BEAF QUALITY OF PURE-BRED AND CROSS-BRED BEEF CATTLE OF SIBERIA
نویسندگان
چکیده
منابع مشابه
Effect of Different Feeding Times on the Performance of Cross Bred Dairy Cattle during Summer Stress
The livestock sector in Pakistan occupies a unique position in the national agenda of economic development. The current study was conducted to evaluate a heat stress mitigation strategy through different feeding times on the performance i.e. milk yield, milk composition and physiochemical properties of milk in dairy cattle during the summer season. Twenty Holstein Friesian cows (HF) were random...
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1. Twenty-seven energy and protein balances were done using nine cross-bred (Brown Swiss times Sahiwal) mature bullocks in a series of three balance trials. The bullocks were fed 75, 100 and 125 percent of the metabolizable energy (ME) and digestible crude protein standard values recommended by the (US) National Research Council (1966). Heat production was estimated by indirect calorimetry, by ...
متن کاملPharmacokinetics and dosage regimen of cefpirome in febrile cross-bred calves
The pharmacokinetics of cefpirome after a single intravenous injection of 10 mg.kg -1 was studied in febrile cross-bred calves. E. coli endotoxin was administered intravenously to induce fever in calves. Blood samples were collected at different time intervals and cefpirome levels were estimated by using microbiological assay technique. Based on the plasma drug levels, the pharmacokinetic pa...
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 کاملBirth weight and postnatal growth of pure-bred kittens.
Data on body weight of pure-bred kittens (Maine Coon, Norwegian Forest Cat, Birman, Persian, Siamese/Oriental Shorthair Cat) from birth (n 245) to 12 weeks of age (n 135) were obtained from breeders. Absolute birth weight (in g) was higher in larger breeds than in smaller breeds, whereas relative birth weight (in % of mature female weight) tended to be higher in smaller breeds (Maine Coon 115 g...
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ژورنال
عنوان ژورنال: Siberian Herald of Agricultural Science
سال: 2019
ISSN: 0370-8799
DOI: 10.26898/0370-8799-2018-5-6