3 interactive concept widgets for Strategies for Enhancement in Food Production. Drag any slider, change any number, and watch the formula and the answer update live. Built so you understand how each NEET problem actually works, not just the final number.
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Explore animal breeding methods: inbreeding, out-crossing, cross-breeding, interspecific hybridisation, artificial insemination and MOET.
Select any animal breeding method to see its definition, a real example and its advantages and limitations. Covers inbreeding, out-crossing, cross-breeding, interspecific hybridisation, artificial insemination and MOET.
Inbreeding
Definition
Mating of closely related animals (within the same breed) for 4 to 6 generations. Superior males and superior females are selected and mated together.
Example
Selecting the best milk-producing cow and the best bull in a dairy herd and mating them, then repeating this for several generations.
Advantage
Increases homozygosity; exposes harmful recessive alleles so they can be eliminated; produces a pure-breeding line that passes its traits reliably.
Limitation
Prolonged inbreeding causes inbreeding depression: reduced fertility, lower productivity and decreased disease resistance.
NEET tip
Inbreeding depression is the reduced fertility and productivity after prolonged inbreeding. It is reversed by out-crossing.
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Step through the classical stages of plant breeding from collecting variability to releasing a new cultivar.
Click any of the five steps to see what you do at that stage, why the step is necessary, what goes in, what comes out, and the NEET fact most tested about it.
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Input
All available plant varieties and wild relatives
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Output
Germplasm collection / gene bank
Step 1: Collection of Variability
What you do
Gather as many varieties of the crop as possible from all over the world. Include wild relatives, landraces and modern cultivars. Store them in a gene bank (germplasm collection).
Why this step
You can only breed with what you have. The more genetic diversity you collect, the more likely you are to find plants with the trait you want (disease resistance, high protein, drought tolerance, etc.).
NEET fact
Germplasm collection is STEP 1. A gene bank stores seeds, tissue or living plants for future use.
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Explore the methods used to enhance food production: dairy, poultry, apiculture, fisheries, single cell protein, biofortification and tissue culture.
Select any food production method to see what it is, key examples and the NEET fact most tested about it. Covers dairy farming, poultry, apiculture, fisheries, single cell protein, biofortification and tissue culture.
Dairy Farming
Keeping cows and buffaloes for the commercial production of milk and milk products. Success depends on selecting good breeds, balanced feeding, cleanliness and regular veterinary care.
Key examples
NEET fact
The three key factors for a high milk yield are: (1) good genetic potential of the breed, (2) proper nutrition and (3) good management (hygiene, health care).
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