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pro vyhledávání: '"Alex. D. Baker"'
Autor:
Alex. D. Baker
Publikováno v:
Poultry Science. 10:246-258
The pathological conditions ascribed to internal parasites in poultry are quite extensive, but a critical study of many of these conditions is lacking. The present status of our knowledge of the subject has been concisely outlined recently by Cram (1
Autor:
Alex. D. Baker
Publikováno v:
Poultry Science. 12:42-45
WHILE the invertebrate fauna of the poultry yard is generally recognized as being rather extensive, detailed information is lacking. The role that these animals may play in the spread of disease and the recognition of certain species of invertebrates
Publikováno v:
Poultry Science. 8:59-76
The internal parasites of poultry are undoubtedly the cause of very considerable loss to the poultry raiser annually. Numerous postmortem examinations on growing stock soon indicated how prevalent these parasites are. It is quite apparent that a stud
Autor:
Alex. D. Baker
Publikováno v:
Canadian Journal of Research. 4:148-179
A description of the male genitalia of the Pentatomidae is given, followed by a comparative study of these structures as found in Canadian species of this family. The development of our knowledge of the subject is indicated and the more important pap
Autor:
Alex. D. Baker, W. A. Delong
Publikováno v:
Science. 66:457-458
Autor:
Alex D. Baker, R. L. Conklin
Publikováno v:
The Journal of Parasitology. 17:18
On December 1, 1929, specimens of sheep livers were received from the Lake St. John region of Quebec. The animals were reported as having had "liver trouble" and of five sheep three had died. Flukes were located in large numbers in the sheep livers a