Protein sources for crossbred dairy cows in the semiarid
نویسندگان
چکیده
منابع مشابه
Influence of Dietary Energy and Protein Intake on Yield and Composition of Milk in Crossbred Dairy Cows
The study was carried out on 120 crossbred Holstein × Shahiwal dairy cows for a period of 150 days to quantify the influence of dietary energy and protein intake on yield and composition of milk. Total 12 dairy farms having similar housing systems and holding at least 20 dairy cows in between mid to late lactation were selected for study purposes. The farms were located in the peri-urban and ur...
متن کاملEstrus Synchronization in Crossbred Dairy Cows under Field Conditions
A study was conducted to assess the effect of estrus synchronization technique on fertility and estrus induction response in crossbred cows under field conditions. Totally 30 infertile cows (anoestrous 13 and repeat breeder 17) were selected and divided randomly into two groups having 15 cows each. Estrus synchronization protocol (Triu-B) was adopted in Group I and Group II cows were kept as co...
متن کاملFertility of crossbred dairy cows submitted to FTAI with eCG
The aim of this study was to evaluate the effect of eCG on fertility of crossbred (Bos taurus x Bos indicus) lactating cows submitted to a protocol of fixed time AI (FTAI) between October and November 2013. A total of 265 cows was used, 165 multiparous and 100 primiparous, with an average milk production of 24.3 ± 0.47 kg/d and average of 127.7 ± 5.38 DIM. At a random day of the estrous cycle a...
متن کاملThe Comparison of the Main Protein Sources for Dairy Cows. a Review
YILDIZ, E. and N. TODOROV, 2014. The comparison of the main protein sources for dairy cows. A review. Bulg. J. Agric. Sci., 20: 428-446 Review of now-a-day knowledge was made for nutritive value and effect on milk yield and composition of the main protein sources – soybean meal (SBM), sunflower meal (SFM), rapeseed (canola) meal (RSM), and dried distillers grain with solubles (DDGS) – in diets ...
متن کاملInfluence of Body Condition Score on Yield and Composition of Milk in Crossbred Dairy Cows
The study was carried out for a period of 150 days on 120 Holstein Friesian crossbred dairy cows between mid to late lactation to quantify the influence of body condition score (BCS) on yield and composition of milk. Total 12 dairy farms having same housing systems and holding at least 20 crossbred dairy cows per farm between mid to late lactation were selected for this study purposes. BCS of i...
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: 2012
ISSN: 1516-3598
DOI: 10.1590/s1516-35982012001000019