Fatty acid content of Creole-Nubia goat milk with different seasonal diets in an intensive feeding system in an arid region

IF 0.5 4区农林科学 Q4 AGRONOMY

Revista De La Facultad De Agronomia De La Universidad Del Zulia Pub Date : 2023-02-17 DOI:10.47280/revfacagron(luz).v40.n1.08

R. Ortega-Pérez, E. Toyes-Vargas, J. Espinoza-Villavicencio, A. Palacios-Espinosa, Juan J. Montes-Sánchez, B. Murillo-Amador

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Abstract

The objective is to determine the seasonal-diet effect (dry, rainy) on goats’ milk fatty acid profile reared on a farm with an intensive production system located in an arid zone of Mexico. In the rainy season, a group of 10 goats, Creole × Anglo-Nubian, consumed a diet composed exclusively of alfalfa hay (Medicago sativa). Meanwhile, in the dry season, a similar goat group ate a mixture of corn (Zea mays) and sorghum grains (Sorghum bicolor), and buffel grass hay (Cenchrus ciliaris) in a 1:1:1 ratio. The goats were between 90 and 180 days of lactation. The saturated, monounsaturated, polyunsaturated, and branched-chain fatty acids in milk were measured. The rainy-season milk showed a higher content of fatty acids; however, the contents of most types of fatty acids were not significant between seasons, except for the polyunsaturated (18:2 n-6, -linoleic acid) and highly unsaturated fatty acids (arachidonic, eicosapentaenoic, and docosahexaenoic acid).

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干旱区不同季节日粮集约饲养体系下克里奥尔-努比亚羊奶脂肪酸含量的研究

目的是确定季节性饮食(干燥、雨季)对墨西哥干旱地区一个集约化生产体系农场饲养的羊奶脂肪酸分布的影响。在雨季，一组10只山羊，克里奥尔山羊和盎格鲁-努比亚山羊，只吃苜蓿干草(Medicago sativa)。与此同时，在旱季，一个类似的山羊群体以1:1:1的比例吃玉米(Zea mays)和高粱(sorghum bicolor)的混合物，以及水牛干草(Cenchrus ciliaris)。这些山羊处于哺乳期90至180天之间。测定了牛奶中的饱和脂肪酸、单不饱和脂肪酸、多不饱和脂肪酸和支链脂肪酸。雨季牛奶的脂肪酸含量较高;除多不饱和脂肪酸(18:2 n-6、-亚油酸)和高度不饱和脂肪酸(花生四烯酸、二十碳五烯酸和二十二碳六烯酸)外，其余脂肪酸的含量在季节间无显著差异。

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来源期刊

Revista De La Facultad De Agronomia De La Universidad Del Zulia AGRONOMY-

CiteScore

0.50

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： La Revista de la Facultad de Agronomía de la Universidad del Zulia publica artículos científicos, notas técnicas, comunicaciones rápidas y artículos invitados originales e inéditos, es decir, que no hayan sido publicados ni enviados simultáneamente a otra revista para su publicación, de autores interesados en el campo agrícola vegetal y agrícola animal. De presentarse el caso que el autor o autores hubiesen enviado o publicado su manuscrito simultáneamente en otra revista, podrán ser sancionados con la no publicación en esta revista por tiempo indefinido. Se admiten manuscritos escritos en idioma Español, Portugués o Inglés, con un resumen en Español o Portugués y otro en Inglés (Abstract).