Zobrazeno 1 - 10
of 101
pro vyhledávání: '"H, HERLICH"'
Autor:
H. Herlich
Publikováno v:
Veterinary Parasitology. 2:377-383
Rabbits infected with the ruminant parasites Trichostrongylus axei and T. colubriformis were administered eight drugs (phenothiazine, thiabendazole, haloxon, cambendazole, mebendazole, levamisole, fenbendazole, and oxibendazole) at dose rates known t
Publikováno v:
Veterinary Parasitology. 16:253-260
Two laboratory-maintained isolates of Ostertagia ostertagi and 1 recently isolated from grazing cattle, were compared for their infectivity and pathogenicity in Holstein-Friesian calves. Calves were inoculated with 200 000 and 300 000 infective larva
Autor:
H. Herlich, F.W. Douvres
Publikováno v:
Journal of Dairy Science. 60:283-288
That animals can and do acquire an effective immunity against helminth parasites has been demonstrated extensively experimentally, and the fact that domestic animals such as cattle, sheep, and horses become adults while maintaining good health in spi
Autor:
H. Herlich
Publikováno v:
Veterinary Parasitology. 4:153-160
Calves were immunized with 10 000 infective larvae each of Haemonchus contortus, Ostertagia ostertagi , and Trichostrongylus axei and challenged with 100 000 of each species. When compared with nonimmunized controls, the immunized calves had 95% fewe
Publikováno v:
Journal of Dairy Science. 37:562-570
Summary Thirty-two new-born calves were divided equally and placed in individual outdoor portable pens or in a barn and exercise lot during a test covering 2 years. During the second year, half of the calves in each system of management were given in
Autor:
H, Herlich
Publikováno v:
American journal of veterinary research. 40(6)
In one experiment, 21 calves were given daily oral immunizing inoculations of 1,000 infective larvae (L3) of Trichostrongylus axei, an abomasal nematode parasites, for 35 weeks. Calves were euthanatized in groups of three every 5 weeks to determine i
Autor:
H, Herlich
Publikováno v:
American journal of veterinary research. 41(2)
Twelve cattle, three per group, were each inoculated orally with 100,000 Ostertagia ostertagi infective larvae when they were 2 months, 4.5 months, 12 months, and 24 months-old, respectively. Signs of clinical parasitism did not develop through 30 da
Autor:
H, Herlich
Publikováno v:
American journal of veterinary research. 37(1)
Various single or multiple doses of Ostertagia ostertagi were administered to young calves, and the production of protection phenomena elicited by single challenge inoculations ranging from 50,000 to 300,000 larvae or multiple challenge inoculations
Autor:
H, Herlich, F G, Tromba
Publikováno v:
The Journal of parasitology. 66(4)