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An experiment was conducted to evaluate carcass parameters of muscovy ducks reared under semi intensive system (SI), intensive system with wallow (IW) and intensive system without wallow (IO) in a randomized complete block design (RCBD). Thirty six ducks (18 males and 18 females) were slaughtered from the three treatments comprising 3 males and three females from each of two replicates of a treatment selected randomly at the age of 20 weeks. Carcass yield, thigh muscle weight and breast muscle weight of ducks under intensive systems were significantly higher (P 0.05) were observed in these parameters that can be attributed to management systems. In conclusion, rearing Muscovy ducks under intensive system of management produced better carcass yield.

A study was conducted to evaluate the performance of Nigerian native muscovy ducks in terms of growth and feed utilization in a Randomized Complete Block Design (RCBD) under semi intensive system (SI), Intensive system with wallow (IW), and intensive system without wallow (IO). Eighteen males and equal number of female ducklings were allotted to two replicates each of the three treatments and fed from week 5 to week 20 with diet containing 17% CP and 2848.9 kcal/kg energy. Weekly weights were measured and compared using two-way analysis of variance. Final body weights were SI (males: 2507.07g, females: 1733.83g), IW (males: 2466.67g, females: 1641.17g) and IO (males: 2464.84g, females: 1657.67g). Average daily gains of drakes were 16.07g (SI), 16.39g (IW) 15.87g (IO); while those of females were 10.18g, 11.03g and 9.91g respectively. Average daily gain of drakes was significantly higher (P 0.05) on performance of muscovy ducks in the region.