STUDY ON THE DUCKS FATTY LIVER PRODUCTION UNDER THE EGYPTIAN CONDITIONS

Menoufia Journal of Animal Poultry and Fish Production Pub Date : 2019-02-01 DOI:10.21608/mjapfp.2019.116383

A. El-Fiky, G. Zanaty, W. Ali, A. Dahrouj

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引用次数: 1

Abstract

A total number of one hundred and eight of both Mulard and Muscovy drakes at 12 weeks of age were individually weighed, wing banded and divided randomly into three groups of three replicates, each of six birds. Average of initial body weight of drakes was similar among all groups (x̄). Drakes of the first group were fed ad-lib the same ration of the force feeding . The second group fed the force feeding ration without any added enzyme, while the third group was fed the force feeding rations plus Avizyme 1502 enzyme 0.05%. The results showed that Mulard ducks were highly significant in all carcass traits studied (final live body weight, and percentages of carcass, liver, total giblets and edible parts) than Muscovy ducks. The ether extract percentage was insignificant in meat of the Mulard ducks compared with Muscovy ducks, while, the moisture, crude protein and ash percentage were significantly higher in Mulard ducks when compared to Muscovy ducks. Liver of Mulard ducks contained highly significant moisture, crude protein and ash percentages compared to liver of Muscovy ducks. however, liver of Muscovy ducks contain highly significant ether extract percentage compared to liver of Mulard ducks. Liver of Muscovy ducks was highly significant in LDL (mg/dl) and cholesterol (mg/dl) and insignificant in total lipids weight (mg/dl), triglycerides (mg/dl) and HDL (mg/dl) compared to Mulard duck. Blood plasma for Mulard ducks was highly significant in total protein (g/dl), albumin (g/dl), globulin (g/dl), A/G ratio and insignificant in LDL (mg/dl) and AST (U/L) compared to the Muscovy ducks. On contrary, blood plasma of Muscovy ducks was highly significant in total lipids (mg/dl), cholesterol (mg/dl), triglycerides (mg/dl), HDL (mg/dl), glucose (mg/dI) and insignificant in ALT(U/L), compared to Mulard duck. Conclusively, Mulard ducks are suitable for force feeding than Muscovy ones to achieve a fast increase in body weight in a short time. Also, to have a high quality of fatty liver which have a high marketing value indoors and outdoors

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埃及条件下鸭脂肪肝生产的研究

选取12周龄Mulard和Muscovy鸭共108只，分别称重，绑翅，随机分为3组，每组3个重复，每组6只。各组鸭的平均初始体重相似(x ā)。第一组公鸭按相同的强迫喂食量进行随机喂食。第二组饲喂不添加酶的强制饲粮，第三组饲喂添加0.05% Avizyme 1502酶的强制饲粮。结果表明，母鸭的各项胴体性状(末活重、胴体率、肝脏率、总内脏率和可食部位率)均显著高于番鸭。与番鸭相比，鸭肉中的粗脂肪含量不显著，而水分、粗蛋白质和灰分含量显著高于番鸭。鸭肝脏的水分、粗蛋白质和灰分含量均显著高于番鸭肝脏。而番鸭肝脏中乙醚提取物的含量显著高于鸭肝脏。与穆拉德鸭相比，麝香鸭肝脏LDL (mg/dl)和胆固醇(mg/dl)含量极显著，而总脂质重(mg/dl)、甘油三酯(mg/dl)和高密度脂蛋白(mg/dl)含量不显著。血浆中总蛋白(g/dl)、白蛋白(g/dl)、球蛋白(g/dl)、A/ g比均极显著高于玛氏鸭，LDL (mg/dl)和AST (U/L)均不显著。与穆拉德鸭相比，番鸭血浆中总脂(mg/dl)、胆固醇(mg/dl)、甘油三酯(mg/dl)、高密度脂蛋白(mg/dl)、葡萄糖(mg/dI)含量极显著，ALT(U/L)含量不显著。由此可见，为了在短时间内实现体重的快速增长，母鸭比番鸭更适合强制饲喂。同时，拥有高品质的脂肪肝，具有很高的室内和室外市场价值

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Menoufia Journal of Animal Poultry and Fish Production

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