DETERMINATION OF ENERGY REQUIREMENT FOR MAINTENANCE AND GROWTH OF GROWING TURKEY USING COMPARATIVE SLAUGHTER TECHNIQUE AND RELATIVE GROWTH INDEX

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Foladvand Fatemeh; KIANI ALI; SHARIFI SEYED DAVOOD; AZARFAR ARASH

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Journal: Journal of Animal Production Year:2019 | Volume:21 | Issue:2 Page(s): 247-259

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Title

DETERMINATION OF ENERGY REQUIREMENT FOR MAINTENANCE AND GROWTH OF GROWING TURKEY USING COMPARATIVE SLAUGHTER TECHNIQUE AND RELATIVE GROWTH INDEX

Author(s)

Foladvand Fatemeh | KIANI ALI | SHARIFI SEYED DAVOOD | AZARFAR ARASH | Issue Writer Certificate

Keywords

ENERGY BALANCEQ2

ENERGY EFFICIENCYQ1

HEAT PRODUCTIONQ2

METABOLIZABLE ENERGYQ1

POULTRYQ2

Abstract

The aim of this study was to determine energy requirement for maintenance (MEm) and to estimate the efficiency of energy utilization for gain (kg) using comparative slaughter technique (CST) and relative growth index (RGI: gain/BW0. 75) in growing turkey chicks from one to four kg of live body weight (LBW). Forty male turkey chicks (24 days of age, 800 ± 93 g LBW) were fed a standard diet (12. 3 MJ ME) up to 4 kg of LBW. Apparent METABOLIZABLE ENERGY (AME, and AMEn), nutrient digestibility of the diet, and ENERGY BALANCE were determined at two and three kg of BW. In CST, twenty chicks were randomly killed at four stages (five birds at each stage) at 1119 ± 60, 2539 ± 93, 3528 ± 68, 3957 ± 82 g of body weight, and the chemical composition of carcass was measured. Maintenance energy requirement (MEm) and efficiency of energy utilization for gain were determined by linear regression in CST. In RGI, the MEm and energy for growth were estimated by a regression of ME intake on relative daily gain. The results showed that in CST, MEm and efficiency of energy utilization for gain were 450 (kJ/kg BW0. 75/d), and 56% respectively. In RGI, the MEm and energy for growth were 3. 66 (kJ/g BW0. 75/d), and 10. 4 kJ per g gain. In conclusion, the RGI method is recommended to estimate energy requirement for maintenance and growth in growing turkey due to its simplicity.

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APA: Copy

Foladvand, Fatemeh, KIANI, ALI, SHARIFI, SEYED DAVOOD, & AZARFAR, ARASH. (2019). DETERMINATION OF ENERGY REQUIREMENT FOR MAINTENANCE AND GROWTH OF GROWING TURKEY USING COMPARATIVE SLAUGHTER TECHNIQUE AND RELATIVE GROWTH INDEX. JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE), 21(2 ), 247-259. SID. https://sid.ir/paper/209014/en

Vancouver: Copy

Foladvand Fatemeh, KIANI ALI, SHARIFI SEYED DAVOOD, AZARFAR ARASH. DETERMINATION OF ENERGY REQUIREMENT FOR MAINTENANCE AND GROWTH OF GROWING TURKEY USING COMPARATIVE SLAUGHTER TECHNIQUE AND RELATIVE GROWTH INDEX. JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE)[Internet]. 2019;21(2 ):247-259. Available from: https://sid.ir/paper/209014/en

IEEE: Copy

Fatemeh Foladvand, ALI KIANI, SEYED DAVOOD SHARIFI, and ARASH AZARFAR, “DETERMINATION OF ENERGY REQUIREMENT FOR MAINTENANCE AND GROWTH OF GROWING TURKEY USING COMPARATIVE SLAUGHTER TECHNIQUE AND RELATIVE GROWTH INDEX,” JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE), vol. 21, no. 2 , pp. 247–259, 2019, [Online]. Available: https://sid.ir/paper/209014/en

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