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保护性脂肪补充剂对奶用骆驼产奶量、奶品质及脂肪酸谱的影响:奶用骆驼的保护性脂肪补充剂

The Use of Protected Fat Supplement on Milk Production, Quality and Fatty Acid Profiles in Dairy Camels: Protected Fat Supplement of Dairy Camel.

作者信息

Mohammadabadi Tahereh, Chaji Morteza, Hoseini Somayeh, Davar Siamak Amin

机构信息

Department of Animal Science, Faculty of Animal Science and Food Technology, Agricultural Sciences and Natural Resources University of Khuzestan, Mollasani, Ahvaz, Iran.

出版信息

Vet Med Sci. 2025 May;11(3):e70351. doi: 10.1002/vms3.70351.

Abstract

This experiment was conducted to investigate the effect of the protected fat supplement of unsaturated fatty acids in dairy camels. Twenty-eight Arab camels were fed with control diet and diets containing linolenic acid (omega-3). The obtained results were analysed as a completely randomized design. Milk production, fat, protein and the antioxidant activity of raw milk increased by using protected fat, but ash, solids and density decreased (p < 0.05). Fat, protein, density and the antioxidant activity of fermented milk of camels increased, but solids and lactose decreased (p < 0.05). The total microbial load and population of moulds in raw and fermented milk of camels fed with protected fat decreased (p < 0.05), but the population of Lactobacillus increased (p < 0.05). The concentration of unsaturated fatty acids C18:1, C18:2 and C18:3 and conjugated linoleic acid (CLA) increased (p < 0.05). Therefore, it may be possible to use omega-3 protected fat supplementation of 80 g per day in dairy camels feeding in the desert.

摘要

本实验旨在研究在奶用骆驼中添加不饱和脂肪酸保护脂肪的效果。28头阿拉伯骆驼分别饲喂对照日粮和含亚麻酸(ω-3)的日粮。所得结果采用完全随机设计进行分析。使用保护脂肪后,原奶的产奶量、脂肪、蛋白质和抗氧化活性增加,但灰分、固形物和密度降低(p<0.05)。骆驼发酵乳的脂肪、蛋白质、密度和抗氧化活性增加,但固形物和乳糖降低(p<0.05)。饲喂保护脂肪的骆驼原奶和发酵乳中的总微生物负荷及霉菌数量减少(p<0.05),但乳酸菌数量增加(p<0.05)。不饱和脂肪酸C18:1、C18:2和C18:3以及共轭亚油酸(CLA)的浓度增加(p<0.05)。因此,在沙漠地区奶用骆驼的饲养中,每天添加80克ω-3保护脂肪可能是可行的。

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本文引用的文献

1
Omega-3 polyunsaturated fatty acid biomarkers and risk of type 2 diabetes, cardiovascular disease, cancer, and mortality.
Clin Nutr. 2022 Aug;41(8):1798-1807. doi: 10.1016/j.clnu.2022.06.034. Epub 2022 Jun 30.
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Effects of vegetable oil supplementation on rumen fermentation and microbial population in ruminant: a review.
Trop Anim Health Prod. 2021 Jul 31;53(4):422. doi: 10.1007/s11250-021-02863-4.
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Influence of rumen bypass fat supplementation during early lactation in tropical crossbred dairy cattle.
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