Management of Cows. All cows are dried off six weeks before calving .or earlier.if their milk yield drops below 25 lb.When a cow is dried off.She may be given a dose of 1 lb.magnesium sulphate.though usually this is not necessary.She is then drafted into the dry cow herd.where she remans on dry cow rations untill a month before she is due to clave.She then returns to the milking herd.and comes into the milking shed twice daily.along with the milking cows.and receives milking cow rations on the basis of a yield of two gallons.If she has had a call before.she requires no further attention before calving.but if she is a calving heifer. or a known heavy milker.she has her udder washed and massaged twice daily. and is lightly milked for a week before calving.Such ante-natal milking should however.be done very gently and care should be taken to avoid cusing pain and consequent apprehension.
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