Article
Phenotypic assessment of resistance in a flock of Pelibuey lambs experimentally infected with Haemonchus contortus.
Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria - 1 Jan 2026
Zaragoza-Vera Maritza, González-Garduño Roberto, Torres-Chablé Oswaldo Margarito, Zaragoza-Vera Claudia Virginia, Arjona-Jiménez Guadalupe, Aguilar-Caballero Armando Jacinto, Peña-Escalona Fleider Leiser
Abstract excerpt
The aim of this study was to determine the phenotypic variables commonly evaluated to segregate Pelibuey lambs as resistant or susceptible to Haemonchus contortus infection. Twenty-one lambs were infected over 3 consecutive weeks with 200 larvae per kg of body weight. The lambs were dewormed 42 days after the first infection. A second infection was performed during the growth stage (32 weeks of age), and a third...
Topics
- Animals
- Haemonchiasis
- Sheep
- Sheep Diseases
- Phenotype
- Haemonchus
- Disease Resistance