Relevance. To ensure the profitability of production, it is necessary to use certain schemes for crossing pigs different breeds. Since choice correct scheme can significantly affect final result. Crossbred animals, due effect heterosis, are superior in productive qualities original maternal and paternal The paper presents an assessment meat local young obtained as a result industrial three-bree...

27 Livestock breed-related public good functions are often used to justify support 28 for endangered breed conservation despite the fact that little is known about 29 such non-market values. We show how stated preference techniques can be 30 used to assess the non-market values that people place on livestock breeds. 31 Through the application of a case study choice experiment survey in Zamora 3...

Lamb weaning weights at 30 +/- 14, 60 +/- 28, and 90 +/- 28 d were used to evaluate the effect of birth weight on the linear adjustment of weaning weight to a constant age and the effect of deviations from target dates on the accuracy of linear age adjustment. The data consisted of 13,501 birth weights, 3,721 30-d records, 10,988 60-d records, and 3,285 90-d records from the National Sheep Impr...

a crossbreeding experiment involving four iranian fat-tailed sheep breeds, namely kurdi (k), chaal (c), afshari (a) and sanjabi (s) was carried out to determine the ram breed effects on productivity of kurdi fat-tailed ewes (k) under extensive production system. a total of 475 kurdi ewes were mated to 24 rams from four breeds producing 454 lambs including pure kurdi, kk, (116 lambs), afshari × ...

background: parasitological investigations on paramphistomosis were carried out over a 12-month period in the southeast of iran to determine the prevalence and intensity of this disease. methods: a total of 1000 cattle, sistani breed (n= 450) and brahman breed (n= 550) of all sex and age groups were inspected at random for the presence of paramphistomidae flukes in zabol slaughterhouse from dec...

The Booroola fecundity gene (FecB) and growth differentiation factor 9 (GDF9) gene belong to the transforming growth factor β (TGF-β) superfamily. The mutations of these genes have additive effects on the prolificacy in sheep. The aim of the present study was to determine the possible mutations of FecB and FecGH genes in Lory sheep breed of the Lorestan province, Iran. Sixty...

In the form of a different type of communication and different relationships motivated by not so common reasons, microblogging has come to set a new trend on social networks. Twitter.com, founded on March 2006, was the obvious choice as it is the leading microblogging platform around. In a immersive ethnographic study performed there, I've analyzed this new breed of relationships and communicat...