Blood biochemical profile of four fast-growing broiler strains under high ambient temperature
2018
Chand, Naila | Naz, Shabana | Rehman, Ziaur | Khan, RifatUllah
The present study was carried out to evaluate the effect of optimum and high ambient temperatures on biochemical parameter of four broiler strains. Broiler chicks (n = 242) of four different commercial strains (Ross, Hubbard, Cobb and Arber Acer) on day 15 were divided into two groups: thermo-neutral zone (TN) group and high ambient temperature zone (HAT) group. Chicks in TN group were housed at constant room temperature (25 °C ± 2 C° and RH 65 ± 5%) while chicks in HAT group were kept under HAT of summer. Chicks in each group were further divided into four subgroups, i.e., TN-Ross, TN-Hubbard, TN-Cobb, TN-Arber Acer and HAT-Ross, HAT-Hubbard, HAT-Cobb, HAT-Arber Acer. Each subgroup was further subdivided into four replicates having ten chicks per replicate. Blood was collected on day 21 and 42. Mean serum aspartate aminotransferase (AST), alanine amino transaminase (ALT), alkaline phosphates (ALP), glucose, cholesterol, triglyceride, and low-density lipoprotein (LDL) were significantly higher (P < 0.05) in HAT group, while total serum protein and high-density lipoprotein (HDL) were significantly higher (P < 0.05) in TN group. In TN zone group, significantly (P < 0.05) lower AST, ALT, glucose, cholesterol, triglyceride, and LDL and significantly (P < 0.05) higher HDL and total protein were recorded for Cobb and Hubbard strains. In HAT zone group, significantly (P < 0.05) lower AST, ALT, glucose, cholesterol, triglyceride, and LDL and significantly (P < 0.05) higher HDL and total protein were recorded for Ross and Arber Acer strains. The findings of the present study suggested that Ross and Arber Acer strains were more tolerant to summer HAT of tropical areas than Cobb and Hubbard, while Cobb and Hubbard strains were more effective in TN environment.
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