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Simulation of summer fescue toxicosis in beef cattle by the mechanism of vasoconstriction






American Society of Agricultural Engineers Paper (85-4509): 19

Simulation of summer fescue toxicosis in beef cattle by the mechanism of vasoconstriction

Summer fescue toxicosis, or "summer syndrome", is responsible for a substantial reduction in performance of cattle grazing tall fescue. The mechanism of action of the toxin involved has not been experimentally determined.


Accession: 001684430



Related references

Jackson, J.J.; Hemken, R.; Boling, J.; Harmon, R.; Buckner, R.; Bush, L., 1981: Loline alkaloids in tall fescue seed and their relationship to summer fescue toxicosis in cattle. Progress report Kentucky Agricultural Experiment Station: (254) 64-65

Jackson, J.A.; Hemken, R.W.; Boling, J.A.; Harmon, R.J.; Buckner, R.C.; Bush, L.P., 1984: Loline alkaloids in tall fescue hay and seed and their relationship to summer fescue toxicosis in cattle. In 3 trials, young Holstein steers housed in crates in a controlled environment were fed on tall fescue hay or seed diets to determine the ability of the diets to produce signs of summer syndrome. Trial 1 examined the effects of dehydration and ex...

Jackson J.A.Jr; Hemken R.W.; Boling J.A.; Harmon R.J.; Buckner R.C.; Bush L.P., 1984: Loline alkaloids in tall fescue festuca arundinacea hay and seed and their relationship to summer fescue toxicosis in cattle. In 3 trials, young Holstein steers housed in restraint type crates in a controlled environment room were fed tall fescue hay or seed diets to determine the ability of the diets to produce signs of summer syndrome. Trial 1 examined the effects of d...

Jackson, J.A., 1983: Summer fescue toxicosis in cattle. In feeding trials the seed of tall fescue cv. Kentucky 31 and G1-307, 150 kg steers showed signs of summer fescue toxicosis when fed >700 g seed/day. G1-307 hay produced toxic symptoms when fed to dairy steers; this effect was reduced if the ha...

Hammond, A.; Bond, J1; Stroud, B., 1982: Tall fescue summer toxicosis in cattle Festuca arundinacea. Bovine practitioner: (17) 137-142

Kitzman, J.V.; Ainsworth, A.J.; Kerr, L.A.; McCoy, C.P., 1986: Experimental treatment of fescue toxicosis in beef cattle. Two groups, each of 14 heifers, were grazed for 120 days on two Festuca arundinacea pastures, one of which was infected with the fungus Acremonium coenophialum. Mean serum prolactin value in the group grazing fungus-infected fescue was only 53.8 n...

Paterson, J.; Forcherio, C.; Larson, B.; Samford, M.; Kerley, M., 1995: The effects of fescue toxicosis on beef cattle productivity. Consumption of tall fescue forage infested with the endophytic fungus Acremonium coenophialum can result in a condition termed "fescue toxicosis," which is characterized by decreased weight gains, milk production, conception, and serum p...

Campbell, C.E.; Cross, D.L.; Irwin, J.W.; Bridges, W.C.; Thompson, C.E., 1999: The effect of a D2 dopamine receptor antagonist on fescue toxicosis in beef cattle. Journal of Animal Science 77(SUPPL 1): 8

Schuenemann, G.M.; Hockett, M.E.; Edwards, J.Lannett.; Rohrbach, N.R.; Breuel, K.F.; Schrick, F.Neal., 2005: Embryo development and survival in beef cattle administered ergotamine tartrate to simulate fescue toxicosis. Two experiments were performed to determine whether administration of ergotamine tartrate altered embryo development (Exp. 1) and uterine competency to establish pregnancy (Exp. 2) in beef cattle. Animals were fed daily either 0 (CON) or 40 mug/kg...

Jackson, J.A.J.; Hemken, R.W.; Boling, J.A.; Bull, L.S.; Bush, L.P.; Buckner, R.C., 1980: Summer fescue toxicosis as a result of feeding tall fescue seed. Castrated cattle of bodyweight 110 to 150 kg got feed with 70% seeds from tall fescue [Festuca] or cocksfoot [Dactylis] for 3 weeks; their feed intake and bodyweight decreased. In a 2nd trial, the amount of toxin required to give the signs of summ...