Chickens are one of the most important livestock globally, serving not only as a primary source of high-quality protein for humans but also carrying unique genetic characteristics across different ...
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 ...
THE last faint rumble of the retreating wagon fell upon the ear as something significant and epochal. Fifty miles to westward passed the nearest railroad line; fifty miles to eastward the next nearest ...
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