How to choose egg duck eggs

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First, the kind of eggs from the source of eggs must be from a high-yielding breeder ducks, do not introduce eggs from the affected areas or duck farms do not meet the specifications. Second, the degree of egg-breeding The degree of fresh-breeding eggs refers to the length of storage time after the eggs are produced and then hatched. For the first week after delivery is appropriate, 3 ~ 5 days is the best. Third, the shape of the egg, size and thickness of the eggshell selection of egg size, egg shape and shell thickness should meet the specific requirements of each species. Eggs that are too round or too long should not be hatched. If the weight of the egg is too small, the number of hatched ducklings is small (the weight of the duckling is generally 65% ​​to 70% of the egg weight). If the egg weight is too large, the hatching rate is low. Fourth, eggshell cleaning such as eggshell contamination of feces, sludge, feed, mat grass, etc., will plug the pores of the eggshell, and susceptible to bacteria invasion.

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