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Effect of a supplement of methionine, lysine and B vitamins on fattening ducklings given a feed with a reduced protein content



Effect of a supplement of methionine, lysine and B vitamins on fattening ducklings given a feed with a reduced protein content



Zhivotnovudni Nauki 10(7): 115-119



Groups of 40 young Pekin ducks were given a feed with 15.27% crude protein (CP) or feeds with 12.07 or 11.20% CP with 0.15% lysine, or the lysine with 0.10% methionine or 0.20% of a lysine-B vitamin supplement. Up to slaughter at 2100 to 2300 g average daily weight gains were 40.1, 39.1, 39.0 and 37.6 g, intakes of feed units were 4.220, 4.402, 4.334 and 4.536, and intakes of CP were 562, 468, 462 and 442 g.

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