Trials were conducted in Arkansas, Idaho, Illinois and Wisconsin using a common protocol to evaluate effectiveness and safety of a long acting (LA), oil-based injectable formulation of moxidectin in beef cattle grazing spring and/or summer pastures. At each site, 150 cattle (steers and/or heifers)...

Groups of mixed breed steers and heifers naturally infected with nematodes were treated with oxfendazole as a suspension, top-dress, bolus or paste at a dosage of 2.5 mg/lb. Faecal egg counts on the day of, and 7 days after, treatment indicated that treatment was 95 to 100% effective in removing...

Studies on blood protozoa showed that Eperyíhrozoon, Anaplasma, and Haemobarîonella resemble Rickettsia in ultrastructure, and that these agents are antigenically interrelated but that they do not cross-react with Babesia or Theileria. There Was no decrease in the erythroid elements of the bone...

Of 795 beef calves from 35 farms, coccidia were found in 85%. In 492 of these calves from 19 farms there were strongyle (Haemonchus, Trichoxtrongylus, Ostertagia, Cooperia, Bunostomum, or Chabertia) eggs in 74% of the calves, Trichuris spp. eggs in 25%, Nematodirus spp. eggs in 15%, Sîrongyloides...

This general survey points out that public interest is not confined only to those diseases which are intercommunicable and cause death or illness to human beings, but is also concerned with diseases which may lead to an increase in the cost of animal products.
The virtual elimination of bovine TB....

Mention is made of the apparatus developed by the Washington Station for the diagnosis of MASTITIS by measuring the degree of electrical conductivity of milk. As the result is known immediately a physical examination can be made at once and samples collected for confirmatory tests. Experiments at...

ARIZONA, 1941-42.-Bunyea's stained antigen was found equal to the slow tube method for the diagnosis of turkey PARATYPHOID. Attempts to find the cause of INFECTIOUS KERATITIS of cattle failed. A single treatment of range cattle with derris in soapy water was ineffective in control of WARBLE FLIES....

The normal activities of the bureau continued to function satisfactorily; the U.S.A. remained free from major epizootics throughout the year. There were 4, 428 regular civil service employees and of these 2, 081 were in the professional and scientific service, 93% being veterinarians. Expenditure...

The data recorded in this article were collected at the Diagnostic Laboratories of the Division of Animal Pathology and Hygiene of the University of Illinois, and give an idea of the chief diseases in the state. A map shows how the 100, 000 specimens received at the laboratory during the last four...

MASTITIS IN CATTLE.-Emphasis is laid on the losses caused by this disease. An infected and a non-infected group of cows are available for the work on the subject and a grant from the Medical Milk Commission of Chicago was obtained for research on the occurrence and significance of streptococci in...