Effect of coconut processing by-product graded feeding on carcass traits and meat quality of lambs

IF 7.1 1区 农林科学 Q1 Agricultural and Biological Sciences
Felipe J.S. Silva , Dorgival M. Lima Júnior , Beatriz D.O. Fernandes , Anaiane P. Souza , Susana P. Alves , Rui J.B. Bessa , Francisco F.R. Carvalho , Ariosvaldo N. Medeiros
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引用次数: 0

Abstract

The inclusion of by-product coconut mesocarp skins (CMS) in diets was evaluated in feedlot lambs. The objective of this study was to evaluate CMS levels effects on carcass traits and meat quality of lambs. Thirty-five male lambs with an initial body weight of 16.9 ± 2.93 kg were distributed in a completely randomized design with five CMS levels in total dry matter (0; 4.8; 9.6; 14.4 and 19.2%) and fed during 71 d until slaughter. High levels of CMS decreased the intake of dry matter and negatively affected the performance of lambs. Fat and protein contents of Longissimus lumborum muscle (P < 0.05) and the saturated fatty acid (FA) decreased (P < 0.001) whereas polyunsaturated FA increased (P < 0.01) with the inclusion of CMS. The ratio t10/t11–18:1 increased with the inclusion of CMS (P < 0.001). The instrumental color descriptors were unaffected by CMS levels. According to the effects on the investigated meat quality traits we recommend up to 4.8% CMS in diets of confined lambs.

椰子加工副产品分级饲喂对羔羊胴体特征和肉质的影响
本研究对饲养场羔羊日粮中添加副产品椰子中果皮(CMS)的情况进行了评估。本研究的目的是评估 CMS 水平对羔羊胴体性状和肉质的影响。将初始体重为 16.9 ± 2.93 千克的 35 只雄性羔羊按完全随机设计的方法进行饲养,并在 71 天内饲喂五种不同水平的 CMS(总干物质含量分别为 0;4.8;9.6;14.4 和 19.2%),直至屠宰。高水平的 CMS 会降低干物质的摄入量,并对羔羊的生产性能产生负面影响。腰长肌的脂肪和蛋白质含量(P
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来源期刊
Meat Science
Meat Science 工程技术-食品科技
CiteScore
12.60
自引率
9.90%
发文量
282
审稿时长
60 days
期刊介绍: The aim of Meat Science is to serve as a suitable platform for the dissemination of interdisciplinary and international knowledge on all factors influencing the properties of meat. While the journal primarily focuses on the flesh of mammals, contributions related to poultry will be considered if they enhance the overall understanding of the relationship between muscle nature and meat quality post mortem. Additionally, papers on large birds (e.g., emus, ostriches) as well as wild-captured mammals and crocodiles will be welcomed.
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