猪脂肪组织的特性和质量。非遗传变异因素

IF 0.6 4区农林科学 Q3 Agricultural and Biological Sciences

Inra Productions Animales Pub Date : 2020-07-02 DOI:10.20870/PRODUCTIONS-ANIMALES.1998.11.2.3925

B. Lebret, J. Mourot

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引用次数: 11

摘要

在生猪生产中，遗传选择和饲养条件极大地改善了体成分，使其朝着更高的瘦肉含量和更低的脂肪沉积的方向发展。然而，已经观察到脂肪组织质量的退化。由于脂肪组织质量很难通过工艺处理来改善，因此在很大程度上取决于屠宰时脂肪组织的特性，而这些特性又受饲养和遗传因素的影响。脂肪的营养、感官和工艺品质是由组织化学成分决定的:脂质和水分含量、结缔组织的特性和脂肪酸组成。因此，任何改变脂肪组织组成的内在或外在因素都会影响脂肪质量。因此，解剖位置、胴体脂肪、性别、饲养水平、饲料中的脂肪酸组成、维生素E或矿物质的补充、生长促进剂(pST、β激动剂)和环境温度已被证明会影响脂肪组织性状。饲养因素对猪脂肪组织组成和品质的影响已经得到了很好的证实。因此，猪油质量的控制现在是可以实现的，并且主要取决于在生猪生产的总成本中给予质量的相对重要性。

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Caractéristiques et qualité des tissus adipeux chez le porc. Facteurs de variation non génétiques

In pig production, genetic selection and rearing conditions have greatly improved body composition towards a higher lean meat content and a lower fat deposition. However, a degradation of adipose tissue quality has been observed. Because fat tissue quality can hardly be improved by technological processing, it depends strongly on adipose tissue characteristics at slaughter, which are influenced by rearing and genetic factors. Nutritional, sensory and technological fat qualities are determined by tissue chemical compositionn: lipid and water contents, characteristics of connective tissue, and fatty acid composition. Therefore, any intrinsic or extrinsic factor that alters the composition of adipose tissues influences fat quality. Thus, anatomical location, carcass fatness, sex, feeding level, fatty acid composition of the diet, supplementation with vitamin E or minerals, growth promotants (pST, beta-agonists), and environmental temperature have been shown to influence fatty tissue traits. Effects of rearing factors on composition and quality of pig adipose tissue are now well established. Thus, control of pig fat quality is now attainable, and depends mainly on the relative importance given to quality in the overall cost of pig production.

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来源期刊

Inra Productions Animales Multiple-

CiteScore

1.30

自引率

33.30%

发文量

审稿时长

>36 weeks

期刊介绍： This journal publishes scientific update reports, results of experiments and their possible applications, analyses on topical issues and presentation of research, information on scientific events and new publications. INRA Productions Animales deals with all species of zootechnical interest (herbivores, monogastrics and fish), covering feed and nutrition, physiology, pathology, genetics, production techniques, product quality and production economics.