Intestinal worms are a serious problem for communal farmers, and community management protocols have therefore become increasingly important.
Internal parasites such as milk tapeworm (Moniezia expansa) can prove problematic
in young lambs, while adults can fall prey to wireworm (Haemonchus contortus).
The latter are bloodsuckers that can cause death due to anaemia from severe internal blood loss. Animals carrying heavy worm loads can also develop immunity disorders, making them vulnerable to opportunistic diseases.
Animals left untreated for lengthy periods can become ‘reservoirs’ for parasites, and will keep reinfecting healthy animals on communal rangelands.
Sickly or parasite-infested animals become unproductive and give birth to weak offspring; they also struggle to feed their young. Wool sheep may produce low-quality wool.
While some animals can develop some immunity against diseases and parasites and remain functional, others are continually afflicted. These should be culled.
Signs of worm infestation include:
The village farmers’ association should consider introducing the following management protocols:
Treat all village animals at the same time by using the same doses or injectable treatments. If you leave even a few animals untreated, reinfection will be swift, and dosing will need to be undertaken more often.
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