CATTLE.
SYNCHRONISED BREEDING
With F&M restricting movements it may be appropriate to reconsider using synchronised breeding programmes for AI of heifers or beef cows. A number of different systems have been tried over the years with varying success.
We now use two systems:-
a) In dairy heifers where some heat detection is possible, a single dose of estrumate is given to the group. Close observation will allow approximately 60% of heifers to be served within 3/4 days. Kamar heat detectors will improve detection rates. Any heifers not served can be reinjected 11 days later and heifers seen bulling served. A sweeper bull could be used to cover any not served.
b) Where a single fixed insemination is needed a program using cidrs, estrumate and oestradiol gives the best results. A good handling system is essential as four handlings are needed. Heifers and beef cows can be treated. Results should be in the region of 60-70% pregnant. Heifers not conceiving could be AI'd at the next bulling or a sweeper bull used.
For both systems the animals must be in good condition on a good diet and in a stable management system i.e. not just housed etc.
TEAT INJURIES
Cut teats in dairy cows have been treated by stapling the wound successfully in many cases. Staples are easy to insert compared with stitching. Wounds must be fresh and severe tread injuries will probably not work. After stapling the ideal is to avoid teat canulas and usually the quarter can be milked normally if micropore tape is used.
CALF PNEUMONIA
The pneumonia season has started early this year. We were pleased with the success of pneumonia vaccination last year, with vaccinated calves showing much less severe symptoms.
Two alternative systems were used last year.
a) Bovipast RSP covers RSV, PI3 and pasteurella. Two doses, 4 weeks apart are given to calves over 3 weeks old. The course should be completed before maximum risk time.
b) Rispoval 4 covers RSV, IBR, PI3 and BVD. Pateurella can be included. Calves over 3 months can be vaccinated. Two doses 3/4 weeks apart are give before maximum risk period.
The effects of an outbreak of pneumonia in cost of treatment, stunted growth etc., make an investment of approx. £8-10 per calf cost effective.
SHEEP
We are seeing many cases of scouring and stunted lambs. Worms, cocci, trace element deficiency, poor nutrition can all be involved. Worm problems seem particularly bad this autumn. Worm and cocci levels can quickly be checked in our lab if you bring in dung samples.
MOVEMENT LICENCES
At the time of writing we are told that licensing is to change on 17th Sept, but have not been given detailed information of the new system.
We understand that DEFRA will be paying for all vet inspections and Trading Standards will be issuing the licenses.
We will follow updates closely so if you have any queries please call and we will try to help.
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