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Comparative Efficacy Of Different Commercially Available Growth Promoter Antibiotics On The Performance Of Broiler

By: Fazal ur Rehman | Prof.Dr.Talat Naseer Pasha.
Contributor(s): Dr.Anjum Khalique | Dr.Athar.
Material type: materialTypeLabelBookPublisher: 2000Subject(s): Department of Animal NutritionDDC classification: 0713,T Dissertation note: The present experiment was conducted to study the efficacy of different growth promoter antibiotics on the performance of broiler chicks. Two hundred and forty day old broiler (Hubbard) chicks were purchased, kept in cages and were reared on six experimental rations designated as T1 (Control), T2 (Albac, Zinc Bacitracin, 50ppm), T3 (Flavornycin, Flavophosphlipol, 3ppm), T4 (Flavomycin, Flavophosphilipol, 6ppm), T5 (Flavomycin, Flavophosphilipol, 9ppm) and T6 (Lincornix, Lincomycin 4.4ppm) upto the age of 42 days. The starter rations were fed upto 28 days of age and the finisher from to 42nd days of age. The results of the present study indicated significant difference in weight gain, feed intake, feed efficiency, total bacterial count of feed, total bacterial count of intestinal contents of chicks fed on antibiotic incorporated feed than control (un-medicated). The results of dressing percentage were non-significant. Rations designated as T2 (Zinc bacitracin, 50ppm) and T3 (Flavophospholipol, 3ppm) showed non-significant difference for weight gain, feed consumption and feed efficiency, whereas the ration T4 (Flavophospholipol, 6ppm), T5 (Flavophospholipol, 9ppm) and T6 (Lincomycin, 4.4 ppm) showed non-significant difference for weight gain, feed consumption and feed efficiency. But ration T4, T5 and T6 showed significant difference with T2 and T3 for weight gain. With respect to objective of the study, the economic picture of rations T1, T2, T3, T4, T5 and T6 for cost per Kg. of live weight gain (excluding cost of day old chick) were Rs. 17.86, 17.45, 17.39, 17.22, 17.38 and 17.37. Ration T6 was economical by Rs. 0.64, 0.23, 0.17, 0.16 and 0.15 with T1, T2, T3, T4 and T6 respectively. So the Flavomycin 80 at the rate 6ppm (Flavophospholipol) can be used in broiler starter and broiler finisher rations.
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The present experiment was conducted to study the efficacy of different growth promoter antibiotics on the performance of broiler chicks.


Two hundred and forty day old broiler (Hubbard) chicks were purchased, kept in cages and were reared on six experimental rations designated as T1 (Control), T2 (Albac, Zinc Bacitracin, 50ppm), T3 (Flavornycin, Flavophosphlipol, 3ppm), T4 (Flavomycin, Flavophosphilipol, 6ppm), T5 (Flavomycin, Flavophosphilipol, 9ppm) and T6 (Lincornix, Lincomycin 4.4ppm) upto the age of 42 days. The starter rations were fed upto 28 days of age and the finisher from to 42nd days of age.


The results of the present study indicated significant difference in weight gain, feed intake, feed efficiency, total bacterial count of feed, total bacterial count of intestinal contents of chicks fed on antibiotic incorporated feed than control (un-medicated). The results of dressing percentage were non-significant.

Rations designated as T2 (Zinc bacitracin, 50ppm) and T3 (Flavophospholipol, 3ppm) showed non-significant difference for weight gain, feed consumption and feed efficiency, whereas the ration T4 (Flavophospholipol, 6ppm), T5 (Flavophospholipol, 9ppm) and T6 (Lincomycin, 4.4 ppm) showed non-significant difference for weight gain, feed consumption and feed efficiency. But ration T4, T5 and T6 showed significant difference with T2 and T3 for weight gain.

With respect to objective of the study, the economic picture of rations T1, T2, T3, T4, T5 and T6 for cost per Kg. of live weight gain (excluding cost of day old chick) were Rs. 17.86, 17.45, 17.39, 17.22, 17.38 and 17.37. Ration T6 was economical by Rs. 0.64, 0.23, 0.17, 0.16 and 0.15 with T1, T2, T3, T4 and T6 respectively. So the Flavomycin 80 at the rate 6ppm (Flavophospholipol) can be used in broiler starter and broiler finisher rations.

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