Terms beginning with G

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g
Greenhouse gases

Gases that affect the temperature of the Earth's surface and have a large bearing on the Earth's climate. They include water vapour, ozone, chlorofluorocarbons, carbon dioxide, methane and nitrous oxide. The 'enhanced greenhouse effect' refers to changes in the Earth's climate as a result of increasing levels of greenhouse gases in the atmosphere due to human activity. (National Forest Policy Statement)

Gelt

An adult, female sheep that is not in lamb when others are. Often she has been kept away from the ram because of problems at a previous lambing. Gelt ewes are fattened for sale to the meat trade at a time when lamb is in short supply

Gimmer

A female sheep that has been weaned but not yet sheared. i.e. about 6 months to 15 months old.

Grass ley

Grass that is sown in the expectation that it will only last for a limited period before being ploughed up. There are short-term leys (1 or 2 years), medium-term leys (up to 5 years) and long-term leys (5-7 years). Beyond that the land will probably be permanent pasture.

Grower Pellets

The poultry feed equivalent to weaner pellets - suitable for fast growing juvenile birds.