Protection of Merino lambs against Haemonchus contortus by trickle infection of neonates

Autor: David Emery, R.J Davey, S.J. McClure
Rok vydání: 2000
Předmět:
Zdroj: Parasitology International. 49:165-170
ISSN: 1383-5769
DOI: 10.1016/s1383-5769(00)00038-6
Popis: In two trials, lambs were trickle infected with 400 or 1000 infective larvae of Haemonchus contortus (HcL(3)), twice weekly for 4 weeks from the day of birth. Following anthelminthic treatment at 6 weeks (Trial 1) or 7 weeks of age (Trial 2), lambs were challenged 1 week later with a trickle infection totalling 5000 (Trial 1) or 10000 HcL(3) (Trial 2). In both cases, significant protection (P
Databáze: OpenAIRE