Slow-release urea in diets for lactating crossbred cows
نویسندگان
چکیده
منابع مشابه
Partial Replacement of Soybean Meal with Urea in Diets of Lactating Friesian Cows Offered Concentrate Mixtures in Frequent Meals
متن کامل
New Synbiotic-Mineral Complex in Lactating Cows’ Diets to Improve Their Productivity and Milk Composition
The aim of this study was to investigate the effectiveness of a new experimental complex in diets of lactating cows. The scientific and economic experiments were conducted in conditions of a large industrial complex for milk production from cows of Holstein breed (Russia). Four groups of Holstein cows (third calving), 20 animals each, were formed to conduct an analog method research. The cows i...
متن کاملBiochemical Characterization and Antibiogram of Staphylococcal Microorganisms Associated with Subclinical Mastitis in Lactating Crossbred Cows
Bovine subclinical mastitis (BSM) is a serious economic concern to the dairy industry, and is difficult to control due to elusive clinical manifestations of the ailment. The disease with primarily of microbial aetiology is amenable to antibiotic therapy, but the outcome is uncertain due to involvement of a plethora of microorganisms, host-specificity of the pathogens, and incessant evolution of...
متن کاملClaw Lesions Causing Clinical Lameness in Lactating Holstein Frisian Crossbred Cows
The objective of this study was to identify claw lesions causing clinical lameness in lactating Holstein Frisian (HF) crossbred cows in dairy cattle. Seventy dairy farmers were interviewed at the monthly meetings of Progressive Dairy Farmers Association of Ludhiana, Punjab, India. Ten dairy farms were randomly selected as per probability proportional to size and a total of 450 lactating HF cros...
متن کاملDairy Day 1995 INCLUSION OF FAT IN DIETS FOR EARLY LACTATING HOLSTEIN COWS
Twenty-four Holstein cows were used to study the effect of dietary fat on milk production and metabolic traits. Whole cottonseed and tallow were used as fat sources and substituted into the control diet on an isocaloric basis. Chopped alfalfa hay and grain sorghum silage constituted the forage in all diets. Treatments were balanced for parity, body weight, and previous lactation milk production...
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: Revista Brasileira de Zootecnia
سال: 2015
ISSN: 1806-9290
DOI: 10.1590/s1806-92902015000500005