Feed intake and digestibility co-efficient of West African Dwarf goats fed Bio-chemically treated Jatropha curcas kernel cake

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Date
2024
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Nigerian Society of Animal Production
Abstract
Jatropha curcas is high in protein with about 58.1 percent crude protein content and a rich source of essential amino acids, it would be an excellent feed resource for livestock if the antinutrients and toxicity level is drastically reduced. The toxicity is primarily due to the presence of phorbolesters which limits its use as an animal feed material. This study was aimed at evaluating the feed intake of West African Dwarf goats fed bio-chemically treated Jatropha curcas kernel cake included in a cassava-based diet. The biochemical method involves the use of Hydrogen peroxide with Iron (iii) oxide as catalyst as pre-treatment before the use of solid-state fermentation on the milled kernel cake. The inclusion level of the Jatropha curcas kerne cake in the diet are 6 perecent each of B (60mg H202/kg cake treated with Penicillum expansum) ,C 120mgH202/kg cake treated with Penicillum expansum), D (180mgH202/kg cake treated with Penicillum expansum) respectively with the control having 12% soybean. There was a significant difference in the dry matter intake (P<0.05) and other nutrient intake of animals in the treatment groups compared to those on the control diet. There was also a significant difference (P<0.05) in the nutrient digestibility and digestible nutrient intake of animals on the treatment compared to those on the control diet. The value of Dry Mater Intake ranged from 2050 to 2750g/d, the apparent dry matterdigestibility ranged from 97.07 to 97.81%, the Dry Matter Digestible Nutrient Intake ranged from 1989.90 to2690g/d, while the the average weight gain ranged from 1.60 to 3.64g/animal/day. There was no sign of toxicity observed during this study. The results of this study show that the bio-chemically treated Jatropha curcas kernel cake can be included in the diet of WAD goats without any toxic effect on the animals.
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