SAP frequency in Saskatchewan Charolais cattle
نویسندگان
چکیده
منابع مشابه
Linkage disequilibrium in Angus, Charolais, and Crossbred beef cattle
Linkage disequilibrium (LD) and the persistence of its phase across populations are important for genomic selection as well as fine scale mapping of quantitative trait loci (QTL). However, knowledge of LD in beef cattle, as well as the persistence of LD phase between crossbreds (C) and purebreds, is limited. The objective of this study was to understand the patterns of LD in Angus (AN), Charola...
متن کاملCalving Difficulties among Pure-bred Charolais, Limousin, Maine-anjou and Hereford Cattle in France
Calving difficulties were examined in pure-bred Charolais, Limousin, MaineAnjou and Hereford cattle maintained in stalls at Bourges, France. The cows were born in 1970 and raised together from weaning. Records of calving performance, birth weights, gestation lengths and dam weights after calving from 2 to 5 years of age were analysed to compare breeds and to estimate maternal and direct genetic...
متن کاملGenomic prediction in French Charolais beef cattle using high-density single nucleotide polymorphism markers.
The objective of the study was to develop a genomic evaluation for French beef cattle breeds and assess accuracy and bias of prediction for different genomic selection strategies. Based on a reference population of 2,682 Charolais bulls and cows, genotyped or imputed to a high-density SNP panel (777K SNP), we tested the influence of different statistical methods, marker densities (50K versus 77...
متن کاملGenetic relationships among calving ease, birth weight and perinatal calf survival in Charolais cattle*
Perinatal calf mortality affects profitability of beef cattle production systems, hence, it would eventually be beneficial to include this trait in a breeding goal. The objectives of this study were to estimate the environmental effects and heritabilities of and genetic correlations among birth weight (BW), calving ease (CE) and calf survival (CS) in Charolais cattle, in the Czech Republic. The...
متن کاملGenetic relationships between calving and carcass traits for Charolais and Hereford cattle in Sweden.
The objective of this study was to estimate genetic correlations between calving difficulty score and carcass traits in Charolais and Hereford cattle, treating first and later parity calvings as different traits. Genetic correlations between birth weight and carcass traits were also estimated. Field data on 59,182 Charolais and 27,051 Hereford calvings, and carcass traits of 5,260 Charolais and...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Genetics Selection Evolution
سال: 1978
ISSN: 1297-9686
DOI: 10.1186/1297-9686-10-2-171