Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Empirical Evaluation and Prediction of Protein Requirements for Maintenance and Growth of 18-24 Months old Thai Swamp Buffaloes

Version 1 : Received: 22 January 2021 / Approved: 25 January 2021 / Online: 25 January 2021 (09:23:11 CET)

How to cite: Paengkoum, S.; Tatsapong, P.; Taethaisong, N.; Sorasak, T.; Purba, R.A.P.; Paengkoum, P. Empirical Evaluation and Prediction of Protein Requirements for Maintenance and Growth of 18-24 Months old Thai Swamp Buffaloes. Preprints 2021, 2021010460 (doi: 10.20944/preprints202101.0460.v1). Paengkoum, S.; Tatsapong, P.; Taethaisong, N.; Sorasak, T.; Purba, R.A.P.; Paengkoum, P. Empirical Evaluation and Prediction of Protein Requirements for Maintenance and Growth of 18-24 Months old Thai Swamp Buffaloes. Preprints 2021, 2021010460 (doi: 10.20944/preprints202101.0460.v1).

Abstract

Interpretation of increased gain in the bovine animals is difficult to be validated due to inherent genetic variation to meet their requirement for energy and protein, and those may relate to the bull species, e.g., Thai swamp buffalo. Therein, the study aimed at investigating and predicting protein requirement systems, with providing abundant energy intake 2.20 Mcal/kg DM for maintenance and growth of Thai swamp buffaloes using the comparative prolonged feeding trial for 90 days. Sixteen bull Thai swamp buffaloes at the initial (Age: 18-24 months; BW: 233 ± 25.0 kg) were as-signed into four treatment groups, four buffaloes each, fed 5.42, 6.96, 8.94, and 10.71% DM crude protein (CP). CP intake, BW, and physiological fluid were determined. The net CP requirements for maintenance and growth of Thai swamp buffaloes were 5.41 g CP/kg W0.75 and 0.46 g CP/g average daily gain (ADG), respectively. Our results indicated that CP requirement increases, when BW increases. An increased dietary CP resulted in an increased number at blood urine nitrogen (N), N absorption, total volatile fatty acid, urinary purine derivative, and the microbial N. Notably, the net CP requirement for growth of Thai swamp buffalo was higher than it reported in NRC, but the maintenance was lower.

Subject Areas

feeding trial; growth; maintenance; nutrient evaluation; protein utilization; Thai swamp buffalo

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