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The Effect of Flushing with Fatty Acid Supplementation (DHA and EPA) in Ewes Ration on Folliculogenesis
Aeni Nurlatifah (a*), Lilis Khotijah (a), Kokom Komalasari(a), Dewi Apri Astuti (a)

a) Faculty of Animal Science, IPB University, Bogor 16680 Indonesia


Local sheep have some traits, among of them is prolific or the ability to breed have high litter size, but this prolific nature is often not expressed. Flushing is one of reproduction program where the animal should give good quality diet for improving the BCS. Poly unsaturated fatty acid, especially linolenic acid (omega 3) like EPA and DHA have a major impact on reproductive performance. The aim of this study is to evaluate the effect of flushing with different fatty acids (DHA and EPA) from lemuru fish oil in the rations of local sheep on folliculogenesis. Sixteen ewes divided into 4 groups fed rations T0 = Basal ration; T1 = Flushing rations containing linoleic without enriched EPA and DHA; T2 = Flushing rations containing linoleic enriched with EPA and DHA, according to maintenance requirements; T3 = Flushing rations containing linoleic enriched with EPA and DHA with two times from maintenance requirement. Ratio forages and concentrate in the ration are, 30:70%. The parameter observed are BWG, BCS, nutrient consumption, corpus luteum, diameter and amount of follicel, blood cholesterol, blood glucose, The data obtained are analyzed by analysis of variance (ANOVA) follow by Duncan Test. The results showed that the treatments did not significantly affect to the consumptions of dry matter, protein, fiber and TDN, except to the fat consumptions (P < 0.05). Even though the body condition score (BCS), average daily gain (ADG), and feed efficiency (FE) was not significantly different in all treatments. Flushing treatment for 3 weeks increased BCS to 0.75 – 0.87. The number of large follicel , the diameters of large follicel and corpus luteum were not significantly different in all treatments. Plasma glucose and cholesterol concentrations during flushing period significantly different (P < 0.05) among all treatments. The cholestrol in flushing treatment is important as precursor for improving reproductive system. Plasma glucose also important as energy source during pregnancy. It was concluded that flushing diet with high EPA and DHA increased BCS, cholesterol and glucose concentration, but still not improved the number and diameter of follicel.

Keywords: BCS, DHA, EPA, flushing, and follicel

Topic: Animal Nutrition, Animal Production, and Veterinary Science


Conference: The 2nd International Conference on Food and Agriculture (ICoFA 2019)

Plain Format | Corresponding Author (aeni nurlatifah)

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