منابع مشابه
How to improve housing conditions of laboratory animals: the possibilities of environmental refinement.
Housing systems for captive animals have often been designed on the basis of economic and ergonomic considerations, such as equipment, costs, space, workload, ability to observe the animals and to maintain a certain degree of hygiene, with little or no consideration for animal welfare. Environmental refinement can be defined as any modification in the environment of captive animals that seeks t...
متن کاملMandatory " enriched" housing of laboratory animals: the need for evidence-based evaluation.
Environmental enrichment for laboratory animals has come to be viewed as a potential method for improving animal well-being in addition to its original sense as a paradigm for learning how experience molds the brain. It is suggested that the term housing supplementation better describes the wide range of alterations to laboratory animal housing that has been proposed or investigated. Changes in...
متن کاملNeuropharmacological activity of the aqueous leaf extract of Croton zambesicus (euphorbiaceae) in some laboratory animals
To determine the neuropharmacological activity of the leaf extract of Croton zambesicus in mice and chicks. The effect of aqueous leaf extract of Croton zambesicus on thiopental sodium – induced sleeping time in mice, on gross locomotor activity (GLA) in 2-day old chicks and effect of extract on apomorphine - induced stereotyped behavior in chicks were evaluated. The a...
متن کاملHousing of Dairy Animals under Indian Conditions
India is a subtropical country, wherein the climate is of variable type. A shelter is required both in summer as well as in winter to counter the various vagaries of adverse climate and to provide a comfortable environment to the animals. The principle functions of any system of housing for dairy cattle are: (1) Provision of health sustaining and comfortable environment to different categories ...
متن کاملThe Blood Picture of Normal Laboratory Animals *
I. Method of obtasning blood. The universal method of obtaining blood from the rat is by snipping off the tip of the tail, preferably with a razor blade. This method gives valid results only under certain circumstances, for by repeated bleeding from the tail, there results, from trauma, a high grade inflammatory reaction with hyperleukocytosis (Klieneberger and Carl281). Repeated withdrawals of...
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ژورنال
عنوان ژورنال: Journal of Hygiene
سال: 1949
ISSN: 0022-1724
DOI: 10.1017/s0022172400014455