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Farm Animal Practice
Reproductive physiology of the pig - theory into practice
  1. Mark White

    Mark White qualified from Bristol in 1981. He spent two years in general practice in Oxfordshire before moving north to Humberside where he is now a partner in a large mixed practice. His work involves him almost exclusively in pig herd health and production. He holds the certificate and diploma in pig medicine and is an active member of the Pig Veterinary Society, currently serving on its executive committee.

Abstract

THE productivity of the pig breeding herd is usually measured in terms of the number of pigs reared within a given time period by each sow. In simple terms, the aim is to produce as many litters within the time period as possible (ie, minimising lost or empty days) and to rear as many pigs as possible from each litter. This article examines the physiology of the gilt/sow and litter at the different stages of the production cycle and discusses how management, and nutrition in particular, can influence the breeding outcome.

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