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添加新鲜柑橘果肉对育肥牛生长性能和肉质的影响。

Effect of Fresh Citrus Pulp Supplementation on Animal Performance and Meat Quality of Feedlot Steers.

作者信息

Luzardo Santiago, Banchero Georgget, Ferrari Virginia, Ibáñez Facundo, Roig Gonzalo, Aznárez Valentín, Clariget Juan, La Manna Alejandro

机构信息

Programa de Producción de Carne y Lana y Plataforma Agroalimentos, Instituto Nacional de Investigación Agropecuaria (INIA), Estación Experimental INIA Tacuarembó, Ruta 5 km 386, Tacuarembó 45000, Uruguay.

Programa de Producción de Carne y Lana, Instituto Nacional de Investigación Agropecuaria (INIA), Estación Experimental INIA La Estanzuela, Ruta 50 km 11, Colonia 70000, Uruguay.

出版信息

Animals (Basel). 2021 Nov 23;11(12):3338. doi: 10.3390/ani11123338.

Abstract

The use of fruit by-products such as citrus pulp represents a feeding ingredient that deserves to be evaluated as an energy source in animal rations. Thirty-six British breed steers were allotted to one of the three feeding treatments (12 steers/treatment): 0%, 15% and 30% of fresh citrus pulp inclusion in the ration in a randomized complete block design to evaluate animal performance and carcass and meat quality traits. In the present study, the inclusion of fresh citrus pulp up to 30% of the diet did not affect the animal average daily gain ( > 0.05) but steers that were fed the pulp consumed less feed ( < 0.05) and presented a lower feed conversion ratio ( < 0.05) than their counterparts without citrus pulp in their diet. No effect of fresh citrus pulp was observed on carcass and meat quality ( > 0.05). A greater lipophilic antioxidant capacity ( < 0.05) in meat was observed when fresh citrus pulp was offered at 15% of the diet. Fresh citrus pulp used up to 30% as a feed ingredient in feedlot rations does not negatively affect animal performance or meat quality but, rather, has a positive effect on dry matter intake and a better feed conversion ratio.

摘要

使用柑橘果肉等水果副产品作为饲料成分,值得作为动物日粮中的能量来源进行评估。36头英国品种的阉牛被随机分配到三种饲养处理中的一种(每组12头):日粮中新鲜柑橘果肉的添加比例分别为0%、15%和30%,采用随机完全区组设计来评估动物性能、胴体和肉质性状。在本研究中,日粮中新鲜柑橘果肉添加量高达30%时,对动物平均日增重没有影响(P>0.05),但与日粮中不添加柑橘果肉的阉牛相比,采食柑橘果肉的阉牛采食量减少(P<0.05),饲料转化率更低(P<0.05)。未观察到新鲜柑橘果肉对胴体和肉质有影响(P>0.05)。当新鲜柑橘果肉在日粮中的添加比例为15%时,肉中的亲脂性抗氧化能力更强(P<0.05)。在育肥牛日粮中,新鲜柑橘果肉作为饲料成分使用量高达30%时,不会对动物性能或肉质产生负面影响,反而对干物质采食量有积极影响,并能提高饲料转化率。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6728/8698122/f8478e846fe7/animals-11-03338-g001.jpg

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