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Overall Performance, Carcass Yield, meat safety Potentials and Economic Value of Heat-Stressed Broilers Fed Diets with Balanced Electrolytes

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Food and Nutrition Sciences 2020年第7期11卷 615-628页

作者： Ibukun Olukorede Popoola Oluwabukola Rashidat Popoola Akinyemi Alaba Adeyemi Oluwatobi Matthew Ojeniyi Ibikunle Funsho Olaleru Femi Joshua Oluwadele Ezekiel Olukunle Akinwumi Department of Animal Science University of Ibadan Ibadan Nigeria Agricultural Research and Biometrics Department Thisavrous Pyrgos Integrated Resources Ibadan Nigeria Farming System Research Program National Root Crops Research Institute Umudike Nigeria

Tropical regions across the globe are characterized by an annually prolonged hot weather conditions that showcase limiting production efficiency in livestock industry, as domesticated animals leave the zone of maximum comfort, under heat stress, with death and reduced carcass yield accompanying the subsequent alteration in body chemistry and behavior. However, pen house orientation, cooling systems, genetic modification and different dietary manipulations have been employed in poultry industry, but many of such did not account for the body’s acid-base equilibrium and the potentials of aggregate levels of dietary electrolytes in enhancing carcass yield of broilers under severe heat stress conditions. Therefore, this study was conducted to investigate the effects of different electrolyte-balanced diets on overall performance, carcass yield, meat safety potentials and economic value of heat-stressed broilers reared for five weeks. Arbor Acre broiler chicks (n = 300) were randomly allotted to diets with aggregate electrolyte balance of 210 (T1), 240 (T2), 270 (T3), 300 (T4), 330 (T5) and 360 (T6) mEq/Kg, in a completely randomised design. On day 35, birds whose weights were closest to the mean class weight were selected from each replicate pen for carcass yield assessment. Also, data on performance and cost-benefit analysis were analysed using descriptive statistics and ANOVA at α

关键词： Broilers Carcass Dietary Electrolytes Heat Stress meat safety Tropical Agriculture

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