Effect of lablab and pigeon pea leaf meal supplementation on performance of goats fed a basal diet of haricot bean haulms
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An experiment was conducted to evaluate the effect of lablab and pigeon pea leaf supplementation on feed intake, digestibility, weight gain, and carcass characteristics of goats fed a basal diet of haricot bean haulms. Thirty-two yearling intact male goats with an average initial body weight of 14.4 ± 1.04 kg (Means ± SD) were assigned to one of the four treatments in a randomized complete block design. The dietary treatments were 17.5% lablab + 17.5% pigeon pea leaf + 63% wheat bran (T1), 35% pigeon leaf + 63% wheat bran (T2), 35% lablab leaf + 63% wheat bran (T3), and 88% wheat bran + 10% noug seed cake (T4). In addition, all treatment diets contained 1 and 1% limestone. The feeding trial lasted for 90 days followed by 7 days of digestibility trial. Carcass evaluation was conducted at the end of the feeding trial. Final body weight ranged from 16.3 kg for T4 to 21.1 kg for T3. The total dry matter (DM) intake for T3 was higher (P < 0.05) than T2 and T4. The total crude protein (CP) intake for T2 was greater (P < 0.05) than T3 and T4. Goats supplemented with T3 diets had the highest (P > 0.05) digestibility of DM, organic matter, and CP and attained the highest (P < 0.05) average daily gain, the heaviest (P < 0.05) hot carcass weight, and the highest (P < 0.05) rib-eye muscle area than those supplemented with T1, T2, and T4 diets. In conclusion, 35% lablab leaf meal and 63% what bran (T3) were found to be a very promising supplement in sheep fed low-quality crop residues under the condition of the current experiment.
KeywordsBody weight gain Digestibility Feed intake Forage legumes Woyto-Guji goats
We thank the financial support from Pastoral, Agro-pastoral and Emerging Regions Directorate of Southern Nations, Nationalities and Regional State. The corresponding author would like to thank the NORAD project for granting the research leave during the final write-up of the manuscript.
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Conflict of interest
The authors declare that they have no conflict of interest.
Statement of animal rights
The national guidelines for the care and use of animals have been followed.
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