نتایج جستجو برای: lory sheep breed

تعداد نتایج: 53401  

Journal: :Parasitologia 2021

Toxoplasma gondii infections in sheep and goats are important economically for public health many countries, including Romania. In this study, seroprevalence associated risk factors T. infection were determined 2500 500 from three counties the Banat region of Antibodies to found 1266 (50.64%) 375 (75%) goats, by using a commercial (IDEXX) ELISA. To evaluate epidemiological status infection, som...

Journal: :iranian journal of applied animal science 2015
p.m. pares-casanova

this study estimated the magnitude of sexual dimorphism in a relict sheep from catalunya (ne spain), called fardasca,using geometric morphometric techniques. for these analyses, a total of 18 skull specimens (2 adult males and 16 females) were studied. our results suggest that the breed is not cranially dimorphic, so sex determination using landmarks described here as criteria is likely to yiel...

Journal: :Small ruminant research : the journal of the International Goat Association 2000
de Waal HO Combrinck

The development of the non-woolled Dorper sheep breed is briefly reviewed. Despite the large number of Dorpers in South Africa, precious little research results have been published on its nutrition under harsh, arid grazing conditions, especially since this has been an objective for creating and developing the breed. Results from the limited number of trials with free ranging Dorpers on natural...

2016

The present investigation has been undertaken to study the Hemoglobin and Transferrin polymorphisms in indigenous goat breed Salem Black of Tamil Nadu. A total of fifty blood samples from the adult male and female local breed of Salem Black goats were collected, among which 40 samples from Mecheri Sheep Research Station, Pottaneri, Salem and 10 samples from Institutional Livestock Farming Compl...

Journal: : 2021

The growth, development and meat qualities characteristics of different genotypes lambs he growth features three ram-lambs, from their birth to six months age, were studied, in particular: purebred youngling the Ascanian Fine-Fleeced breed (AFF), a cross this gene pool with Texel (AFFxT) Merinolandschaf (AFFxM) breeds. Control over these experimental animals was carried out by weighing age peri...

2010
Takashi Yokoyama Kentaro Masujin Mary Jo Schmerr Yujing Shu Hiroyuki Okada Yoshifumi Iwamaru Morikazu Imamura Yuichi Matsuura Yuichi Murayama Shirou Mohri

BACKGROUND Sheep scrapie is caused by multiple prion strains, which have been classified on the basis of their biological characteristics in inbred mice. The heterogeneity of natural scrapie prions in individual sheep and in sheep flocks has not been clearly defined. METHODOLOGY/PRINCIPAL FINDINGS In this study, we intravenously injected 2 sheep (Suffolk and Corriedale) with material from a n...

Abdolreza Salehi, Frouzandeh Mahjoubi Roohallah Barzehkar

Leptin (LEP), the expression product of the obese gene produced primarily in the adipose tissue, is related to feed intake, growth and lipid metabolism. The aim of this study was to study the possible association between polymorphism of the LEP gene with growth and carcass traits among three Iranian sheep breeds of the Shal, Zandi and Zel varieties. A total of 180 purebred animals of the Shal, ...

Journal: :international journal of advanced biological and biomedical research 2014
nematollah dayyani

the number of lambs sold per ewe mated in the breeding flock has a considerable impact on sheep operation profitability. this depends primarily on fertility, prolificacy (# of lambs), and lamb survival, mothering ability, milk production of the ewe and lamb growth rate. optimal reproduction does vary by environment and management system – some sheep operations don’t want a lambing rate over 200...

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