Avian influenza Reference Libraries
Culling is a term used for separating the good from the bad and discarding the bad with the cull being the rejected items. Culling is used to improve the desired group with specific characteristics to improve the group. Culling is used for strengthening a livestock herd and the culled animals are destroyed. When breeding pedigree animals, the culled are spayed or neutered. This prevents the...
Influenza A virus causes influenza in birds and some mammals. It is a genus of the Orthomyxoviridae family of viruses. Although the virus is uncommon several strains have been isolated from wild birds. Some can cause severe disease in domestic poultry and sometimes in humans. They are negative sense, single-stranded, segmented RNA viruses. Each subtype has mutated into a variety of strains with...
- A Roman unit of weight, 1⁄1728 of a pound.
- A weight of four grains used in weighing gold and precious stones; a carat.
- In anatomy, a formation suggesting a husk or pod.
- The lowest unit in the Roman coinage, the twenty-fourth part of a solidus.
- A coin of base silver of the Gothic and Lombard kings of Italy.