Field Manual of Wildlife Diseases—General Field Procedures and Diseases of Birds
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چکیده
Cause Avian botulism is a paralytic, often fatal, disease of birds that results when they ingest toxin produced by the bacterium, Clostridium botulinum. Seven distinct types of toxin designated by the letters A to G have been identified (Table 38.1). Waterfowl die-offs due to botulism are usually caused by type C toxin; sporadic die-offs among fish-eating birds, such as common loons and gulls, have been caused by type E toxin. Type A botulinum toxin has also caused disease in birds, most frequently in domestic chickens. Types B, D, F, and G are not known to cause avian botulism in North America.
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Field Manual of Wildlife Diseases—General Field Procedures and Diseases of Birds
Periodic blooms of algae, including true algae, dinoflagellates, and cyanobacteria or blue-green algae have been reported in marine and freshwater bodies throughout the world. Although many blooms are merely an aesthetic nuisance, some species of algae produce toxins that kill fish, shellfish, humans, livestock and wildlife. Pigmented blooms of toxinproducing marine algae are often referred to ...
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