Journal of Parasitology · 1962 · 19 citations · 2 references
Veterinary MedicineAnimal SciencesInfectious DiseasesOutbreak InvestigationParasite EcologyZoonotic Disease EpidemiologyAnimal Infectious DiseasesLivestock Infectious DiseasesLivestock-associated ZoonosesSeasonal Transmission PatternsSeasonality In Disease OccurrenceZoonotic InfectionsCoccidiosis EpidemiologySeasonal Dynamics Of InfectionSeasonality Of Parasite InfectionSeasonality Of Zoonotic DiseasesSubclinical Infections
ing the winter months was first reported Bruce (1921). He described four outbreaks in the months of January, February, and March in the Kamloops and Clinton areas of British Columbia. The winter climate of this portion of British Columbia was described as by no means mild, and two of the outbreaks were observed when the temperatures fell to -30 and -40 F (-34 and -40 C). Marsh (1923, 1938) and Roderick (1928) confirmed that the disease was seen during the winter months in weaned calves usually 6 months of age or older. Some cases were seen in cattle up to 2 years of age. Winter coccidiosis occurs in the western Great Plains and mountainous areas removed from the mild coastal climate. It has been seen
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