Grain-saving type compound feed for laying duck at egg producing period and using method for grain-saving type compound feed
The invention discloses a grain-saving type compound feed for a laying duck at an egg producing period and a using method for the grain-saving type compound feed. The feed comprises the following components in percentage by mass: 32-46% of corns, 14-28% of big potatoes, 15-20% of bean pulp, 3-5% of...
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