Performance Hematology and Correlation between Economical Traits under the Effects of Dietary Lysine and Methionine in Broilers
الموضوعات :
1 - Department of Animal Science, Rasht Branch, Islamic Azad University, Rasht, Iran
2 - Department of Veterinary and Animal science, Armenia National Agrarian University, Yerevan, Armenia
الکلمات المفتاحية: Correlation, Lysine, methionine, economical traits,
ملخص المقالة :
Lysine (Lys) and Methionine (Met) as two primary essential amino acids and precursors of carnitine biosynthesis are involved in most of economical traits function in domestic animals. We assessed the impact of dietary Lys and Met on the performance, lipid redistribution, intramuscular fat, carcass quality and especially phenotypic correlations among some studied parameters in broiler chickens. 300 day-old male Ross 308 chicks were randomly divided among 5 treatments, with 4 replicates per treatment. There were 15 chicks in each replicate in a completely randomized design. Same basal diet was supplemented with 5 levels of synthetic Lys and Met in amount of 0, 10, 20, 30 or 40% higher than National Research Council (NRC), 1994 recommendation for starter and grower periods. The collected data were analyzed and determined the correlation coefficient by SAS software and Duncan’s test was used to compare the means on a value of (P
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