نتایج جستجو برای: sheep crossbred
تعداد نتایج: 44451 فیلتر نتایج به سال:
BACKGROUND The progression of scrapie is known to be influenced by the amino acid polymorphisms of the host prion protein (PrP) gene. There is no breeding programme for TSE resistance in sheep in Finland, but a scrapie control programme has been in place since 1995. In this study we have analysed PrP genotypes of total of 928 purebred and crossbred sheep together with the data of scrapie survey...
The purpose of this study was evaluation of leptin gene polymorphism by PCR-SSCP and its relationship with some growth traits in Lori Bakhtiari and crossbred of Lori Bakhtiari- Afshari sheep. Blood samples were collected from 58 sheep (male and female) of Lori-Bakhtiari in Shahr-e-Kord Sholi station and 42 sheep (male and female) of Lori Bakhtiari-Afshari crossbreed from villages of Shahr-...
We evaluated the profitability of anthelmintic treatment and nutritional supplements using partial budget analysis on 108 weaned Menz (n=39), 50% Awassi-Menz (n=38) and 75% Awassi-Menz (n=31) crossbred sheep genotypes kept on-station under subclinical helminthosis at Debre Berhan, Ethiopia. Data were collected on feed intake, live weight, eggs per gram of faeces (EPG), packed cell volume (PCV),...
Parentage testing is an important tool in farm animals for genetically determining the accuracy of pedigree information. The objective of the current study was to implication of multiplexing 14 microsatellite markers for routine parentage testings. The twenty-four lambs were crossbred of Ghazel × Baluchi, Ghazel × Baluchi × Merinos, and Baluchi × Moghani × Merinos breeds. The genomic DNA was ex...
Sheep are a key source of meat, milk and fibre for the global livestock sector, and an important biomedical model. Global analysis of gene expression across multiple tissues has aided genome annotation and supported functional annotation of mammalian genes. We present a large-scale RNA-Seq dataset representing all the major organ systems from adult sheep and from several juvenile, neonatal and ...
Rambouillet X Finn crossbred wether lambs were evaluated for differences in longissimus muscle cross-sectional area and overlaying subcutaneous adipose tissue thickness resulting from the use of the beta-agonist clenbuterol. Treatment groups received 0 and 2 ppm clenbuterol in the diet for approximately 40 d prior to slaughter. Longissimus muscle cross-sectional area and fat depth over the 12th...
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Evaluation of improved sheep breeds in pastoral areas of Yabello district, Southern Oromia, Ethiopia
This study was conducted at Yabello district of Borana zone with the objectives evaluating productive performance 25% Dorper crossbred and local blackhead Somali sheep under agro pastoralists’ conditions, creating awareness, improving knowledge skill. The training given to selected pastoralists, development agents, experts on importance management improved sheep. A total four F1 50% were ...
We determined the polymorphism C242T of the aromatase gene (Cyp19) and its allelic frequency, as well as the effect of the variants on productive and reproductive traits in 71 purebred Santa Inês sheep, 13 purebred Brazilian Somali sheep, nine purebred Poll Dorset sheep, and 18 crossbred 1/2 Dorper sheep. The animals were genotyped using the PCR-RFLP technique. The influence of the animal's gen...
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