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Effect of Sauropus Androgynus (Katuk) Extract on Egg Production and Lipid Metabolism in Layers |
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U. Santoso, J. Setianto, T. Suteky |
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| Abstract |
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The present study was conducted to evaluate effect of Sauropus androgynus extract (SAE) on egg production and lipid metabolism in layer chickens. Forty-eight layers aged 42 weeks (strain RIR) were distributed to 6 treatment groups as follows. One group was fed diet without SAE as the control (P0), and other five groups were fed diet plus hot water-extracted SAE at level of 9 g/kg diet (W9), diet plus ethanol extracted SAE at level of 0.9 g/kg diet (E0.9), diet plus ethanol extracted SAE at level of 1.8 g/kg (E1.8), diet plus methanol extracted SAE at level of 0.9 g/kg (M0.9), and diet plus methanol extracted SAE at level of 1.8 g/kg (M1.8). It was shown that SAE inclusion significantly increased egg production (p<0.05). Methanol-extracted SAE groups had lower egg production than ethanol-extracted SAE group (p<0.05). SAE supplemented groups had better feed conversion efficiency than the unsupplemented group (p<0.05). It was shown that ethanol extracted SAE resulted in the lowest feed conversion efficiency among the SAE supplemented groups (p<0.05). SAE supplementation significantly reduced abdominal fat, gizzard surrounded fat, liver fat (p<0.05), serum triglyceride, total cholesterol, VLDL+LDL-c (p<0.01), atherogenic index (p<0.05), egg cholesterol and triglyceride (p<0.05), but it had no effect on mesenteric fat, sartorial fat and fatty liver score. In conclusion, SAE supplementation could increase egg production but reduced egg cholesterol. |
| Keywords:
Egg Production; Sauropus androgynus; Cholesterol; Atherogenic Index |
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