationship of linear body measurements with live body weight in West African Dwarf sheep raised in Tropical Rainforest of Nigeria." Journal of Animal Science and Veterinary Medicine 8, no. 2 (2023): 46–51. http://dx.doi.org/10.31248/jasvm2023.365.

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The relationship between live body weight and some linear body measurements was studied in 130 (98 females and 32 males) West African Dwarf (WAD) sheep under field conditions in Obio Akpa. Body measurements studied included Body Length (BL), Hearth Girth (HG), Height of Wither (HAW), Neck Length (NL), Rump Width(RW), Ear Length (EL), Neck Width (NW), Shoulder Width (SW) and Tail Length(TL). The data collected were subjected to t-test analysis to determine the effect of sex on each of these parameters. The data were also fitted into linear and multiple regression models to predict live body wei

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Younis, Khalida Hussain. "General survey of epidemic hydatidosis in sheep in Al-Shula area in Baghdad." Kufa Journal For Veterinary Medical Sciences 3, no. 1 (2012): 25–36. http://dx.doi.org/10.36326/kjvs/2012/v3i14083.

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The survey of distribution of hydatidosis in sheep in Al-Shula Area of Baghdad region was conducted from Mar. 2010 to Feb. 2011. By examining of 2781 animals 1877 male and ( 904) female , the infection rate was( 12.69%). Out of 353 of affected sheep 211 was female (7.58%) and 147 was male (5.1%). Hydatidosis is found in internal organs for all months of the year .The ratio of infection was higher in female ( 59,77% ) in comparaion with male ( 40,22%) . 2428 hydatid cysts were isolated from liver , lung and liver together and lung organs mostly from lung and liver together with rate (61.53%) th

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Pascal, Constantin, Traian Stefan Atanasiu, Ionica Nechifor, and Costica Cristian. "Precocious Utilisation at Reproduction of Female Youth Sheep From Ţigaie Breed." Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Animal Science and Biotechnologies 73, no. 2 (2016): 218. http://dx.doi.org/10.15835/buasvmcn-asb:12255.

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Ovine rearing represents a domain being in a full development process in Romania. At the base of this tendency are the solicitation of local and external markets for basic production, respectively meat and milk. To record favourable economical results farmers wants to apply the most optimal technologies so, economical efficiency to reach a maximum level for each female which is part of the livestock (Pascal, 2015, Daraban 2006 ). One of those technologies refers also at precocious utilisation at reproduction of a female youth. So, the aim of effectuated research was represented by studying of

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Festa-Bianchet, Marco, Wendy J. King, Jon T. Jorgenson, Kirby G. Smith, and William D. Wishart. "The development of sexual dimorphism: seasonal and lifetime mass changes in bighorn sheep." Canadian Journal of Zoology 74, no. 2 (1996): 330–42. http://dx.doi.org/10.1139/z96-041.

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Individually marked bighorn sheep (Ovis canadensis) were monitored to determine how seasonal and lifetime changes in mass affected the development of sexual dimorphism, and to what extent mass at a given age could predict mass of the same sheep at a later age. We trapped sheep from late May to early October each year from 1971 to 1985 in a population artificially kept at low density. Lambs and yearlings gained mass linearly from June to September, while absolute mass gain of older sheep was faster in June–July than in August–September. Males gained more mass than females each summer up to at l

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Kshash, Qassim Haleem. "Molecular detection of haemotropic mycoplasma infection in sheep." Kufa Journal For Veterinary Medical Sciences 8, no. 1 (2017): 120–29. http://dx.doi.org/10.36326/kjvs/2017/v8i14317.

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This study was the first report about hemotropic mycoplasmoses in sheep at middle of Iraq as well as the first trail to investigate this infection among ticks .EDTA blood samples were collected from four hundred ( 400 ) Awassi sheep during February –July \2016 ,two hundard ( 200) of sheep clinicallyhad signs of anemia ,weakness ( infected group )and another 200 sheep that clinically healthy( healthy group ) ,all examined sheep were ranked according to gender( male and female ) and to age periods ( less than and more than one year ) and each sub group included 100 sheep , that tested by PCR ass

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Joshi, Purushotam. "NUTRITION AND REPRODUCTION IN SHEEP." FOOD & AGRIBUSINESS MANAGEMENT 3, no. 2 (2022): 48–52. http://dx.doi.org/10.26480/fabm.02.2022.48.52.

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High nutrition, but not overfeeding, has a positive effect on ewe reproductive capability in terms of the number of estrous cycles, length of the breeding season, greater ovulation rate, and improved lambing %. Copper deficiency hurts lambing percentage and lamb health. Manganese is required for the ovarian activity to be maintained. Protein is necessary for sheep for optimum sperm capacitation, conception rate, pregnancy, and reduced abortions. Protein insufficiency causes lower feed intake, poorer feed utilization, lower growth rate, lower milk output, and lower wool production. A possible r

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Clarke, Iain J. "Sex and season are major determinants of voluntary food intake in sheep." Reproduction, Fertility and Development 13, no. 8 (2001): 577. http://dx.doi.org/10.1071/rd01087.

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Seasonal changes in voluntary food intake (VFI) are seen in various species, including sheep. This paper reviews recent work in this area, especially in relation to alterations in the expression of appetite-regulating peptides in the brain of the sheep. Work in the hamster is also reviewed because this is another species in which VFI is regulated by photoperiod. In normally grazing sheep, appetite is maximal in the late summer/early autumn and minimal in spring. This appears to be owing to increased expression of the orexigenic peptide, neuropeptide Y. Similar results are obtained in sheep tha

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Dar, Ejaz R., Mudasir B. Gugjoo, Moien Javaid, et al. "Adipose Tissue- and Bone Marrow-Derived Mesenchymal Stem Cells from Sheep: Culture Characteristics." Animals 11, no. 8 (2021): 2153. http://dx.doi.org/10.3390/ani11082153.

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The current study demonstrates the culture characteristics of adipose tissue and bone marrow-derived mesenchymal stem cells (MSC). The study evaluates the effect of ambient temperature, physiological status of the donor and the tissue source on sheep (Ovis aries) mesenchymal stem cells. The tissue samples were harvested from full term pregnant female sheep (n = 9) and male sheep (n = 10). Adipose tissue was harvested from n = 9 sheep and bone marrow from n = 10 sheep. The samples (adipose tissue, n = 2; bone marrow, n = 3) transported at cold ambient temperature (<10 °C) failed to yield MSC

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Corti, Paulo, and David M. Shackleton. "Relationship between predation-risk factors and sexual segregation in Dall's sheep (Ovis dalli dalli)." Canadian Journal of Zoology 80, no. 12 (2002): 2108–17. http://dx.doi.org/10.1139/z02-207.

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Using a population of Dall's sheep (Ovis dalli dalli), we examined two of the four main sexual-segregation hypotheses proposed: (1) the reproductive-strategy hypothesis, which proposes that males feed in the best foraging areas to enhance their reproductive fitness and females use areas with lower predation risk to raise offspring; and (2) the sexual dimorphism body size hypothesis, which proposes that females use the areas with best forage to satisfy the nutritional demands of gestation and lactation, and that males, owing to their larger body size, have greater absolute metabolic requireme

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Sun, MA, SS Islam, MS Islam, MM Rahman, and D Mondol. "Performance evaluation of Indigenous and Garole crossbred sheep (F1) under semi-intensive management system." Bangladesh Journal of Animal Science 53, no. 2 (2024): 55–67. http://dx.doi.org/10.3329/bjas.v53i2.74540.

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A crossbreeding program was sought to enhance the genetic attributes of coastal sheep by mating them with Garole rams. The breeding program involved a combination of two male Garole with a group of twenty indigenous ewes. These sheep were permitted to mate naturally, without external intervention. Data collection focused on key metrics like birth weight (kg lamb-1), litter size, sex of lambs, instances of dystocia, weaning weight (kg lamb-1), weaning age (days), body weight (kg), age at puberty (days), and mortality rates (%). Crossbred male lambs had an average birth weight of 1.48±0.12 kg, w

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Anderson, J. M. L., and G. M. Webster. "The effect of castration and ewe proximity on the behaviour, performance and meat quality of housed male lambs." Proceedings of the British Society of Animal Science 1995 (March 1995): 54. http://dx.doi.org/10.1017/s1752756200590516.

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This trial sought to increase the knowledge of the changes in the endocrine status of male sheep as they mature and to link this with their sexual and agonistic behaviour when reared in the presence or absence of females; the influence of female lambs could significantly alter the behaviour, growth, performance, carcass composition and meat quality of entire and castrated male lambs. Therefore, this project could lead to improvements in the efficiency of sheep production by providing the background physiology necessary to understand sexual behaviour. This may lead to improved practices for the

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Anderson, J. M. L., and G. M. Webster. "The effect of castration and ewe proximity on the behaviour, performance and meat quality of housed male lambs." Proceedings of the British Society of Animal Science 1995 (March 1995): 54. http://dx.doi.org/10.1017/s0308229600028221.

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This trial sought to increase the knowledge of the changes in the endocrine status of male sheep as they mature and to link this with their sexual and agonistic behaviour when reared in the presence or absence of females; the influence of female lambs could significantly alter the behaviour, growth, performance, carcass composition and meat quality of entire and castrated male lambs. Therefore, this project could lead to improvements in the efficiency of sheep production by providing the background physiology necessary to understand sexual behaviour. This may lead to improved practices for the

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Bleich, Vernon C., Jericho C. Whiting, John G. Kie, and R. Terry Bowyer. "Roads, routes and rams: does sexual segregation contribute to anthropogenic risk in a desert-dwelling ungulate?" Wildlife Research 43, no. 5 (2016): 380. http://dx.doi.org/10.1071/wr15231.

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Context Little is known about the consequences of sexual segregation (differential use of resources by the sexes outside of the mating season) for the conservation of large mammals. Roadways (i.e. the strip of land over which a road or route passes) are ubiquitous around the world, and are a major cause of wildlife mortality, as well as habitat loss and fragmentation. Many populations of bighorn sheep (Ovis canadensis) occur at low densities and in a metapopulation structure. Roadways could affect movements of males and females differentially, an outcome that has not been considered previously

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HE, Hassan, Khalid E. Sahal, Elhashmi YH, et al. "Effect of sex and age on chemical composition of sheep, cattle and camel meat." International Journal of Multidisciplinary Research and Growth Evaluation 5, no. 2 (2024): 92–98. http://dx.doi.org/10.54660/.ijmrge.2024.5.2.92-98.

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Meat is highly valuable food product for human consumption because it is a good source of all essential amino acids, crude protein, energy, minerals and major source of vitamins that necessary for human nutrition. The distinctive flavor, tenderness, choiceness and agreeable make it one of the preferred food. In this study three types of meat samples, these are sheep, beef and camel (male and female) with different age group (young, medium and old) were selected and allotted to three experimental groups (treatments). The study was conducted to assess the effects of age and sex on chemical compo

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Erhard, H. W., A. M. Sibbald, and E. Fàbrega-Romans. "Spatial distribution during grazing reflects dominance relationships between individual sheep." Proceedings of the British Society of Animal Science 2002 (2002): 72. http://dx.doi.org/10.1017/s1752756200007286.

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Female sheep do not frequently show overt dominance displays while grazing on pasture. This has led to the conclusion that, for female sheep, dominance at pasture is of little importance. While sheep show few agonistic interactions, they do make clear and consistent choices of who they graze close to. This experiment was designed to answer the question whether these choices reflect the underlying dominance relationships between individuals, potentially being the reason for the low level of agonistic interactions on pasture.

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Réale, Denis, Patrick Boussès, and Jean-Louis Chapuis. "Female-biased mortality induced by male sexual harassment in a feral sheep population." Canadian Journal of Zoology 74, no. 10 (1996): 1812–18. http://dx.doi.org/10.1139/z96-202.

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In contrast to most populations of sexually dimorphic ungulates, a 3-year study revealed a tertiary sex ratio (the number of males per female at sexual maturity) strongly biased towards males in the Île Longue feral sheep (Ovis aries) population (Kerguelen subantarctic archipelago). This population presents a main winter lambing season and a secondary summer lambing period. The sex ratios of lambs and lamb carcasses were even. The skewed sex ratio of adults was therefore attributed to shorter longevity of females. We showed that (i) male monthly mortality followed a bimodal distribution with p

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