Effects of aflatoxins on growth performance and skeletal muscle of Cherry Valley meat male ducks

Animal Nutrition
Wenhuan ChangHuiyi Cai

Abstract

This study aims to evaluate the effects of aflatoxins on growth performance and skeletal muscle of Cherry Valley meat male ducks as they grow and develop. One-day-old healthy meat male ducks (n = 180) were randomly divided into 2 groups; there were 6 replicates in each group and 15 ducks in each replicate. The control group was fed a basic diet, and the experimental group was fed a mold-exposed cottonseed meal diet containing aflatoxins instead of normal cottonseed meal. The experimental period was 35 days, and divided into two stages of 1 to 14 days (early stage) and 15 to 35 days (late stage). During the experimental period, live weight, breast muscle weight and thigh muscle weight of meat male ducks were measured weekly. Results showed as follows: 1) aflatoxins contained in the mold-exposed diet significantly reduced daily weight gain and feed intake, and increased feed-to-gain ratio of meat male ducks at different ages (P < 0.05); 2) the Gompertz equation (W t  = Wm exp {-exp [-B (t - t * )]}) could successfully fit the growth curve and growth and developmental patterns of skeletal muscles of Cherry Valley meat male ducks (R 2  ≥ 0.97); 3) the relationship between chest muscle and live weight was the best described by a ...Continue Reading

Software Mentioned

Origin
SPSS
ANONA

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