Paper Information

Journal:   VETERINARY RESEARCH FORUM   2012 , Volume 3 , Number 3; Page(s) 213 To 216.
 
Paper:  EFFICIENCY OF UTILIZATION OF DIETARY ENERGY FOR MILK PRODUCTION IN LACTATING CROSSBRED CATTLE (BOS INDICUS)
 
Author(s):  DEBASHIS SAHA, GUPTA RADHE SHYAM, SINGH BAGHEL RAMESH PRATAP, KHARE ANKUR*
 
* DEPARTMENT OF ANIMAL NUTRITION, COLLEGE OF VETERINARY SCIENCE AND ANIMAL HUSBANDRY, MADHYA PRADESH PASHU CHIKITSA VIGYAN VISHWAVIDYALAYA, JABALPUR, INDIA
 
Abstract: 
The present study was conducted on efficiency of utilization of dietary energy for milk production in lactating crossbred cattle.18 lactating crossbred cattle of early to mid-lactation, approximate body weight (375.39±23.43 kg), milk yield, parity and stage of lactation were divided into three groups of six animals each and were fed 0, 50 and 100% diammonium phosphate (DAP) in the mineral mixture of concentrates for 120 days. The chaffed mixed roughage (berseem+wheat straw) and concentrate mixture was fed to supply about nearly 18: 82 concentrate to roughage ratio on dry matter basis. Tap water was available to the animals twice daily. A metabolism trial of seven days was conducted at the end of experiment to study digestibility of organic nutrients and balances of energy. DAP did not affect the nutrient intake, body weight changes, digestibility of Dry matter (DM), Crude protein (CP), Ether extract (EE), Crude fiber (CF), Nitrogen free extract (NFE) and daily milk yield. It was concluded that the at 46.07 Mcal Gross energy intake level the losses in feces, urine, methane and heat production was 45.82%, 5.40%, 4.31% and 33.01%, respectively, and net energy retention for milk production was 11.43%. The gross efficiency of conversion of metabolic energy ME for milk production was 35.69% and the net efficiency of conversion of ME for milk production was 39.56%.
 
Keyword(s): DIAMMONIUM PHOSPHATE, DIETARY ENERGY, CATTLE, MILK YIELD, GROSS ENERGY
 
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