PMID(sorted ascending)
rotational grazing for control of gastrointestinal nematodes of goats in a wet tropical environment.a preliminary experiment involving contamination of pasture plots with eggs of haemonchus contortus, trichostronglyus colubriformis and oesophagostomum columbianum every month for a year established that in the tropical environment of the pacific island of tongatapu, hatching and development of all species was rapid and continuous, with a short survival on pasture (3-7 weeks) of the resulting infective larvae. these results indicated that a rotational grazing system consisting of ten paddocks gr ...19948091608
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