• DEWORMING of Cattles are most often dewormed with a paste or gel placed on the back of the animal’s mouth via a dosing syringe
  • Feed dewormers are also used
  • Both single-dose varieties and in a daily, “continuous” feed form.
  • Deworming (drenching) a sheep is usually done with a specific drenching gun

Signs of worm infested Animals

  • Diarrhea
  • Loss of weight
  • Soil licking and eating pieces of cloth
  • Delay in puberty
  • Weakness and slow growth
  • Decrease in milk production
  • Death at an early age
  • Thin and rough skin

Types of Worms

  1. Internal parasites (worms)

According to an estimate, the mortality rate among the younger animals of 6 months to one year old due to internal worms is 25-30%. Internal worms include round worms, stomach worms, lung worms, liver flukes and intestinal worms

  • Symptoms:
  • Animals become anaemia
  • The animals take up more feed, yet become weaker
  • Loss of water in the body, diarrhea and sometimes presence of
  • Blood in excretions
  • Rough and dry skin

External Parasites

These parasites are found on external skin. They are mostly blood-sucking parasites and they cause spread of fatal diseases in the animals. They include lice, ticks, flies and mosquitoes.


  • The animal becomes weak because of loss of blood
  • Their skin becomes rough and dry.
  • Milk production decreases.
  • The animal becomes restless.
  • The possibility of abortion rises.
  • Paralysis attack is possible.
  • Holes appear on the skin and they become like wounds

Economic Benefits of De –Worming

  • An increase in milk production of the animal gives the farmer a benefit of at least Rs 4000 in a year.
  • With regular de-worming of calves, their daily growth is enhanced 100 to 400 gms more than the normal; which gives minimum Rs 13,500 benefit to the farmer in one year.
  • Regular de-worming keeps the animals healthy and their feed proves useful.

Selection of De –Wormer

  • Determine the quantity of the medicine according to the weight of the animal.
  • Easy to administer
  • Choosing the most effective medicine
  • Less expensive
  • Personal safety
  • Effectiveness of the medicine / A reliable company

 De-Worming the Herds of Cows and Buffaloes

The production of milk increases by ½ to 1 litre of milk when lactating animals are de-wormed. The effects of the parasites are different on cows, buffaloes, bulls and on younger animals. Therefore, the methods of their treatment should also be Different.

  • De-worming medicines should be administered at least thrice a year to the adult and four times to the younger animals

Leave a Reply

Your email address will not be published. Required fields are marked *