An assessment of the growth and profitability potential of meat-type broiler strains under high ambient temperature

Zia Ur Rehman, Naila Chand, Rifat Ullah Khan, Sarzamin Khan, Muhammad Qureshi

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The present study was planned to study the performance and potential profitability of four commercial broiler strains in two different temperature zones i.e., thermoneutral zone (TN) and high ambient temperature zone (HAT) group. Day-old broiler chicks (n=242) of four different commercial strains (Ross, Hubbard, Cobb and Arber Acer) were placed in brooding room for the first two weeks and then chicks were divided into two groups: TN and HAT. Chicks in TN group were housed at constant room temperature (25ºC ± 2ºC and RH 65 ±5%) while chicks in HAT group were kept at high ambient temperature. In the TN zone, significantly (P< 0.05) higher feed intake and weight gain were recorded on day 21, 28, 35 and 42. Feed intake in TN zone was 3.02, 9.79, 9.74 and 12.14 % higher than feed intake recorded on the corresponding days in HAT while weight gain in thermoneutral zone was 9.28, 15.25, 17.48, and 15.62 % higher than weight gain recorded on the corresponding days in HAT. On day 21, 28, 35 and 42 significantly (P<0.05) lower (good) FCR was recorded in TN zone as compared to HAT zone. Higher mortality was recorded in HAT zone as compared to thermoneutral zone. Significantly (P< 0.05) higher net return per chick was recorded in TN zone as compared to HAT zone. Ross and Arber Acer performed better in terms of feed intake, weight gain, FCR and are more economical to be reared in hot summer season in tropical climates of Pakistan, while Cobb and Hubbard strains performed better in TN environment.
Original languageEnglish
Pages (from-to)429-435
Number of pages6
JournalPakistan Journal of Zoology
Volume50
Issue number2
Publication statusPublished - Apr 2018

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