Use of animals

Use of experimental animals.

I shall deal briefly this morning with three topics: (1) the different species and strains of animals to be employed in experimental studies-of bowel cancer with asbestos; (2) combinations of carcinogens; and (3) the difficult and debatable tumors that one sees in experimental animals. I am glad to see that in South Africa baboons are also being used. Frequently Wistar rats are used .or rats of...

Antibiotic use in animals.

1University of London, London, UK; 2Cox Associates, Denver, CO; 3Kansas State University, Manhattan, KS, and Livestock Information Services, Callaway, NE; 5JMI Laboratories, North Liberty, IA; 6Hartford Hospital, University of Connecticut, 80 Seymour St., Hartford, CT 06102-5037; 7Texas Tech University, Lubbock, TX; 8Sutton Veterinary Clinic, Sutton, NE, USA; 4Royal Veterinary and Agricultural ...

the use of appropriate madm model for ranking the vendors of mci equipments using fuzzy approach

abstract nowadays, the science of decision making has been paid to more attention due to the complexity of the problems of suppliers selection. as known, one of the efficient tools in economic and human resources development is the extension of communication networks in developing countries. so, the proper selection of suppliers of tc equipments is of concern very much. in this study, a ...

Tool use by aquatic animals.

Tool-use research has focused primarily on land-based animals, with less consideration given to aquatic animals and the environmental challenges and conditions they face. Here, we review aquatic tool use and examine the contributing ecological, physiological, cognitive and social factors. Tool use among aquatic animals is rare but taxonomically diverse, occurring in fish, cephalopods, mammals, ...

The use of nonhuman animals in research.