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This paper describes a test for diagnosing pregnancy in the cow based on the detection of blastocyst antigens in the maternal blood circulation. Rabbit anti-bovine embryo serum was agglutinated with the sera of non-pregnant cows to obtain specific antibodies. These rabbit antibodies were then absorbed on latex beads which could then be used for the standard passive agglutination reaction. This diagnostic technique was tested on 415 animals. The results on pregnant cows were successful in 78 p. 100 of the cases (confidence interval: 69-86 p. 100) and on non-pregnant cows 94 p. 100 of the time (confidence interval: 90-97 p. 100). This test is independent of the status of the ovaries and of the pregnancy stage. Detection is reliable from day 26 after coitum.
G Bozzolo, and
W Terry Carrillo, and
P Raynaud
January 1973,
Anais do Instituto de Higiene e Medicina Tropical,
G Bozzolo, and
W Terry Carrillo, and
P Raynaud
January 1971,
Boletin chileno de parasitologia,
G Bozzolo, and
W Terry Carrillo, and
P Raynaud
February 2007,
Diagnostic microbiology and infectious disease,
G Bozzolo, and
W Terry Carrillo, and
P Raynaud
March 1972,
The Indian journal of medical research,
G Bozzolo, and
W Terry Carrillo, and
P Raynaud
January 1967,
Pathologie et biologie,
G Bozzolo, and
W Terry Carrillo, and
P Raynaud
March 2000,
Journal of clinical microbiology,
G Bozzolo, and
W Terry Carrillo, and
P Raynaud
March 1994,
International journal of leprosy and other mycobacterial diseases : official organ of the International Leprosy Association,
G Bozzolo, and
W Terry Carrillo, and
P Raynaud
January 1996,
Transactions of the Royal Society of Tropical Medicine and Hygiene,
G Bozzolo, and
W Terry Carrillo, and
P Raynaud
December 1966,
Technical bulletin of the Registry of Medical Technologists. American Society of Clinical Pathologists. Registry of Medical Technologists,
G Bozzolo, and
W Terry Carrillo, and
P Raynaud
January 2007,
Veterinary research communications,
