Protein requirements of castrated Beetal goat bucks

N. Singh, V. D. Mudgal

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Nine castrated Beetal goats were used in three groups of three animals fed 125% (A), 100% (B) and 75% (C) of the dietary digestable protein (DP) levels given in a standard for sheep. Energy level was kept constant at 100% of this standard in all three treatments. A Latin square switch-over design was followed, so that three metabolism trials were conducted with all nine animals. Average DM intakes per kg metabolic body weight (W0.75) were 42.6±0.4, 43.9±0.9 and 44.5±0.4 g in treatments A, B and C respectively (P<0.01). The corresponding metabolizable energy (ME) intakes per kg W0.75 were 115.7±1.0, 115.1±3.1 and 109.8±1.6 kcal, but there were no significant differences. The DP intakes per kg W0.75 were 4.0±0.1, 3.2±0.1 and 2.3±0.1 g in treatments A, B and C respectively, total protein (TP) intakes per kg W0.75 were 6.1±0.1, 5.1±0.1 and 3.9±0.1 g, and were significantly different (P<0.01). Digestibility coefficients of DM (69.1±1.0 to 76.4±0.7), OM (71.9±0.8 to 79.0±0.6), TP (58.2±1.1 to 66.4±1.9), ether extract (69.9±1.3 to 81.4±1.4), total carbohydrates (73.6±0.9 to 81.3±0.6) and acid detergent fibre (67.9±1.1 to 74.7±1.1) increased with increasing protein concentration of the diet. Average balances of nitrogen per kg W0.75 were +0.145±0.01, +0.068±0.01 and -0.023±0.03 g in treatments A, B and C respectively (P<0.01). Protein requirement as TP or DP for maintenance were 4.1 g and 2.6 g per kg W0.75 by the nitrogen balance method and 4.2 g and 2.5 g/kg W0.75 by the graphical method.

Original languageEnglish (US)
Pages (from-to)127-135
Number of pages9
JournalSmall Ruminant Research
Volume4
Issue number2
DOIs
StatePublished - Feb 1991

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Beetal
protein requirement
bucks
Goats
goats
nitrogen balance
protein intake
Proteins
proteins
acid detergent fiber
metabolizable energy
Nitrogen
dietary protein
ethers
energy intake
digestibility
carbohydrates
Dietary Proteins
sheep
metabolism

All Science Journal Classification (ASJC) codes

  • Food Animals
  • Animal Science and Zoology

Cite this

Protein requirements of castrated Beetal goat bucks. / Singh, N.; Mudgal, V. D.

In: Small Ruminant Research, Vol. 4, No. 2, 02.1991, p. 127-135.

Research output: Contribution to journalArticle

Singh, N. ; Mudgal, V. D. / Protein requirements of castrated Beetal goat bucks. In: Small Ruminant Research. 1991 ; Vol. 4, No. 2. pp. 127-135.
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