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The role of bracken fern illudanes in bracken fern-induced toxicities
Mutation Research - Reviews in Mutation Research, 2019Bracken fern is carcinogenic when fed to domestic and laboratory animals inducing bladder and ileal tumours and is currently classified as a possible human carcinogen by IARC. The carcinogenic illudane, ptaquiloside (PTQ) was isolated from bracken fern and is widely assumed to be the major bracken carcinogen. However, several other structurally similar
MIGUEL ALONSO AMELOT +2 more
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Livestock, 2023
Bracken (Pteridium species) is an ancient, large and very widespread fern that has long been recognised as poisonous. It contains several toxic compounds including ptaquiloside and thiaminase. Bracken toxicosis manifests as different clinical syndromes in different animals. Cattle develop an acute haemorrhagic syndrome leading to widespread haemorrhage
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Bracken (Pteridium species) is an ancient, large and very widespread fern that has long been recognised as poisonous. It contains several toxic compounds including ptaquiloside and thiaminase. Bracken toxicosis manifests as different clinical syndromes in different animals. Cattle develop an acute haemorrhagic syndrome leading to widespread haemorrhage
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Nature, 1962
WHILE preparing a blood smear for the differential leucocyte count, it is found that the blood of cattle in the terminal stages of bracken poisoning does not spread evenly in the manner of a normal sample, but presents a blotched or streaky appearance1 (Fig. 1).
I A, EVANS, R M, HOWELL
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WHILE preparing a blood smear for the differential leucocyte count, it is found that the blood of cattle in the terminal stages of bracken poisoning does not spread evenly in the manner of a normal sample, but presents a blotched or streaky appearance1 (Fig. 1).
I A, EVANS, R M, HOWELL
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Reviews on Environmental Health, 1979
The study of bracken carcinogenicity affords an interesting example of the close alliance, with mutual benefit, between the work of veterinarians in the field and experimental research. On the one hand was the condition found in many parts of the world of bovine enzootic haematuria with uncertain aetiology and, on the other, the investigations ...
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The study of bracken carcinogenicity affords an interesting example of the close alliance, with mutual benefit, between the work of veterinarians in the field and experimental research. On the one hand was the condition found in many parts of the world of bovine enzootic haematuria with uncertain aetiology and, on the other, the investigations ...
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The Journal of Agricultural Science, 1944
Bracken cut in June was ensiled in various ways, and some of the products were examined for chemical composition, digestibility and palatability. The main findings were:1. Overheated silage was moderately palatable to sheep and cattle, but its digestibility was low and it approximated to wheat or barley straw in feeding value.2.
W. S. Ferguson, O. Neave
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Bracken cut in June was ensiled in various ways, and some of the products were examined for chemical composition, digestibility and palatability. The main findings were:1. Overheated silage was moderately palatable to sheep and cattle, but its digestibility was low and it approximated to wheat or barley straw in feeding value.2.
W. S. Ferguson, O. Neave
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Carcinogenic Activity of Bracken
Nature, 1965THE bracken plant (Pteridium aquilinum) is known to contain radiomimetic activity. Ingestion by cattle of the whole plant, or of extracts, produces a syndrome in which there is panmyeloid bone-marrow damage, pyrexia, and often gut-lining damage and ulceration1; also typical are the widespread petechial haemorrhages2.
I A, Evans, J, Mason
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Veterinary Record, 2015
Bracken poisoning in cattle: a classic case in 15‐month‐old‐cattle Chlamydia abortus as the cause of abortion in a dairy cow
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Bracken poisoning in cattle: a classic case in 15‐month‐old‐cattle Chlamydia abortus as the cause of abortion in a dairy cow
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Outlook on Agriculture, 1959
For centuries bracken has robbed the grazier of thousands of acres of land that might otherwise be converted into good permanent pasture. Ploughing is usually impracticable on the moors and hills where the weed is at its worst, and neither cutting nor treatment with contact herbicides has a lasting effect.
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For centuries bracken has robbed the grazier of thousands of acres of land that might otherwise be converted into good permanent pasture. Ploughing is usually impracticable on the moors and hills where the weed is at its worst, and neither cutting nor treatment with contact herbicides has a lasting effect.
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