Onerous
发表于 2025-3-30 11:40:51
Future Prospects,ountries through the “Expanded Programme on Immunization” of the WHO. Similar developments are under way in veterinary medicine, where vaccines against parasitic diseases are now generating considerable, interest.
事先无准备
发表于 2025-3-30 15:11:52
Experimental Animals and Animal Experiments,imes without discussing its substance. This subject will be elaborated in the following sections with special attention devoted to the extent, purpose and relevance of this research and the pain or distress suffered by laboratory animals.
bleach
发表于 2025-3-30 17:00:23
Animal Experimentation and its Shortcomings,r this purpose is increasingly being criticized not only by the general public but also by the scientific community. The importance and value of animal experimentation have been discussed in the previous chapters. The limitations of this type of research will now be considered.
猜忌
发表于 2025-3-30 21:17:22
Opportunities for Replacement, Reduction or Refinement: Poultry Vaccines,r environment where the risk of infection (“infection pressure”) is always high. Keeping large numbers of birds under such conditions would not be possible without adequate prophylaxis against several infectious diseases. For this reason active immunization plays a major part in the veterinary care of the poultry stock.
Conclave
发表于 2025-3-31 04:56:31
978-94-010-7088-1Kluwer Academic Publishers 1988