Breed-dependent associations of production characteristics with on-farm seropositivity for Ostertagia ostertagi in dairy cows

Key Points

• Seropositivity for Ostertagia ostertagi is linked to specific breed-dependent production traits.
• Significant associations reflect differences in dairy cow breeds and their resistance to Ostertagia ostertagi infection.
• Analysis of on-farm data from various breeds highlights the impact of genetic factors on health.
• Findings suggest that breed selection may improve management strategies for Ostertagia ostertagi control.