News & Events
Case 1 with Mike Kirby, Synergy Farm Health
Herd details
- 220 milking mainly Ayrshire X, Friesian X and Norwegian Red X cows. Calving August to October, averaging 8551 litres in a 305 day lactation. Space-sharing cubicles with sand bedding, milked twice a day in a herringbone-style parlour
Clinical signs
- Increased number of 42 day returns compared to previous years, then a few reabsorption cases after ultrasound PD plus, circa 30 to 40 days
Recorded July 24 at the National Youngstock Conference.
Case 2 with Mike Kirby, Synergy Farm Health
Herd details
- 820 milking Holstein-Friesian and Brown Swiss x cows, calving AYR, averaging 10625 litres/305 days, milked 3 times a day in rotary parlour
Clinical signs
- Loosing pregnancies and increased reabsorptions
Recorded July 24 at the National Youngstock Conference.
Case 3 with Tom Laycock, Blackdown Farm Vets
Herd details
- 250 milking all year round, pedigree Holstein Friesians, averaging 9000L in a 305 day lactation, milked through a 24:24 herringbone parlour, housed in deep sand beds
- Vaccinating for BVD, leptospirosis and IBR
Clinical signs
- Abortions up to 8 months of gestation, reabsorptions post PD at 30-44 days, some reabsorbing foetuses at PD. Inter-service interval at 25-32 days was 47% (compared to the total 18-24 day service interval)
Recorded October 2024
Cases 4 and 5 with Bekky Hobbs, Castle Veterinary Centre
Herd details – Case 4
- Flying herd of 80 cows, mixed breeds, no youngstock kept on farm and no farm bred replacements kept
Clinical signs
- Poor fertility and abortions, sick cows (respiratory and gut signs/scouring), cow deaths with no other apparent cause
Herd details – Case 5
- 120 pedigree Holsteins, semi closed herd
Clinical signs
- Fertility problems and sick cows
Includes Bekky’s personal experience of Q fever. Recorded October 2024