NDLI: The relationship among current management systems, production, disease and drug usage on Ontario dairy farms.

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A New Name for the Journal/Un nouveau titre pour la revue

Dysmyelopoiesis in the cat: a hematological disorder resembling refractory anemia with excess blasts in man.

The relationship among current management systems, production, disease and drug usage on Ontario dairy farms.

A path model of factors influencing morbidity and mortality in Ontario feedlot calves.

Evaluation of a xylazine-ketamine hydrochloride combination in the cat.

Induction of immunity against pneumonic pasteurellosis following experimental infection in calves.

Experimental production of hemorrhagic enterotoxemia by Clostridium perfringens type C in maturing lambs.

Experimental pneumonia in rabbits inoculated with strains of Pasteurella multocida.

Arbovirus infections in several Ontario mammals, 1975-1980.

Campylobacter colitis in ranch mink in Ontario.

Hematology and biochemistry reference values for the ranch fox.

Experimental studies on the pathogenicity of Mycoplasma ovipneumoniae and Mycoplasma arginini for the respiratory tract of goats.

The maternal to fetal transfer of immunoglobulins associated with placental lesions in sheep.

Proliferation of myogenic cells in the diaphragm of the fetal rabbit.

Physiological responses to treadmill exercise and ambient temperature in normal and malignant hyperthermia susceptible pigs.

The route of liquids administered to calves by esophageal feeder.

Electron microscopic studies on the interaction between normal mice peritoneal phagocytes and Treponema hyodysenteriae, Treponema innocens and Bacteroides vulgatus.

Blood flow distribution in hind limb bones and joint cartilage from young growing pigs.

Effect of sex, age, number of bronchoalveolar lavages and quantitation methods on the bronchoalveolar cell counts in rats.

Relationships between electromyographic ileal and colonic motility patterns in cats during fasting and feeding.

Potential subtypes of Chlamydia psittaci based on effects of cortisone with cytochalasin B or cycloheximide.

In vitro response of purified ovine peripheral blood lymphocytes to phytohemagglutinin-M.

Immunoperoxidase plaque staining for the detection of pseudorabies virus.

Comparison of the API Staph-Ident and DMS Staph Trac micromethods for the identification of coagulase-negative staphylococci.

Effects of xylazine administration on serum amylase, pancreas-specific isoamylase and pancreatic polypeptide in normal dogs.

Genomic variations and antigenic relationships among cytopathic rotavirus strains isolated in Quebec dairy herds.

Distinct serotypes of porcine rotavirus associated with diarrhea in suckling piglets in southern Quebec.

Preliminary observations on the use of latex agglutination test for the detection of mastitis due to Streptococcus agalactiae in cows.

Pathogenesis of mycoplasma pneumonia of swine.

The relationship among current management systems, production, disease and drug usage on Ontario dairy farms.

Content Provider	PubMed Central
Author	Meek, A. H. Martin, S. W. Stone, J. B. Britney, J. B. Grieve, D. G. McMillan, I.
Abstract	The study involved 110 randomly selected dairy farms located in the Ontario, Canada counties of Bruce, Grey, Huron, Oxford, Perth, Waterloo and Wellington. Herds were classified as "intensive" and "extensive". On extensive farms, data were collected at the herd level only, while on intensive farms, data were recorded at both the individual animal and herd level. Data collection continued for approximately two and one-half years. At each visit, technicians collected production data from the most recent production recording scheme report and from the "daily log" maintained by each producer. As well as the ongoing data collection procedures, a number of supplementary data collections were made. The average 305 day milk production increased gradually during the three calendar years from 6224.6 kg in 1981 to 6443.7 kg in 1983. The average calving interval was stable at 13.2 months for all three years. The majority of cows removed from the herds were culled for beef (0.243 per animal year). The next highest removal rate was for domestic sale, followed by death, export sale and destroyed. The highest disease rate, for those conditions whose rates were based on calving, was for retained placenta (0.09 per calving), while clinical mastitis was highest for those conditions whose rates were based on animal years (0.37 per animal year). The overall crude antimicrobial dosage rate, that is, including any antimicrobial used for either prophylactic or therapeutic purposes, was 3.85 doses per animal year. The rate for therapeutic purposes only was 3.6 doses per animal year. Penicillin/streptomycin was used most often with a rate of 1.45 doses per animal year.
Starting Page	7
File Format	PDF
ISSN	08309000
Journal	Canadian Journal of Veterinary Research
Issue Number	1
Volume Number	50
Language	English
Publisher Date	1986-01-01
Access Restriction	Open
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Veterinary Medicine

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