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Effect of sodium sulphate and methionine supplementations in broiler diet

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Effect of sodium sulphate and methionine supplementations in broiler diet

Department of Poultry Science
College of Veterinary and Animal Sciences
Mannuthy, Thrissur, Kerala 680 651


An investigation was carried out to study the effect of supplementation of sodium sulphate and methionine in broiler diets devoid of animal protein sources. Two hundred and ten, one-day-old broiler chickens were divided into five groups of three replicates each. The dietary treatments consisted of control ration (T 1) prepared using unsalted dried fish as animal protein source, all vegetable protein diets with the addition of 300g DL - methionine (T 2), anhydrous sodium sulphate at the levels of 200g (T 3), 300g (T 4) and 400g (T 5) in every 100 kg of diet. All the rations were formulated as per BIS (1992) specification of nutrients for broiler chicken. The chicks were fed with starter diets upto six weeks of age and thereafter finisher diets up to eight weeks of age.

Results of the study revealed that the mean cumulative body weight of the broilers recorded at sixth week of age did not reveal any significant difference between treatments. But, at eight week of age there was significant difference between treatments. Broilers fed with 0.3 per cent methionine (T 2) and 0.2 per cent (T 3) and 0.4 per cent sodium sulphate (T 5) recorded significantly lower (P<0.05) body weight than T 1 but T 4 was statistically similar to T 1. However there were no differences between T 2, T 3, T 4 and T 5. Similar trend was followed in body weight gain also. Cumulative feed consumption up to sixth week of age indicated significant difference (P<0.05) between dietary treatments. Broilers fed with all vegetable ration supplemented with methionine (T 2) recorded significantly higher feed consumption than other treatment groups. But cumulative feed consumption up to eight weeks of age was not affected by sodium sulphate or methionine supplementation. Similar trend was followed in feed efficiency. Mortality, processing yields and losses, total serum protein and hemoglobin content were not influenced by dietary treatments. All vegetable protein ration prepared with the addition of methionine or sodium sulphate had higher price when compared to control ration. Based on the study it was summarized that 0.3 per cent methionine or 0.2 per cent sodium sulphate can be included in all vegetable protein ration when good quality fish is not available.

Source : IPSACON-2005
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