Effect of Guazuma ulmifolia tannins in the diet of Pelibuey lambs on animal performance and meat characteristics

IF 0.7 4区 农林科学 Q3 AGRONOMY Emirates Journal of Food and Agriculture Pub Date : 2023-08-16 DOI:10.9755/ejfa.2023.3138
Marco Antonio Ayala Monter, Omar Hernández Mendo, David Hernández Sánchez, Silvia López Ortiz, Gilberto Aranda Osorio, Ricardo Martínez Martínez
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Abstract

The objective of this experiment was to evaluate the response of animal performance and meat characteristics of Pelibuey lambs to tannins of Guazuma ulmifolia Lam. in the diet. Twenty-eight male Pelibuey lambs (initial body weight of 23.6 ± 1.0 kg; 5 months old) were randomly assigned to one of four treatments (T): T1, control (base diet); T2, diet 1.5% tannins; T3, diet 2.5% tannins; and T4, diet 1000 IU vitamin E. Vitamin E was used as a positive control treatment. The variables evaluated were daily weight gain (DWG), dry matter intake (DMI), feed conversion, and carcass and meat characteristics. The experimental design was completely randomized, and treatments means were compared with Tukey test (P<0.05). None of the evaluated variables were different between treatments (P>0.05), except meat color (P<0.05), with higher values of L*(34.88), a*(11.49), and b*(2.28) when tannins were added to the diet of the lambs, without affecting the dry matter intake. Including Guazuma ulmifolia foliage in sheep feeding could be a feasible alternative. Keywords: Carcass dressing; Guazuma; Meat quality; Pelibuey sheep; Tannin
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饲粮中添加枸杞单宁对Pelibuey羔羊生产性能和肉品质的影响
本试验旨在研究枇杷草鞣质对枇杷草羔羊生产性能和肉质特性的影响。在饮食方面。公绵羊28只(初始体重23.6±1.0 kg);5个月大的婴儿被随机分配到四种处理(T)中的一种:T1,对照组(基础日粮);T2,日粮单宁1.5%;T3,日粮单宁2.5%;和T4,饲粮1000iu维生素E,维生素E作为阳性对照治疗。评估的变量包括日增重(DWG)、干物质采食量(DMI)、饲料系数以及胴体和肉质特性。试验设计完全随机化,处理均数采用Tukey检验(P<0.05)。除肉色(P>0.05)外,其余评价变量在处理间均无差异(P>0.05),饲粮中添加单宁后,羔羊的L*(34.88)、a*(11.49)和b*(2.28)值较高,但不影响干物质采食量。在绵羊饲料中加入石榴叶可能是一种可行的替代方案。 关键词:胴体屠宰;Guazuma;肉的质量;Pelibuey羊;丹宁酸
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来源期刊
Emirates Journal of Food and Agriculture
Emirates Journal of Food and Agriculture AGRONOMYFOOD SCIENCE & TECHNOLOGY&nb-FOOD SCIENCE & TECHNOLOGY
CiteScore
1.80
自引率
0.00%
发文量
18
期刊介绍: The "Emirates Journal of Food and Agriculture [EJFA]" is a unique, peer-reviewed Journal of Food and Agriculture publishing basic and applied research articles in the field of agricultural and food sciences by the College of Food and Agriculture, United Arab Emirates University, United Arab Emirates.
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