Effect of Increasing Levels of Energy and Protein Supplementation on Feed Intake and Body Weight Change of Black Head Somali Sheep Fed on Natural Grass Hay

Authors

  • Wogenie Birhanie Aklil Ethiopian Institute of Agricultural Research (EIAR), Debre Zeit Agricultural Research Center, P.O. Box: 32, Bishoftu, Ethiopia

Keywords:

Body Weight Gain, CP, Intake, ME, Sheep

Abstract

The experiment was conducted to assess the effect of increasing levels of protein and energy supplements on feed intake and body weight change of Black Head Somali sheep. A randomized complete block design was employed with 5 treatments and 6 blocks.  The average initial weight of the yearling experimental sheep was 22.19 ± 0.21 kg. The supplement feed was formulated from groundnut cake, brewery dried grain, and wheat bran; taking grass hay as a basal diet. The experimental period lasted for 90 days which was preceded by two weeks of adaptation period. The CP and ME content of grass hay in the study was 9.1% and 8.3 MJ /kg DM, respectively. Higher total CP intake (TCPI) total estimated ME intake (TEMEI) and average daily body weight gain (ADBWG) were recorded (P<0.01) with increasing levels of supplementation. There was a positive and high correlation between intake variables (DMI, EMEI, and CPI) and ADBWG. Marginal rate of return (MRR) was recorded at 11.04, 3.29, 3.42, and -0.317 for T2, T3, T4, and T5, respectively. This indicates that the higher level of energy and protein supplementation has a negative value for MRR. Thus, T4 had a higher net return and was economically viable than the other treatments.

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Published

31-01-2024

How to Cite

Aklil, W. B. (2024). Effect of Increasing Levels of Energy and Protein Supplementation on Feed Intake and Body Weight Change of Black Head Somali Sheep Fed on Natural Grass Hay. International Journal of Livestock Research, 14(1), 46–55. Retrieved from https://ijlr.org/ojs_journal/index.php/ijlr/article/view/213

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