Glossary

Conventional buildings – totally enclosed housing facility where the environment (temperature, humidity and lighting) and manure
disposal is typically automated; automated heating, cooling and ventilation equipment is used to ensure the pig’s health and access to feed and water

Cross-fostering – the practice of placing piglets
from mothers with too many piglets to feed
adequately to mothers with extra udder space; done preferably within the first hours after birth after piglets have consumed colostrum

Crude protein – chemically analyzed protein
content in a given feed

Cut-out – quantity of saleable meat obtained from a wholesale cut

Demand – the quantities of a good consumers are willing and able to purchase at alternative prices

Demand consists of many quantity-price
combinations which can be represented by the line
D in the diagram. Demand lines are almost always
negatively sloped since consumers will normally buy
more of a product if the price is lower. The position
and shape of the Demand line is determined by
consumers' disposable incomes and tastes and
preferences as well as the prices of other goods.

Disappearance, other – the amount of production that cannot be accounted for by uses whose quantity is known.

For pork, other disappearance is determined by:

Beginning inventory (a known quantity, USDA Cold Storage Report)

+ Production (a known quantity, USDA Livestock Slaughter)

+ Imports (a known quantity, U.S. Department of Commerce and USDA FAS)
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= Total supply
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- Exports (a known quantity, U.S. Department of Commerce and USDA FAS)

- Ending inventory (a known quantity, USDA Cold Storage Report)

= Other Disappearance

Effluent – the liquid layer of manure after solids have settled out, such as in a lagoon

Estrus – period during which a gilt or sow is receptive to mating and during which ovulation occurs

Estrous female – a gilt or sow in estrus

Euthansia – the humane death of an animal occurring without pain or distress

Farrow – to give birth to piglets

Farrowing – the process of birthing