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Effects of Fermented Navel Orange Pulp on Growth Performance, Carcass Characteristics, Meat Quality, Meat Nutritional Value, and Serum Biochemical Indicators of Finishing Tibetan Pigs

文献类型： 外文期刊

作者： Xu, Chuanhui 1 ; Xiong, Pingwen 1 ; Song, Wenjing 1 ; Song, Qiongli 1 ; Hu, Yan 3 ; Song, Tongxing 4 ; Ji, Huayuan 1 ; Chen, Xiaolian 1 ; Zou, Zhiheng 2 ;

作者机构： 1.Jiangxi Acad Agr Sci, Inst Anim Husb & Vet Sci, Nanchang 330200, Peoples R China

2.Jiangxi Prov Key Lab Green & Hlth Breeding Livesto, Nanchang 330200, Peoples R China

3.Gannan Acad Sci, Inst Anim Sci & Fisheries, Ganzhou 341401, Peoples R China

4.Huazhong Agr Univ, Coll Anim Sci & Technol, Wuhan 430070, Peoples R China

关键词： fermented navel orange pulp; growth performance; carcass characteristics; meat quality; meat nutritional value; serum biochemical indicators; finishing Tibetan pigs

期刊名称：FOODS （ 影响因子：4.7； 五年影响因子：5.1 ）

ISSN：

年卷期： 2024 年 13 卷 12 期

页码：

收录情况： SCI

摘要： In order to cope with the limited supply of feed for global animal production, there is a pressing need to explore alternative feed resources. Orange pulp, a by-product of agriculture and industry, has shown potential to positively or neutrally impact pig productive performance when included in their diet. However, there is a lack of research on the effects of fermented navel orange pulp (FNOP) on pig growth and productive performance. This study aimed to investigate the effects of FNOP as a dry matter substitute on pig's growth performance, carcass characteristics, meat quality, meat nutritional value, and serum biochemical indicators. The experiment involved 128 finishing Tibetan pigs, divided into four feed treatment groups, with varying levels (0%, 5%, 10% and 15%) of FNOP replacing dry matter in the basal diet. The results indicate that substituting 5% to 15% FNOP had no adverse effects on pig growth performance. However, at a 15% substitution rate, there was a decrease in serum growth hormone and IGF-1 levels, along with an increase in the feed-to-gain ratio. A 10% FNOP replacement notably increased the loin-eye muscle area of pigs. Additionally, 5% and 10% FNOP substitutions reduced the drip loss of pork. The study also found that substituting 5% to 15% FNOP increased unsaturated fatty acids and umami nucleotide contents in pork and raised serum total protein and uric acid (nucleotide-metabolism-related product) levels. These findings suggest that moderate FNOP substitution might improve meat quality, nutritional value, and maintain growth and productive performance in Tibetan pigs by improving protein synthesis and nucleotide metabolism, while also reducing feed costs. The optimal substitution ratio identified was 10%.

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