Effect of replacing soybean meal with different levels of processed droppings meal on carcass and meat quality of spent layers

Meat Research Pub Date : 2023-08-30 DOI:10.55002/mr.3.4.64
ES Apata, SA Ajagbe, SA Olanloye, OO Olaleye, DB Oke, MA Hashem
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Abstract

This study investigated the effect of feeding diets containing layers droppings meal in replacement of soybean meal on carcass and meat quality of spent Silver Brown layers. A total of 105 chickswere purchased from avian specialist hatchery at Ibadan, Oyo state and reared on the Teaching and Research Farm of Olabisi Onabanjo University, Ayetoro Campus. They were fed Animal Care Konsult® concentrate up to point of lay and were allotted to 5 treatments and placed on basal diet T0=0% dried layers dropping meal (DLDM) the test diets T1=25% DLDM, T2=50% DLDM, T3=75% DLDM and T4=100% DLDM inclusion with 3 replicates of 7 birds per replicate. At the end of 18 months lay, 15 birds from each treatment were randomly selected and slaughtered. Carcass and meat characteristics were determined in a completely randomized design experiment and data analysed at p=0.05. Birds fed T1 furnished higher dressing percentage (72%), cut-up parts, cooking yield (90.41%), crude protein (21.6%) andorganoleptic properties, while cooking and drip losses as well as thermal and cold shortenings were lower compared to other treatments. It was concluded that diet T1 (25% DLDM) inclusion was better and was recommended.
用不同水平的粪粕替代豆粕对废蛋鸡胴体和肉品质的影响
本试验研究了饲粮中添加蛋鸡粪粕替代豆粕对废银褐蛋鸡胴体和肉品质的影响。总共105只小鸡是从奥约州伊巴丹的鸟类专业孵化场购买的,并在奥拉比西奥纳班乔大学阿耶托罗校区的教学和研究农场饲养。试验饲粮分别为T0=0%干蛋鸡投饲(DLDM)、T1=25% DLDM、T2=50% DLDM、T3=75% DLDM和T4=100% DLDM,每个重复3个重复,每个重复7只鸡。产蛋18个月后,每组随机选取15只鸡屠宰。采用完全随机设计试验测定胴体和肉质性状,p=0.05进行数据分析。饲喂T1的肉鸡屠宰率(72%)、切肉率、蒸煮率(90.41%)、粗蛋白质(21.6%)和感官性能均高于其他处理,蒸煮损失和滴漏损失以及热、冷缩短均低于其他处理。综上所述,饲粮T1 (25% DLDM)的添加效果较好,值得推荐。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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