Pregnancy dates
labour
Time of Service- 283 days Due Date 1st Jan 10th Oct8 1715 2422 3129 7th Nov5th Feb 1412 2119 2826 5th Dec5th Mar 1212 1919 2626 2nd Jan2nd April 99 1616 2323 3030 6th Feb7th May 1314 2021 2728 4th Mar4th June 1311 20 18 2725 3rd Apr 2 July 109 1716 2423 1st May30 8 6th Aug 1513 22 20 2927 5th June3rd Sept 12 10 1917 2624 3rd July1st Oct 108 17 15 2422 3129 7th Aug5th Nov 14 12 2119 28 26 4th Sept 3rd Dec 11 10 1817 2524 2nd Oct31 9
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Stage 1 - Mucous plug - Clear discharge (usually means calving within 48 hrs)- Contractions 15 minutes apart - (2 to 8 hours) - Appearance of water sacStage 2 (will last from 30 minutes to 4 hours) - Water sac- Contractions 3 to 5 minutes apart (then)- Contractions 1 to 3 minutes apart- Cow may take a 5 to 10 minute break after the head is deliveredIntervention Required: Water sac visible for 2 hours and she is not trying to deliver.- Trying for 30 minutes to 1 hour and not making progress. - Bleeding from rectum - Swelling of calf's tongue- Stops trying for 15 to 20 minutes - Abnormal presentationPrior To Pulling Calf: - Wash & sanitize with solution of warm water antiseptic or dish soap- Manually dilate birth canal for 2 to 10 minutes- Once the cow is in the crush, when the cow is having contractions you can pull, but only when it is having contractions or - - Drop cow on her right side (use a rope around hind quarters)- Hook chains just above joint on the calf, then half hitch on lower leg- Pull lower leg first to "walk" shoulder through, then pull other leg & shoulder.- Pull straight out, only when cow is pushing- Allow chest to expand and breathe (continual pulling will suffocate calf)- Rotate calf 45 to 90 degrees to allow hips to pass through.If you aren't confident in doing this, call the vet if it is not proceeding as time is of essence! After Calf Is Born - Wait until cow has licked off calf, giving them time to bond, and wait until the calf has nursed if possible. Watch and make sure that the calf is drinking!
Within 24 hours the calf should have yellow Poo! (milk)
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