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The Effect of Quantitative Feed Restriction Duration on Growth Performance and Carcass Characteristics of Broiler Chickens

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Open Journal of Animal Sciences 2021年第4期11卷 635-645页

作者： Ziphozihle Gobane Sindisile Goni Denice Chikwanda leocadia zhou Department of Livestock and Pasture Science University of Fort Hare Alice South Africa Döhne Agricultural Development Institute Stutterheim South Africa Risk and Vulnerability Science Centre Faculty of Science & Agriculture University of Fort Hare Alice South Africa

The growth productivity of broilers is influenced by improving growth performance through improving body weight, average daily gain, and feed conversion rate. The objective of the study was to determine the effect of quantitative feed restriction duration on growth performance and carcass characteristics of broilers. A total of 144 day-old broiler chicks were reared in a deep litter system until slaughter at 42 days. Chicks were randomly allocated to three treatments which were replicated three times with 16 birds per replicate. The three treatments were the control (T1), one week of feed restriction (T2), and two weeks of feed restriction (T3). Birds were fed with starter, grower and finisher diets. The average daily gain (ADG), average daily feed intake (ADFI), and the feed conversion ratio (FCR) were computed for each week. Carcass weight and internal organs weights were measured. The body weight gained by the birds in T1 was similar to the birds that were restricted for a week. The treatments had a significant effect on the average daily gain in weeks 4, 5, and 6. The ADG for T2 was higher (P ad

关键词： Average Daily Gain Body Weight Gain Broilers Feed Conversion Ratio Feed Restriction Duration

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