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alpaca: An animal which is similar to the llama. A native of the Andes, it is domesticated and reared for its very soft and elastic wool. Raising alpacas provides farmers with valuable fiber and diversification opportunities.

Anglo-Nubian: A hardy breed of goat with high milk yields. It has a brown coat with white patches. Raising Anglo-Nubian goats provides farmers with valuable milk production and fiber.

adventitious: Referring to a root which develops from a node on a plant stem and not from another root. Understanding adventitious roots helps farmers propagate plants more effectively.

aldosterone: A hormone secreted by the adrenal gland which regulates the balance of sodium and potassium in the body and the amount of body fluid. Understanding hormone functions helps farmers manage livestock health.

acute: Referring to a disease which comes on rapidly and can be dangerous. Understanding acute conditions helps farmers respond quickly to health issues in their livestock.

arable: Referring to land on which crops are grown. Understanding arable land is fundamental for farmers to determine the suitability of their land for various crops.

algae: Tiny plants living in water or in moist conditions, which contain chlorophyll and have no stems, roots, or leaves. Managing algae growth is important for farmers to maintain water quality and prevent crop damage.

agrochemical industry: The branch of industry which produces pesticides and fertilizers used on farms. Understanding the agrochemical industry helps farmers choose and use products effectively to protect crops and improve yields.

Acarida: The order of animals including mites and ticks. Knowledge of Acarida helps farmers implement effective pest control strategies.

Animal Health Act 1981: An Act of Parliament which aimed to control the spread of diseases in farm animals and to set up rules protecting the welfare of animals on the farm, in transit, and at market. Understanding this act helps farmers comply with animal welfare regulations and prevent disease outbreaks.