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Effect Of Varying Levels Of Methionine Cystine And Lysine In The Vegetable Protein On The Performance And Growth

By: Abdul Haseeb Ahmad | Dr. Nisar Ahmed.
Contributor(s): Dr. Jawad Ahmed Qureshi.
Material type: materialTypeLabelBookPublisher: 1996Subject(s): Department of Animal NutritionDDC classification: 0483,T Dissertation note: The present study was undertaken to investigate the effect of varying levels of methionine, cystine and lysine supplemented in the vegetable protein diet on the performance of broiler chicks. 180 day old chicks were reared separately on the six experimental starter and finisher rations upto 50 day of age. The starter rations had a 23% protein while the finisher rations with 20% protein. All starter and finisher rations had a similar inetabolizable energy of 3200 k cal/kg. The starter rations were fed upto 28 days of age and for the remaining 22 days finisher rations were fed. Results revealed highly significant difference amongst wt. gain of chicks fed on different experimental starter rations. A highly significantly less weight (1859.86 grams) was gained by the chicks fed on ration "A" without supplementation of amino acids as compared to all other rations. Similarly the experimental finisher rations had non significant difference amongst the weight gain of chicks. The results of over all weight gain of all groups of chicks fed on rations A,B,C,D,E and F were 1859.86, 1881.65, 1972.44, 2008.32, 2013.20 and 2052.53 gm respectively, while the statistical analysis reveled non significant difference in weight gain of chicks fed on different experimental rations. Highly significant difference in the feed consumption were noticed in the chicks fed on different experimental starter and finisher rations. Significantly more feed was consumed by the chicks fed on ration A, B, C, D, E as compared to ration "F". Overall feed consumption of male chicks fed on ration A, B, C, D, E and F were 4826.30, 4735, 4563.16, 4465.36, 4381 and 4298.26 grams respectively, whereas the statistical analysis revealed highly significant difference amongst the feed consumption of chicks fed on different experimental starter and finisher rations. Approximately better feed utilization in chicks was noticed when fed on "F" and "E" as compared to the other experimental rations A, B, C and D. Non-significent differences between the dressing percentage, weight of internal organs and abdominal fat deposition of chicks fed on different experimental rations was observed. The present results indicated that the male chicks can be reared economically on starter ration having 23% protein and finisher ration having 20% protein from vegetable sources alongwith 0.20% supplementation of lysine and methionine. Weight gains, feed consumption and feed efficiency was better in male chicks. The male chicks were economical to grow and cost/kg of live weight of chicks was less which was Rs.17.40/- as compared to that of control which costs Rs.20.52/-.
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The present study was undertaken to investigate the effect of varying levels of methionine, cystine and lysine supplemented in the vegetable protein diet on the performance of broiler chicks. 180 day old chicks were reared separately on the six experimental starter and finisher rations upto 50 day of age. The starter rations had a 23% protein while the finisher rations with 20% protein. All starter and finisher rations had a similar inetabolizable energy of 3200 k cal/kg. The starter rations were fed upto 28 days of age and for the remaining 22 days finisher rations were fed.

Results revealed highly significant difference amongst wt. gain of chicks fed on different experimental starter rations. A highly significantly less weight (1859.86 grams) was gained by the chicks fed on ration "A" without supplementation of amino acids as compared to all other rations. Similarly the experimental finisher rations had non significant difference amongst the weight gain of chicks. The results of over all weight gain of all groups of chicks fed on rations A,B,C,D,E and F were 1859.86, 1881.65, 1972.44, 2008.32, 2013.20 and 2052.53 gm respectively, while the statistical analysis reveled non significant difference in weight gain of chicks fed on different experimental rations.

Highly significant difference in the feed consumption were noticed in the chicks fed on different experimental starter and finisher rations. Significantly more feed was consumed by the chicks fed on ration A, B, C, D, E as compared to ration "F".

Overall feed consumption of male chicks fed on ration A, B, C, D, E and F were 4826.30, 4735, 4563.16, 4465.36, 4381 and 4298.26 grams respectively, whereas the statistical analysis revealed highly significant difference amongst the feed consumption of chicks fed on different experimental starter and finisher rations.

Approximately better feed utilization in chicks was noticed when fed on "F" and "E" as compared to the other experimental rations A, B, C and D.

Non-significent differences between the dressing percentage, weight of internal organs and abdominal fat deposition of chicks fed on different experimental rations was observed.

The present results indicated that the male chicks can be reared economically on starter ration having 23% protein and finisher ration having 20% protein from vegetable sources alongwith 0.20% supplementation of lysine and methionine. Weight gains, feed consumption and feed efficiency was better in male chicks. The male chicks were economical to grow and cost/kg of live weight of chicks was less which was Rs.17.40/- as compared to that of control which costs Rs.20.52/-.

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