象草基因型青贮饲料对羔羊组织组成和肉质的影响初探

IF 0.4 4区 农林科学 Q4 VETERINARY SCIENCES
L. Soares, A. Guim, A. Mello, M. Ferreira, M. Maciel, J.L. Silva, Pedro O. S. Vaz de Melo, T. Silva, C.J.P. Oliveira
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引用次数: 0

摘要

摘要本研究旨在评估含有象草基因型青贮饲料作为独家粗饲料的日粮对羔羊腿部组织组成和肉的理化特性的影响。24只平均初始体重为20.29±2.66kg的杂交雄羊羔采用完全随机设计,分三个处理和八个重复。处理包括三种象草基因型的青贮饲料(IRI-381、大象B或莫特),不添加添加剂或枯萎,作为唯一的粗饲料。日粮对干物质(898.70±60.10g/天)、粗蛋白(128.93±6.91g/天)、总可消化营养素(690.20±91.82g/天)摄入量、屠宰体重(24.83±2.79kg)、,不同基因型象草的胴体组织组成差异无显著性(P>0.05),羔羊肉理化特性差异无统计学意义(P>0.05)。因此,我们的研究结果表明,在生长60天时收获的含有50%象草基因型青贮饲料(IRI-381、大象B或莫特)的日粮具有用于羔羊饲养的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Potential of elephant grass genotypes silages as exclusive roughage on tissue composition and meat quality of lambs: a preliminary study
ABSTRACT This study aimed to evaluate the effects of diets containing elephant grass genotypes silages as exclusive roughage on leg tissue composition, and physicochemical characteristics of meat of lambs. Twenty-four crossbred male lambs with an average initial body weight of 20.29±2.66kg were distributed in a complete randomized design with three treatments and eight replicates. The treatments consisted of three silages of elephant grass genotypes (IRI-381, Elephant B or Mott), without additives or wilting, as the only roughage. The diets did not affect (P>0.05) the dry matter (898.70±60.10 g/day), crude protein (128.93±6.91g/day), total digestible nutrients (690.20±91.82g/day) intakes, body weight at slaughter (24.83±2.79kg), and carcass yields (P>0.05). The tissue composition of the leg did not differ significantly between silages of elephant grass genotypes (P>0.05). No difference (P>0.05) for the physicochemical characteristics of meat from lambs fed diets tested was observed. Therefore, our results indicate that diets containing 50% elephant grass genotypes silages (IRI-381, Elephant B or Mott), harvested at 60 days of growth, have potential for use in lambs feeding.
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来源期刊
CiteScore
0.80
自引率
25.00%
发文量
111
审稿时长
9-18 weeks
期刊介绍: Publica artigos originais de pesquisa sobre temas de medicina veterinária, zootecnia, tecnologia e inspeção de produtos de origem animal e áreas afins relacionadas com a produção animal. Atualmente a revista mantém 628 permutas (419 internacionais e 209 nacionais), sendo um verdadeiro suporte para o recebimento de periódicos pela Biblioteca da Escola. A partir de 1999, a Escola de Veterinária delegou à FEP MVZ Editora o encargo do gerenciamento e edição de todas suas publicações, inclusive do Arquivo, ficando somente com o apoio logístico (instalações, equipamentos, pessoal etc.). O apoio financeiro é exercido pelo CNPq/FINEP e pela própria FEP MVZ.
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