The main reason why ducklings are always raised
First, the variety is not pure. The current excellent duck species include Beijing Duck, Cherry Valley Duck and Di Gao Duck. They are all white feathers. They are produced by the crossbreeding of several breeds or strains. Their commercial growth is fast at the early stage (normally the body weight can reach 2.5 kg to 3 kg for 49 days to 56 days). However, if its merchandise generation continues to be reserved for seed use, and there is no strict seed selection, the offspring (offspring of commodity generation) will suffer from degeneration or uneven growth, which will result in impure varieties. Therefore, in principle, the current excellent meat duck breed should not be reserved for its commodity generation.
Second, the second worst duck. At present, many people in rural areas purchase ducklings from duck traders. If the duck trader sells hatched ducklings in advance or later or ducklings that do not meet the requirements for hatching eggs, the survival rate is generally low and it is difficult to raise them. Big.
Third, dehydration ducks. The ducklings trafficked by the duck traffickers on a long-distance basis may suffer from lack of care and pay attention to replenishment, causing the ducklings to suffer from lack of water for a long time. For such ducklings, the phenomenon of stunting often occurs when they are brought back.
Fourth, with sick ducks. There are many ducks flowing in the duck trader's hands. If they do not pay attention to the disinfection of utensils, they can easily cross-infect the ducklings. On the other hand, duck traders sell stalls in the street to sell, and there are many contact persons, which can easily cause the ducklings to become infected with pathogens. Such ducklings will be brought back to support the development of disease due to illness.
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