White leghorn and New Hampshire red chickens were inoculated with purified lipopolysaccharides of 14 serotypes of Pasteurella multocida to determine their ability to produce serotype-specific antisera ...
Specific-pathogen-free white leghorn chickens were inoculated at 1 day of age with avian leukosis virus (ALV, RAV-1). All chickens in Expt. 1, killed 33 or 64 days postinoculation, had focal chronic ...
As we enter summer and more people are looking at raising backyard chickens, they may be curious why chicken eggs can be different colors. Most eggs are white or brown, but they also come in other ...
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