Question:

High milk yielding varieties of cows are obtained by

Updated On: Jul 18, 2024
  • use of surrogate mothers
  • super ovulation
  • artificial insemination
  • all of these.
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The Correct Option is D

Solution and Explanation

High milk yielding varieties of cows are obtained by use of surrogate mothers, super ovulation, artificial insemination. To get an increased yield of milk surrogate mothers are used in dairy. Superovulation is the hormonal stimulation of multiple ovarian follicles resulting in release from the ovary of a larger number of oocytes (ova) than normal. So, implantation into surrogate mothers increases the number of offspring, usually from highly selected cows. Artificial insemination is a reasonably straight forward process to remove semen from a chosen male animal, and transfer it into a female, at the appropriate stage of the oestrous cycle. This process is well developed in case of dairy cattle breeding for more milk production.
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Concepts Used:

Strategies For Enhancement in Food Production

Animal Husbandry

The raising and breeding of livestock are known as animal husbandry. Dairy farm management and fisheries are also included under animal husbandry and responsible for the selection of good breeds for better yield, maintaining a well-ventilated house and proper cleanliness and hygiene, and regulating proper disposal of waste.

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Animal Breeding

The practice of raising a group of animals belonging to a common species. Inbreeding and outbreeding are the two types of animal breeding.

  1. Animals of superior male and female breed are made to mate for 4 to 6 generations. According to Mendel's experiment, true-breeding species or pure lines are created by Inbreeding which results in homozygosity.
  2. The breeding involving animals that are not related is known as outbreeding.
  3. Bee-keeping: The rearing of bees for the production of honey and beeswax is known as apiculture. One of the most common species of the honey bee is Apis indica. Beeswax is used to prepare polish, cosmetics, etc.
  4. Fisheries: Cultivation or breeding of aquatic flora and fauna for a commercial purpose is known as aquaculture. Fish and fish products for consumption are known as pisciculture.

Plant Breeding

In order to get rid of nutrient deficiency diseases, crops need to have a specific nutrient value besides disease resistance, pest resistance, and high yield capacity. There are many strategies for enhancing food production through plant breeding.

  1. Somatic Hybrids
  2. Totipotency
  3. Biofortification

Plant Breeding for Disease Resistance

Plant Breeding for Pest Resistance

Plant Breeding for Improved Food Quality

Single-Cell Protein

One of the ways to meet the growing demand of nutrients in plants and animals is a single-cell protein which is biomass that is rich in protein. microbes are produced on an industrial scale to get single-cell protein.