Choline Supplementation in Diets with Different Levels of Methionine on Fat Metabolism in Quail during the Production Period
Choline Supplementation in Diets with Different Levels of Methionine on Fat Metabolism in Quail during the Production Period
Khairani1*, Komang Gede Wiryawan2, Sumiati2, Ridho Kurniawan Rusli3
ABSTRACT
This study aimed to assess the effectiveness of choline chloride supplementation in the diet to reduce DL-Methionine use and evaluate the fat metabolism of laying quail. This study involved 180 quails, 42 days old, which were kept for eight weeks. A 2 × 3 factorial completely randomized design (CRD) with three replicates was used. Different amounts of choline chloride were added (A1: no choline chloride and A2: 1500 ppm choline chloride supplementation). Methionine was added to the feed in three different ways (B1: low methionine (0.19%), B2: standard methionine (0.79%), and B3: high methionine (1.05%). The observed variables were liver fat, kidney fat, abdominal fat, blood lipids (total cholesterol, triglyceride, and serum HDL), and egg chemical quality (cholesterol and yolk fat). The results showed that choline chloride and methionine supplementation significantly (P<0.05) decreased liver fat and significantly (P<0.01) decreased abdominal fat in laying quail. Kidney fat, blood lipids (total cholesterol, triglyceride, and serum HDL), and quail’s egg chemical quality (cholesterol and yellow fat) were unaffected by choline chloride and methionine supplementation. This study concludes that choline chloride supplementation of 1500 ppm in quail rations containing sufficient methionine (0.79%) can reduce liver fat and abdominal fat.
Keywords | Blood lipids, Choline chloride, Fat liver, Methionine, Quail, Yolk
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