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It uses between 20 and 33% of the world's fresh water, [81] Livestock, and the production of feed for them, occupy about a third of the Earth's ice-free land. [82] Livestock production contributes to species extinction, desertification, [83] and habitat destruction. [84] and is the primary driver of the Holocene extinction.
Livestock could be fed by grazing on grasslands, integrated or non-integrated with crop production. Livestock produced in stalls or feedlots are landless and are typically fed by processed feed containing veterinary drugs, growth hormones, feed additives, or nutraceuticals to improve production. Similarly, livestock consume grains as the main ...
It is responsible for somewhere between 20 and 33% of the fresh water usage in the world, [57] and livestock, and the production of feed for them, occupy about a third of Earth's ice-free land. [58] Livestock production is a contributing factor in species extinction, desertification, [59] and habitat destruction. [60]
Pig farming, pork farming, pig production or hog farming is the raising and breeding of domestic pigs as livestock, and is a branch of animal husbandry. Pigs are farmed principally for food (e.g. pork : bacon , ham , gammon ) and skins .
The development of quantitative methods for livestock production includes mathematical modelling based in plant-herbivore or predator-prey models to forecast and optimise meat production. An example is the Predator-Prey Grassland Livestock Model (PPGL) [7] to address the dynamics of the combined grass-animals system as a predator-prey dynamical ...
Livestock production systems can be defined based on feed source, as grassland-based, mixed, and landless. [149] As of 2010, 30% of Earth's ice- and water-free area was used for producing livestock, with the sector employing approximately 1.3 billion people. Between the 1960s and the 2000s, there was a significant increase in livestock ...
Insects as feed are insect species used as animal feed, either for livestock, including aquaculture, or as pet food. As livestock feed production uses ~33% of the world's agricultural cropland use, insects might be able to supplement livestock feed. They can transform low-value organic wastes, are nutritious and have low environmental impacts.
To enhance the resilience of Indian agriculture covering crops, livestock and fisheries to climatic variability and climate change through development and application of improved production and risk management technologies. To demonstrate site specific technology packages on farmers' fields for adapting to current climate risks.