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Impact of Acids Treatment on Degradation Degree and Coefficient of Laboratory Digestion for Fish Meal in The Ruminant's Diets | ||
| Journal of Tikrit University For Agriculture Sciences | ||
| Article 1, Volume 18, Issue 1, 2018, Pages 156-165 | ||
| Authors | ||
| Jamal Abdulrahman Tawfeeq; Tahir A. Shjaa; Amal A. Manaf | ||
| Abstract | ||
| We used acids that are already in the body of ruminants to increase the degradation of fish meal in the rumen and using in the fattening diets. The study included five treatments: Untreated fresh fish powder, the treatment of Glacial acetic acid, the treatment of natural vinegar, the treatment of hydrochloric acid were used three concentrations of acids are 0.1, 0.2 and 0.3 Molar at the rate of 1: 1 (fish w : v acid), and the fifth-treatment was the treatment of SBM used in the in-vitro digestion to compare the digestibility as dry and organic matter. We used cheap Khushani fish supplied from local markets known as Zori, Abu Chrizh. The results showed a decrease in ether extract content (P <0.01) when treated with acids and an increase in ash content (P <0.01) by power of acids in analysis of fish skeleton. Total soluble nitrogen and nitrogen as true protein were increased (P<0.01) without effected on non-protein nitrogen (NPN). As it is shown from in-vitro digestibility for fish meal treated with or without acids when substituted with soybean meal in ruminant diets significant increases (P<0.01) for in-vitro digestion of organic matter comparing with non-treated and there were no effects on dry matter digestibility. | ||
| Keywords | ||
| vitro digestibility; fish meal; acids; soluble N | ||
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