Document Type : Articles
Authors
- Saman Abdulmajid Rashid 1
- Questan Ali Ameen 1
- Nidhal Abdulgani Mustafa 2
- Sarwar Mohammed Sadq 1
- Ahmed Sami Shaker 3
1 Dept. of Animal Science, College of Agricultural Engineering Sciences, University of Sulaimani
2 Dept. of Animal Resources, College of Agricultural Engineering Sciences, University of Salahaddin-Erbil
3 Dept. of animal production, Directorate of Agricultural research, Sulaimani, Iraq
Abstract
The effect of a liquid methionine source provided through the drinking water on broiler chick performance, water intake, and carcass characteristics were studied using 264 unsexed broiler chicks (Ross 308, 7 days old). Methionine was added within three replicates in four treatments with 22 birds in each as follows: T1 (control treatment): without adding liquid methionine, T2: adding 0.25 ml of liquid methionine/litter of drinking water, T3: adding 0.50 ml of liquid methionine/litter of drinking water, and T4: adding 0.75 ml of liquid methionine/litter of drinking water. Live body weight, body weight gain, feed intake, feed conversion ratio, water intake, and carcass traits were taken. The results showed that adding liquid methionine in drinking water were significantly increased (P≤0.05) live body weight, total feed intake, and body weight gain, as well as carcass traits also were significantly different among the treatments. Within the limits of the study, liquid DL-methionine provided in the drinking water was effectively assimilated by broiler chicks and increased total methionine intake, which increased the growth rate of the chicks.
Keywords
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