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Articles by Robby
Total Records ( 1 ) for Robby
  Sabrina , M.H. Abbas , E. Purwati , Y. Heryandi and Robby
  This study was conducted to evaluate the effects of altitude and dietary protein level on performance of local ducks. Two hundred and forty of female Pitalah ducks 14 weeks old were used in this study. Ducks reared on high altitude (H) and low altitude (L). The research was carried out by using Split-plot arrangement in a Randomized Block Design with the H and L as main-plot and the dietary protein level (PL: T-1 = 14, T-2 = 16, T-3 = 18% protein) as sub-plot. Treatments were done when duck was 16 weeks old. Observations were made after the production of duck was 10 %. The environment and rectal temperature were recorded daily. Variables such as: feed intake, protein intake, egg production (Duck day and Egg mass) and Feed Conversion Ratio (FCR) were observed weekly. The altitude were highly significantly (P<0.01) influenced on feed intake, protein intake, egg production (Duck day and Egg mass) and Feed Conversion Ratio (FCR). PL were not significant (P>0.05) affect to feed intake but significantly (P<0.05) increased duck day production and highly significant (P<0.01) increased egg mass and FCR. There was no interaction (P>0.05) between altitude and dietary of protein level. The results of this study showed that the performance of the duck raised on the H was better than L. The increasing of protein level up to 18% have been given the best performance of Pitalah duck.
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