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Wednesday, November 20, 2024
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മലയാളം
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Animal Husbandry > Sheep
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Disease
Management
Dipping
To control the ectoparasites the sheep should be dipped a few weeks after shearing
when they have grown sufficient new wool to hold the chemical substance. There are
standard designs for sheep dips and there are many products effective against ectoparasites.
A footbath may also be provided at the entrance of the farm to prevent the spread
of contagious diseases like foot-and-mouth and foot rot.
Shearing
Shearing is done mechanically either with clippers, a pair of scissors or by power-operated
machines depending upon the size of operations. Most flocks are usually shorn twice
a year, i.e. March-April after the winter and September-October after the rains.
In some states like Jammu & Kashmir and Rajasthan sheep are shorn thrice a year.
Vaccination schedule for sheep
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Diseases
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Age and booster dose
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Route
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Remarks
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Foot and Mouth Diseases
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6-8 weeks, repeat every 6-9 months
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1 ml s/c or i/m depending on vaccine
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Dose as manufacturers recommendation.
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Rinderpest
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3-4 months, repeat every 3-year.
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1 ml s/c
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In endemic areas
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Sheep pox
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3 months
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Live vaccine 1ml (IVRI vaccine) Killed vaccine 3-5 ml s/c
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Tetanus
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Tetanus toxoid
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0.5-1 ml s/c or i/m
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Haemorrhagic septicaemia
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3-4 months. Repeat annually.
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1 ml s/c
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May/June
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Anthrax
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4-6 months. Repeat annually.
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0.5 ml s/c
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In endemic areas.
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Enterotoxaemia
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3-4 months. Repeat after 15 days and then annually.
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2.5 ml s/c
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First two doses before August.
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(Source: Kerala Agricultural University, Mannuthy)
Culling
Culling of sheep is very important for the development of a good flock. It helps
to remove undesirable animals and breeding from those which are most approximating
the ideal sheep. About 10-20 per cent culling should be practiced annually to develop
a good flock. The flock size should be maintained by replacing culled ewes by ewe
lambs born in the flock.
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