Arid
DOI10.1111/jpn.12344
Quality and fatty acid profile of the milk of indigenous goats subjected to different local diets in Tunisian arid lands
Ayeb, N.1,2; Addis, M.3; Fiori, M.3; Khorchani, S.1; Atigui, M.1; Khorchani, T.1
通讯作者Ayeb, N.
来源期刊JOURNAL OF ANIMAL PHYSIOLOGY AND ANIMAL NUTRITION
ISSN0931-2439
EISSN1439-0396
出版年2016
卷号100期号:1页码:101-108
英文摘要

The study tested the hypothesis that certain pastoral forages and olive by-products, available in arid areas, may positively influence fatty acid composition and physicochemical properties of goat’s milk. Thirty indigenous goats (body weight=25.2kg; age=4.1years) were allocated to three groups. During 60days, the goats received adlibitum either dried olive leaves+Stipa tenacissima (group OL), khortane grass hay (group Ko) or oat hay (control diet, group OH). Milk samples were collected and analysed for total solids, fat, protein, lactose and ash content and fatty acid profile. Average milk yield did not statistically differ among groups. Milk total solids from OL group were higher in comparison with Ko and C groups (15.3, 14.7 and 14.5%, respectively; p<0.05). Fat content was also higher for the OL group as compared to the other groups (5.44 vs. 5.01 and 4.66%, respectively, for Ko and OH). No significant differences were observed for the milk content of lactose, protein and ash. The percentage of saturated fatty acids of total milk fat was higher in OL and Ko groups compared to the C group (p<0.001); the milk whereof was characterized by the highest percentage of monounsaturated (p<0.01) and total unsaturated fatty acids. Milk fat of Ko and C groups showed significantly higher proportions of rumenic (CLA cis-9 trans-11) and vaccenic acids (C18:1 trans-11) compared to OL milk. The feeding system based on Stipa tenacissima and dried olive leaves resulted in the milk lowest proportion of trans-fatty acids and the highest proportion of polyunsaturated 3-fatty acids (p<0.05).


英文关键词arid land local resource goat production milk quality fatty acids
类型Article
语种英语
国家Tunisia ; Italy
收录类别SCI-E
WOS记录号WOS:000367827900014
WOS关键词CONJUGATED LINOLEIC-ACID ; EXTRUDED LINSEED ; BY-PRODUCTS ; OLIVE CAKE ; GRASS HAY ; SHEEP ; SUPPLEMENTATION ; FORAGES ; PERFORMANCE ; DIGESTION
WOS类目Agriculture, Dairy & Animal Science ; Veterinary Sciences
WOS研究方向Agriculture ; Veterinary Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/193987
作者单位1.Inst Arid Lands IRA Medenine, Lab Livestock & Wild Life, Medenine, Tunisia;
2.Inst Supr Agron, Sousse, Tunisia;
3.AGRIS Sardegna, Dept Anim Prod Res, Olmedo, Italy
推荐引用方式
GB/T 7714
Ayeb, N.,Addis, M.,Fiori, M.,et al. Quality and fatty acid profile of the milk of indigenous goats subjected to different local diets in Tunisian arid lands[J],2016,100(1):101-108.
APA Ayeb, N.,Addis, M.,Fiori, M.,Khorchani, S.,Atigui, M.,&Khorchani, T..(2016).Quality and fatty acid profile of the milk of indigenous goats subjected to different local diets in Tunisian arid lands.JOURNAL OF ANIMAL PHYSIOLOGY AND ANIMAL NUTRITION,100(1),101-108.
MLA Ayeb, N.,et al."Quality and fatty acid profile of the milk of indigenous goats subjected to different local diets in Tunisian arid lands".JOURNAL OF ANIMAL PHYSIOLOGY AND ANIMAL NUTRITION 100.1(2016):101-108.
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