Age-dependent intoxication by larkspur (Delphinium) in Angus steers

The effect of age on larkspur poisoning of cattle is unknown. An experiment consisting of oral dosing of dried, ground, Delphinium barbeyi to ten Angus steers as yearlings, and again at two years was performed. There was a significant difference between the responses of yearling and two year old ste...

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Bibliographic Details
Published inToxicon (Oxford) Vol. 152; pp. 57 - 59
Main Authors Green, B.T., Gardner, D.R., Cook, D., Pfister, J.A., Welch, K.D., Keele, J.W.
Format Journal Article
LanguageEnglish
Published England Elsevier Ltd 15.09.2018
Subjects
Age Factors
Age-dependent
Alkaloids - blood
Animals
Cattle
Cattle Diseases - chemically induced
Delphinium - poisoning
Larkspur
Male
Methyllycaconitine
N-(methylsuccinimido) anthranoyllycoctonine
Plant Poisoning - veterinary
Plants, Toxic
Walking - physiology
Xenobiotic
Larkspur
Methyllycaconitine
Age-dependent
Cattle
Xenobiotic
N-(methylsuccinimido) anthranoyllycoctonine
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Summary:The effect of age on larkspur poisoning of cattle is unknown. An experiment consisting of oral dosing of dried, ground, Delphinium barbeyi to ten Angus steers as yearlings, and again at two years was performed. There was a significant difference between the responses of yearling and two year old steers (P = 0.0015), with yearling steers being more susceptible. These results suggest that the adverse response of Angus cattle to larkspur is age-dependent. •Larkspurs (Delphinium spp.) are a significant problem for cattle grazing on rangelands of the western North America.•Oral dosing of dried, ground, Delphinium barbeyi to ten Angus steers as yearlings, and again at two years was performed.•There was a significant difference between the responses of yearling and two year old steers (P = 0.0015).
ISSN:0041-0101
1879-3150
DOI:10.1016/j.toxicon.2018.07.020