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Genetic Causes of Reproductive Problems of Embryonic Death
Nutritional Problems and Sow Reproduction 17
Factors Influencing Ovulation Sperm Transport and
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abortions animals Atrophic Rhinitis average Baxter birth birthweight boar Bordetella Bordetella bronchiseptica bred gilts Brooks cause cent claw conception rate cost culling defects digits disease drug effect Elsley factors farms farrowing rate feed level fertilisation fertility Figure gene genetic gestation Graph heat heterosis Housing required hyodysenteriae incidence increase infection infertility insemination intake intrapartum deaths Landrace boars Large White lesions losses mating medial mortality normal number of litters number of piglets number of pigs number of sows numbers born nutrition occur oestrus ovulation parturition perforated floors performance Pig Production Pityriasis rosea polygenic post-weaning pregnancy problem progeny rearing capacity reduce reproductive result semen sow stalls spermatozoa spiramycin stillbirths stockperson sub-units suckling Swedish Landrace swine dysentery Table teats temperature Total number traits treatment tylosin units uterine artery Utters variation various lactation lengths veterinary Virginiamycin vulva weaned sows weaner producer weaning weight