Effect of Dietary Dried Rumen Content on Broiler Performance, Plasma Constituents and Carcass Characteristics.
Journal Title: Global Journal of Animal Scientific Research - Year 2015, Vol 3, Issue 3
Abstract
A study was conducted to assess the responses of broiler chicks to the inclusion of dried rumen content (DRC) on broiler diet. One hundred and fifty unsexed one day old chicks (Cobb) were distributed randomly to five treatments in a completely randomised design. The experimental diets were formulated to meet the nutrient requirements for broiler chicks with inclusion of DRC at different levels: 0 %, 5 %, and 10% without enzymes and two diets containing 5% and 10% DRC with enzymes (amylase, protase, xylanase, glucanase) represented by A, B, C, D and E respectively. Feed and water were provided ad-libitum. Weekly feed intake and body weight were recorded. Feed conversion ratio (FCR), protein intake and protein efficiency ratio (PER) were calculated. The experiment lasted for six weeks. Blood samples were taken from the jugular vein during slaughtering chicks. Plasma was obtained to determine glucose, cholesterol, total lipids, protein and calcium. Carcass weight and some internal organs were weighed. Sensory evaluations of meat were conducted. The results showed that an increased feed intake and growth rate by increasing the levels of DRC in the diets. FCR, PER and Dressing percentage was not affected (P>0.05) by dietary treatments. Treatments had no significant (P>0.05) effect on plasma glucose, cholesterol, Total lipids, protein and calcium. Gizzard weight and length of Ceacum increased by increasing DRC in the diets. The carcass quality of all treatments was similar in colour, flavor, tenderness, juiciness and acceptability. Broiler chicks can tolerate up to 10% DRC in the diets without adverse effect.
Authors and Affiliations
Mahmoud O. A. Elfaki, Khadiga A. Abdelatti, Huwaida E. E. Malik
Keywords
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