منابع مشابه
Housing options for farrowing: Considerations for animal welfare and economics
Housing systems for farrowing sows have changed very little in the past 30 years. At the mid 20th century, two farrowing environments were common – the outdoor hut in a pasture or lot, and an indoor farrowing pen. The farrowing pens were in low-cost buildings and thus the cost per square foot of building space was relatively low compared to today’s buildings. Farrowing sows indoors has proved t...
متن کاملLaboratory Animal Science
| A spontaneous neurological mutation was detected in a colony of Sprague Dawley rats. The animals developed a progressive neurological syndrome characterized by tremor (which appeared at the age of 1 month), ataxia (at 4 months), immobility episodes (after 5-6 months), audiogenic seizures and hindlimb paralysis (after 10 months). Cross breeding experiments indicate that this is an autosomal re...
متن کاملLaboratory animal allergens.
Allergic sensitivity to laboratory animals can pose a significant occupational hazard to anyone with regular animal contact. Reactions to mice and rats are most common although all furred animals produce allergens that can lead to sensitization and disease. Most of the relevant allergens of laboratory animals have been defined and characterized, which has revealed that these allergens are typic...
متن کاملX. National Centre for Laboratory Animal Sciences
During the nine months period 18195 animals were bred and 16,307 animals were supplied to various institutions including the parental organisation. However, the number of animals supplied to NIN including the animals for health monitoring is only 528 which is 2.1% of the total number of animals available. Rest of the animals were supplied to various research institutions including pharmaceutica...
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ژورنال
عنوان ژورنال: Environment Control in Biology
سال: 1964
ISSN: 0582-4087,2185-1018
DOI: 10.2525/ecb1963.2.21