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Swine Nutrition and Feed Technology
Asian-Australasian Journal of Animal Sciences 1999;12(7): 1080-1084.
DOI: https://doi.org/10.5713/ajas.1999.1080    Published online November 1, 1999.
Energy Balance by Carbon and Nitrogen Balance Technique in White Leghorn and Rhode Island Red Hens Fed Maize- and Broken Rice-Based Diets
S. B. Jadhao, C. M. Tiwari, Chandramoni, M. Y. Khan
Carbon (C) and nitrogen (N)balance technique was used to determine energy balance in Rhode Island Red (RIR) and White Leghorn (WL) laying hens fed maize-and broken rice (BR)- based diets. Carbon and nitrogen intake and outgo were determined for three days on ad libitum fed diets followed by 2/3 of ad libitum intake for next three days. Carbon analysis was done by using four `U` tubes in which carbon dioxide released during bomb calorimetry was absorbed on drierite in tube 1 and 2 whereas tube 3 and 4 contained sodalime self indicating granule. Carbon in CO2 was determined by an open circuit respiration system. Energy retention (E, kcal) was calculated as E + 12.386 C (g) - 4.631 N (g). By regressing metabolisable energy (ME) intake on energy balance, maintenance ME requirement of RIR was 128 whereas, that of WL hens was 144 kcal/kg W0.75 /d. Effciency of utilization of ME for maintenance from BR-based diet in RIR hens was equal but in WL hens it was 11% less than maize-based diet.
Keywords: Carbon. Nitrogen Balance; Maize and Broken Rice-Based Diet; RIR Hens; WL Hens; Maintenance ME Requirement
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