The Farming Express Mar4 | Page 4

Agricultural supplier Wynnstay and independent dairy consultant Owen Atkinson have teamed up to run a series of Calf Signals training days, the first of their kind in the UK. leave fresh colostrum sitting in closing over the next 48 hours. Rate again.” of closure depends on the level of Both experts agreed ideally calves the dairy, as it doubled in bacteria protein entering the gut and so the should be removed within an hour every 20 minutes, but either to feed the calf straight away or freeze it. sooner the calf is fed, the quicker of birth after it had been licked. Many farmers agreed colostrum the gut will be stimulated to close. Ideally the cow should also be bags were a worthwhile investment, This is where difficulties occur. milked as quickly as possible Cheshire vet Owen Atkinson and “If left to suckle on the cow, the within the first few hours of birth with the colostrum defrosting Wynnstay calf specialist Rebecca calf’s gut could close before the and not to leave the cow until the quicker and being easier to store than milk bottles or ice cream tubs. Richards guided farmers through main colostrum feed was given. It next milking, due to the dilution Putting the bag of frozen colostrum the six phases of heifer rearing, takes a calf 20 minutes of continual effect. in the dishwasher, running at with top tips and experiences being sucking to consume four litres 60degC for one hour, was a shared. of colostrum, something which Any cow giving eight to nine defrosting tip given by one farmer. To minimise stress on both cow newborn calves can rarely do in the litres of colostrum in the first and calf and to aid colostrum first few hours of life as they are milking was likely to have poor If using colostrometers, Mr management, both Mr Atkinson and still weak. quality because of the dilution Atkinson reminded farmers Miss Richards advocated snatch effect. Milking the cow before calving. “If removed straight away in to a calving, especially if it was leaking readings could be distorted by colostrum temperature. He said When a calf is born the gut is clean individual pen [even if this colostrum was accepted practice. ‘open’, allowing colostrum antimeans colostrum intake is delayed Miss Richard said mobile milking they were designed to work with luke warm colostrum, about bodies to quickly enter the blood slightly] giving the full four-litre units were a great piece of kit to 22degC, so could be slightly stream, but also means the calf feed when the calf’s gut is still open invest in, allowing the cow to be is susceptible to infection via the will be more beneficial. milked in the calving pen, reducing inaccurate if it was too hot or cold milk. He did not, however advise mouth. “A four-litre colostrum feed takes stress and making the colostrum Mr Atkinson said: “The gut ‘closes’ a long time to digest, even up to harvest easier. The unit could also artificially cooling colostrum for over a period of time, usually 20 hours, so, once fed, relax and be properly cleaned and disinfected. this purpose. ‘open’ for the first six hours and wait until the calf becomes hungry She also advised farmers not to Some 15 dairy and beef farmers attended the Calf Signals training day, hosted by Geoff and John Woodhouse, Bolden Farm, Lancaster.