Monday, April 18, 2011

Animal welfare

Animal welfare is the physical and psychological well-being of animals.[1] The term animal welfare can also mean human concern for animal welfare or a position in a debate on animal ethics and animal rights.[2] Welfare is measured by indicators such as behavior, physiology, animal choices, longevity, production and reproduction.[3]
Systematic concern for animal welfare can be based on awareness that non-human animals are sentient and that consideration should be given to their well-being, especially when they are used by humans.[4] These concerns can include how animals are killed for food, how they are used for scientific research, how they are kept as pets, and how human activities affect the survival of endangered species.
An ancient object of concern in some civilizations, animal welfare began to take a larger place in western public policy in 19th-century Britain. Today it is a significant focus of interest or activity in veterinary science, in ethics, and in animal welfare organizations.
There are two forms of criticism of the concept of animal welfare, coming from diametrically opposite positions. One view, dating back centuries, asserts that animals are not consciously aware and hence are unable to experience poor welfare. The other view is based on the animal rights position that animals should not be regarded as property and any use of animals by humans is unacceptable. Some authorities thus treat animal welfare and animal rights as two opposing positions.[2] Accordingly, some animal right proponents argue that the perception of better animal welfare facilitates continued and increased exploitation of animals.[5][6] Others see the increasing concern for animal welfare as incremental steps towards animal rights.

Definitions

In animal ethics, the term animal welfare often means animal welfarism.
In Saunders Comprehensive Veterinary Dictionary, animal welfare is defined as "the avoidance of abuse and exploitation of animals by humans by maintaining appropriate standards of accommodation, feeding and general care, the prevention and treatment of disease and the assurance of freedom from harassment, and unnecessary discomfort and pain."[7]
Donald Broom defines the welfare of an animal as "its state as regards its attempts to cope with its environment. This state includes how much it is having to do to cope, the extent to which it is succeeding in or failing to cope, and its associated feelings." He states that "Welfare will vary over a continuum from very good to very poor and studies of welfare will be most effective if a wide range of measures is used."[8]
Yew-Kwang Ng defines animal welfare in terms of welfare economics: "Welfare biology is the study of living things and their environment with respect to their welfare (defined as net happiness, or enjoyment minus suffering). Despite difficulties of ascertaining and measuring welfare and relevancy to normative issues, welfare biology is a positive science."[9]

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