RELATIONSHIP OF SEX, AGE, AND BODY WElGHT TO LOCAL DUCK CARCASS YIELD



Sri Sudaryati(1*), Heru Sasongko(2), Sri Harimurti(3)

(1) Faculty of Animal Science, Gadjah Mada University, Yogyakarta, Indonesia
(2) Faculty of Animal Science, Gadjah Mada University, Yogyakarta, Indonesia
(3) Faculty of Animal Science, Gadjah Mada University, Yogyakarta, Indonesia
(*) Corresponding Author

Abstract


The aim of this study was to examine the relationship of sex, age, and body weight
(BW) to local duck carcass yield, expressed as carcass weight (g) and as a percentage of live BW (%). One hundred males and 100 females local duck of 8, 10, 12, 14 and 16 weeks of age were raised intensively and used to investigate the effect of sex, age, and BW on yield and percentage of live BW of various carcass components. During processing, weight of carcass and carcass components were measured. The data were subjected to analyses of variance to determine age
and sex effect on absolute weight and as a percentage of live BW basis. Regression analyses were used to generate equations describing the relationship between carcass components and BW for each sex and with sexed combination. Yield of carcass and carcass components changed significantly by the increasing of age and BW (P<.01). In, general, male carcass yield and carcass components were larger than female, but in the contrary male‘s carcass yield and carcass components as a percentage of live BW were smaller than female's (P<.01). Carcass components of duck yield provided in different varieties by age and sex affected.


Keywords


Age, Sex, Carcass components, Local duck

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