Abstract
Digestibility trial of Cattle hoof waste subjected to five processing methods was conducted on Clarias gariepinus juveniles. A reference diet 70 % and test diet 30 % was formulated with chromic oxide biomarker. Feed and feacal samples collected at 8h interval after feeding were analysed for proximate parameters and digestibility coefficient calculated. There was significant difference (P < 0.05) among treatments crude protein digestibility was highest in Reference diet (88.26 ± 0.04) < soda ash diet (87.49 ± 0.04) < fermented diet (82.15 ± 0.10) < wood ash diet (81.26 ± 0.03) < raw hoof diet (79.57 ± 0.05) and lowest in Autoclaved diet (77.69 ± 0.02). Nutrient digestibility also showed significant difference (P < 0.05) among treatments with highest values for soda ash diets parameters and least protein nutrient in autoclaved diet (58.99±0.08 ); fat, dry matter and energy nutrient in raw hoof diet (56.41 ± 3.49; 23.39 ± 0.16; 25.71 ± 0.75). This study concludes that Clarias gariepinus juveniles can be fed soda ash treated cattle hoof waste.
Highlights
Studying the digestibility of new feed ingredient in animal nutrition is in order to make recommendation for optimal inclusion in animal diet. Falaye A
Cattle and pig hoof has been used in the nutrition of poultry (Wagner & Elvehjem, 1942; 1943; Slinger et al, 1944; Qureishi et al, 1962) while there is dearth of information on the digestibility of this rich protein keratin source in aquaculture nutrition to justify for its inclusion as a dietary protein source
The objective of this study is to assess the digestibility of Cattle hoof meal on Clarias gariepinus juvenile
Summary
Studying the digestibility of new feed ingredient in animal nutrition is in order to make recommendation for optimal inclusion in animal diet. Falaye A. Studying the digestibility of new feed ingredient in animal nutrition is in order to make recommendation for optimal inclusion in animal diet. E. (1992) stated that utilization of crop and animal by-product which are inexpensive will reduce cost of nutritive high value feed, increase fish production and farmers profit. Cattle and pig hoof has been used in the nutrition of poultry (Wagner & Elvehjem, 1942; 1943; Slinger et al, 1944; Qureishi et al., 1962) while there is dearth of information on the digestibility of this rich protein keratin source in aquaculture nutrition to justify for its inclusion as a dietary protein source. The objective of this study is to assess the digestibility of Cattle hoof meal on Clarias gariepinus juvenile
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