Dicoumarol (Moldy Sweet Clover) Toxicosis in a Group of Holstein Calves
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چکیده
منابع مشابه
Identification of T-2 toxin in moldy corn associated with a lethal toxicosis in dairy cattle.
Over a 5-month period during the winter of 1970-71, 20% of the lactating Holstein cows in a Wisconsin dairy herd died after prolonged ingestion of a diet containing 60% moldy corn infested with Fusarium tricinctum (2 x 10(5) propagules per g of moldy corn). Ethyl acetate extracts of the ground dried corn induced severe dermal reactions when applied to the skin of shaved 60-g albino rats and kil...
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An 8-day-old newborn female twin Holstein calves with a history of weakness, anorexia, emaciation and convulsion were presented to Tabriz University Veterinary Teaching Hospital. On admission, the calves were febrile and recumbent. Physical examination revealed many ticks from the external body surface of the animals, right and left prescapular lymphadenopathy, severe opisthotonos, nystagmus, p...
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A recently observed lethal congenital defect of purebred Holstein calves is reported. Eighteen genetically related calves were necropsied. One calf had been aborted on gestation day 159, and the others were delivered between day 250 and day 285. Birth weights were reduced. The defect was characterized by shortening of the cervical and thoracic parts of the vertebral column due to multiple hemiv...
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Demodicosis in cattle is caused by a microscopic mite, Demodex bovis. The parasites live sometimes in large numbers in the hair follicles and associated skin glands. The disease is well described and quite common in tropical zones, but rare and most likely underestimated in temperate regions, especially in Europe (Fisher, 1973; Matthes, 1994). Demodectic mange in cattle is known to be usually a...
متن کاملInteraction of Photoperiod & Vernalization in Flowering of Sweet Clover (Melilotus).
Melilotuis albus (alba) Desr. and M. officinalis (L.) Lam. are normally biennials flowering only in the 2nd year of growth. Under natural conditions the seeds germinate in the spring and the plants grow slowly during the first season, reaching a height of 1 to 2 feet. An enlarged storage root with a number of adventitious buds is formed in the fall and lives through the winter. In the second sp...
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ژورنال
عنوان ژورنال: Journal of Veterinary Diagnostic Investigation
سال: 1995
ISSN: 1040-6387,1943-4936
DOI: 10.1177/104063879500700328