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Intensive Rearing Of Livestock Essay

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Below is an essay on "Intensive Rearing Of Livestock" from Anti Essays, your source for research papers, essays, and term paper examples.

Intensive rearing of livestock

Intensive rearing of livestock is a farming technique designed to produce the maximum yield of animal products (e.g.. Milk, eggs, meat) at the lowest possible costs. This is so that the reduction in the cost of production can be passed onto the consumer, reducing the cost of animal food products and increasing their demand. However the use of intensive rearing can have many effects on the environment, mainly due to economic issues arising from the reduction in costs both to producers and consumers.
Intensive rearing is designed to dramatically increase productivity. This is done biologically by converting the smallest possible amount of food energy into the greatest quantity of animal mass. During an animals lifetime, much of its energy is lost through respiration, in the form of heat, for movement and homeostasis (the maintenance of a constant internal environment) and excretion. These factors are controlled in intensive rearing in order to increase the quantity of food energy taken in by domestic animals that is converted to body mass (or products such as milk and eggs) and can then be passed to the next trophic level which is humans. This conversion is made more efficient by ensuring as much energy from respiration as possible is used for growth rather than these other factors. Framers achieve this through restricting the movement of animals by keeping them in barns or cages, this is often referred to as ‘factory farming’. An example of this is battering chicken farming, where chickens are kept in extremely small cages in central   heated barns, where the large majority of a chickens energy is spent on producing eggs. This technique ensures less energy from respiration is used in muscle contraction and more is utilised growth. The environment in which the livestock is kept is also kept warm so that less energy is used for homeostasis and heat loss from the body is reduced. Excretion occurs when not all food that animals ingest...

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