Livestock production: Save on feed costs with arrow leaf

This hardy legume can reduce farming costs when feed sells at a premium.  Poor feeding strategies can result in heavy losses if feed has to be bought in at a time when costs are at a premium (eg late summer) or as a result of poor conception rates during the…

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Diagnosis of brucellosis in humans

Question: How is brucellosis in humans diagnosed? Laboratory diagnosis of human Brucella infection is complicated and none of the currently available diagnostic tools can be used on its own to reliably detect the pathogen. Definitive laboratory diagnosis of human brucellosis is based on isolation of the bacteria from clinical samples…

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Livestock production: How to control fly-borne diseases

Flies not only cause irritation, but can also transmit disease. This may happen either mechanically, as a result of picking up micro-organisms while feeding, or by being a biological vector – an intermediary host for micro-organisms. Culicoides midges are tiny insects, 1 mm to 3 mm in length. They occur…

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Livestock production: What you should know about colic in horses

Question: What is colic? How does it develop and what can I do to prevent my horse from getting it? Colic refers to pain in the abdomen, usually caused by digestive tract problems. Colic from gastro-intestinal causes may be classified into 3 groups: Intestinal dysfunctions. Intestinal accidents. Enteritis/colitis or ulcerations.…

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