Intestinal parasites (worms) are very common in chickens in the backyard type poultry flocks. The presence of a few parasites does not usually cause a problem. However, large numbers can have a devastating effect on growth, egg production, and overall health. The concentration of parasite eggs in the chickens environment is one factor which plays a major role in determining the severity of the in...
Muditha Kodituwakku Very good question. I have found between 6 and 10 weeks to be effective for a start.Thereafter one can programme deworming at one or two month intervals.
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