Calf scours could be salmonella…
BATCHES of calves that suffer prolonged scouring or fail to respond to normal scour treatments may have salmonella dublin, warns Dr Tony Andrews.
He advises taking samples of scour for analysis when groups of calves are affected. This will ensure they receive the right treatment quickly – although it will still take animals time to recover.
"Good husbandry is essential," he says. "Infected animals must be separated and given a clean bed with no draughts. They should be fed little and often, and encouraged to eat solid food when over two weeks of age. A multi-vitamin booster may help them."
Concentrated hygiene and disinfection are needed to stop a scours outbreak, in addition to finding the source of infection.
He also warns that salmonella dublin is infectious to other stock and humans. For this reason outbreaks must be reported to MAFF who will advise on its control.
• Hypomagnesaemia unless preventive measures taken.
• Foul-of-the-foot when wet.
• Need for fibre if lush grass.
• High condition scores in dry cows.
• Grass scours (in growing cattle).
• Ensure preventive programmes for parasitic bronchitis and gastroenteritis.
• Calf pneumonia if changing environmental conditions.
• Joint/navel ill in calves if indoor calving.
CATTLE: WATCH FOR
Calves with prolonged scouring or who fail to respond to normal treatments may have salmonella dublin, warns Dr Tony Andrews.