Clinical Context Peer-reviewed veterinary literature continues to shape everyday decision-making for production animal practice, especially when new evidence clarifies diagnosis, treatment selection, monitoring, or clinical outcomes.

What the Study Evaluated A study published in Research in veterinary science in 2026 evaluated an intervention study to compare the outcome of administering a live intranasal Bovine Respiratory Syncytial Virus and Parainfluenza-3 vaccine to maternally derived antibody positive calves on the day of birth with calves vaccinated at one week of age..

Key Findings The aim of the study was to demonstrate the efficacy of Bovilis INtranasal RSP Live administered on the day of birth (DoB) compared with administering the same vaccine between seven and ten days of age (D7). Health (including antibiotic treatments), mortality outcomes and weights in two groups of ca…