Animal Husbandry, Dairy & Fisheries Sector – Pashudhan Sanjivani, E- Pashudhan Haat, etc

Domestic Goat as a Drug Factory


From UPSC perspective, the following things are important :

Prelims level: Domestic breeds of Goat

Mains level: Therpautic use of goat milk


India’s domestic goats have attracted the attention of biotechnology companies wishing to produce therapeutic proteins in bulk.

Domestication of Goats

  • The domestic goat (Capra hircus) is a familiar presence in the rural landscape of India and in many developing countries.
  • The goat has played an important economic role in human communities from the time it was domesticated about 10,000 years ago.
  • It has even been argued that the domestication of goats was an important step in mankind’s shift from a hunting-gathering lifestyle to agricultural settlements.

Various breeds found in India

  • The Food and Agriculture Organisation (FAO) estimates that the world has 830 million goats belonging to about 1,000 breeds.
  • India has 150 million from over 20 prominent breeds including-
  1. Marwari: Rajasthan has the most number of goats — the Marwari goat found here is hardy and well-adapted to the climate of deserts.
  2. Osmanabadi: Another hardy breed, found in the dry regions of Maharashtra, Telangana and North Karnataka is the Osmanabadi.
  3. Malabari: Also called Tellicherry of North Kerala, it is a prolific breed with low-fat meat, and shares these traits with the beetal goat of Punjab.
  4. Black Bengal goat: The east Indian Black Bengal goat is a vital contributor to the livelihoods of the rural poor of Bangladesh. It contributes over 20 million square feet of skin and hides to the world’s demands for leather goods, from fire-fighters gloves to fashionable handbags.
  5. Jamunapari: These goats from Uttar Pradesh were favoured as they yield 300 kg of milk during eight months of lactation. Once in England, the Jamunapari was bred with local breeds to produce the Anglo-Nubian, a champion producer of high-fat milk.

Why are goats significant for farmers?

  • Goats have a quick generation time of about two years.
  • General benefits of goat milk out-powers the high-fat buffalo milk.
  • As many farmers lack the space or funds to rear cattle, the goat is rightly called “the poor man’s cow”.
  • There are no specific fodder requirements for goat. It can feed even on the neem leaves.

Significance in therapeutics: Antithrombin production

  • Goats have attracted the attention of biotechnology companies wishing to produce therapeutic proteins in bulk.
  • The first success came with ATryn, the trade name for a goat-produced antithrombin III molecule.
  • Antithrombin keeps the blood free from clots, and its deficiency (usually inherited) can lead to serious complications such as pulmonary embolisms.
  • Affected individuals need antithrombin injections twice a week, usually purified from donated blood.
  • Recently, the monoclonal antibody cetuximab, which has been approved by the FDA as an anti-cancer drug against certain lung cancers, has also been produced in cloned goat lines.

Why is it a significant development?

  • Transgenic goats carrying a copy of the human antithrombin gene have cells in their mammary glands that release this protein into milk.
  • It has been claimed that one goat could produce antithrombin equivalent to what was obtained from 90,000 units of human blood.
  • Large quantities can be made this way (10 grams per litre of milk).

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