U. Abdullahi, J. T. Amodu, M. R. Hassan, A. M. Abdullahi, A. G. Bala, Y. M. Ishiaku, S. G. Salisu, A. Maidala, U. S. Jibril


A study was carried out to evaluate the effect of varying inclusion levels of Tephrosia bracteolata leaf meal (TLM) on nutrient digestibility and nitrogen balance in Red Sokoto bucks. Twelve (12) growing Red Sokoto bucks with average body weight of 14kg were used. The animals were randomly assigned to four (4) dietary treatments containing TLM at 0, 5, 10, and 15% levels of inclusion, respectively. The bucks were individually fed with concentrate diets at 2% body weight in a Completely Randomized Design for a period of 21 days with three replications, while maize stover was fed at 3% body weight. Digestibility coefficients of dry matter (67.06%), crude protein (70.91%), and crude fibre (62.12%) were significantly (P<0.05) higher in bucks fed diet containing 15% TLM compared to bucks on other treatments. The digestibility of ether extract and ash were above 60% and differed significantly (P<0.05) across the dietary treatments. Bucks fed diet containing 15% TLM inclusion level had 33.43% higher digestibility for nitrogen free extract compared to bucks on 0% (control diet). However, neutral detergent fibre (69.17%) digestibility coefficient in bucks fed the control diet was significantly (P<0.05) higher than bucks on other treatments. Also, animals fed diets containing 15% TLM inclusion level had significant higher (P<0.05) nitrogen absorbed (10.89g/day), nitrogen retained (8.40g/day), nitrogen retained as % intake (62.08%) and nitrogen absorbed as % intake (80.57%) compared to animals in other treatments. The results show that inclusion of Tephrosia Leaf Meal up to 15% level of in the diet of growing Red Sokoto bucks increased nutrient intake and digestibility; and nitrogen retention by 23, 19 and 32% respectively. It was therefore, recommended that farmers could incorporate Tephrosia bracteolata leaf meal in the diets of Red Sokoto bucks at 15% for better nutrient digestibility and nitrogen retention in Shika, Northern Guinea Savanna of Nigeria.


Tephrosia, Nutrient digestibility, Nitrogen balance, Red Sokoto bucks

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