Zinc promotes feather recovery of birds
The addition of zinc to the drinking water promotes the recovery of the
feather pack of poultry. In addition, the supplementation of fresh straw seems
to cure skin infections in the birds. These are the findings of research done by
Dutch Health Institute for Animals (GD).
Dutch free range, cage and Freiland birds contend with
mysterious skin problems since 2004. The birds lose their feathers and have
round damages on belly and cloaca. The mortality of these problems can reach 1%
or more per week. No correlation was noted between type of birds, feed producer
or type of housing. Federfein
producers try to minimise the mortality by adding acids to the drinking water or
feed. Furthermore, the farmers supplement the animals with extra vitamins,
biotin, selenium and zinc. The Dutch GD found out that the supplementation of
Federfein, a zinc product, has the best results in reducing the skin infections.
An elevated zinc supply does not lead to a higher zinc concentration in the
liver, but increases the zinc level in the manure. Related
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