Farrowing behaviour and stillbirth in two environments: An evaluation of the restraint-stillbirth hypothesis

Arey, 1992, Farrowing accommodation and piglet mortality, Farm Building Progress, 107, 5 Arey, 1992, The peri-parturient behaviour of sows housed in pairs, Applied Animal Behaviour Science, 34, 49, 10.1016/S0168-1591(05)80056-5 Baxter, 1980, The effect of restraint on parturition in the sow, 6, 84 Bille, 1974, Preweaning mortality in pigs. II. The perinatal period, Nordisk Veterinaermedicin, 26, 294 Blackshaw, 1994, Comparison of behaviour patterns of sows and litters in a farrowing crate and a farrowing pen, Applied Animal Behaviour Science, 39, 281, 10.1016/0168-1591(94)90163-5 Cronin, 1991, The welfare of pigs in two farrowing/lactation environments: cortisol responses of sows, Applied Animal Behaviour Science, 32, 117, 10.1016/S0168-1591(05)80036-X Cronin, 1993, The effects of providing sawdust to pre-parturient sows in farrowing crates on on sow behaviour, the duration of parturition and the occurrence of intra-partum stillborn piglets, Applied Animal Behaviour Science, 36, 301, 10.1016/0168-1591(93)90128-C Cronin, 1993, Piglet survival in a conventional crate versus an ‘alternative’ farrowing system, 128 Cronin, 1992, Effects of accommodation type and straw bedding around parturition and during lactation on the behaviour of primiparous sows and survival and growth of piglets to weaning, Applied Animal Behaviour Science, 33, 191, 10.1016/S0168-1591(05)80007-3 Cronin, 1994, The behaviour of primiparous sows around farrowing in response to restraint and straw bedding, Applied Animal Behaviour Science, 39, 269, 10.1016/0168-1591(94)90162-7 Cronin, 1991, The effects of modifying the farrowing environment on sow behaviour and survival and growth of piglets, Applied Animal Behaviour Science, 30, 287, 10.1016/0168-1591(91)90133-I Curtis, 1989, Effects of sow-crate design on health and performance of sows and piglets, Journal of Animal Science, 67, 80, 10.2527/jas1989.67180x Edwards, 1988, The effects of straw in crated farrowing systems on peripartal behaviour of sows and piglets, British Veterinary Journal, 144, 139, 10.1016/0007-1935(88)90046-2 Edwards, 1994, An analysis of the causes of piglet mortality in a breeding herd kept outdoors, Veterinary Record, 135, 324, 10.1136/vr.135.14.324 English, 1975, Some causes of death in neonatal piglets, Veterinary Annal, 15, 95 Fraser, 1990 Fraser, 1988, Initial test of a farrowing crate with inward-sloping sides, Livestock Production Science, 20, 249, 10.1016/0301-6226(88)90076-0 Friend, 1966, Piglet birthweights and the order of farrowing, Canadian Journal of Comparative Medicine, 30, 179 Friend, 1962, The duration of farrowing in relation to the reproductive performance of Yorkshire sows, Canadian Journal of Comparative Medicine, 26, 127 Gertken, 1993, Untersuchungen zur integrierten Sauenhaltung unter besonderer Berücksichtigung von Verhalten, Konstitution und Leistung. 2 Mitteilung: Konstitution und Leistung, Züchtungskunde, 65, 188 Gustafsson, 1983, Effects of sow housing systems in practical pig production, Transactions of the ASAE, 26, 1181, 10.13031/2013.34101 Hansen, 1984, Tethered versus loose sows: Ethological observations and measures of productivity: II, production results, Annales des Recherches Vétérinaires, 15, 185 Harvey, 1982, Least squares analysis of discrete data, Journal of Animal Science, 54, 1067, 10.2527/jas1982.5451067x Jensen, 1986, Observations on the maternal behaviour of free-ranging domestic pigs, Applied Animal Behaviour Science, 16, 131, 10.1016/0168-1591(86)90105-X Jones, 1966, Observations on parturition in the sow. Part II. The parturient and post-parturient phases, British Veterinary Journal, 122, 471, 10.1016/S0007-1935(17)40303-4 Lawrence, 1992, Naloxone prevents interruption of parturition and increases plasma oxytocin following environmental disturbance in parturient sows, Physiology and Behavior, 52, 917, 10.1016/0031-9384(92)90371-8 Lou, 1994, An ellipsoid farrowing crate: its ergonomical design and effects on pig productivity, Journal of Animal Science, 72, 2610, 10.2527/1994.72102610x MacDonald, 1963, Some factors influencing the losses of pigs prior to weaning, Canadian Journal of Comparative Medicine and Veterinary Science, 27, 237 McGlone, 1987, An examination of behavioral, immunological and productive traits in four management systems for sows and piglets, Applied Animal Behaviour Science, 18, 269, 10.1016/0168-1591(87)90222-X McGlone, 1990, Productivity and behavior of sows in level vs sloped farrowing pens and crates, Journal of Animal Science, 68, 82 McGlone, 1994, Evaluation of crates and girth tethers for sows: reproductive performance, immunity, behavior and ergonomic measures, Applied Animal Behaviour Science, 39, 297, 10.1016/0168-1591(94)90164-3 Naaktgeboren, 1979, Behavioural aspects of parturition, Animal Reproduction Science, 2, 155, 10.1016/0378-4320(79)90044-7 Parry, 1986, The effect of confinement on behaviour and reproductive performance in the sow, Agricultural Progress, 61, 46 Phillips, 1991, Preference by sows for a partially enclosed farrowing crate, Applied Animal Behaviour Science, 32, 35, 10.1016/S0168-1591(05)80161-3 Phillips, 1992, Sow preference for farrowing crate width, Canadian Journal of Animal Science, 72, 745, 10.4141/cjas92-086 Randall, 1971, The relationship of arterial blood pH and pCO2 to the viability of the newborn piglet, Canadian Journal of Comparative Medicine, 35, 141 Randall, 1972, Observations on parturition in the sow. I. Factors associated with the delivery of the piglets and their subsequent behaviour, Veterinary Record, 90, 178, 10.1136/vr.90.7.178 Randall, 1972, Observations on parturition in the sow. II. Factors influencing stillbirth and perinatal mortality, Veterinary Record, 90, 183, 10.1136/vr.90.7.183 Rohde Parfet, 1989, Effects of sow-crate design on sow and piglet behavior, Journal of Animal Science, 67, 94, 10.2527/jas1989.67194x SAS Institute Inc., 1989, vol. 2 Sprecher, 1975, Effects of parasympathomimetics on porcine stillbirth, American Journal of Veterinary Research, 36, 1331 Sprecher, 1974, Causes and control of swine stillbirths, Journal of the American Veterinary Medicine Association, 165, 698 Svendsen, 1980, Perinatal mortality in pigs: influence of housing, 6, 83 Svendsen, 1984, Perinatal mortality in pigs: factors contributory to the occurrence of intra partum dead pigs, 8, 369 Vestergaard, 1984, Tethered versus loose sows: ethological observations and measures of productivity. I. Ethological observations during pregnancy and farrowing, Annales des Recherches Vétérinaires, 15, 245 Weber, 1988, Die Bedeutung der Zeitdauer der Geburt in verschiedenen Abferkelbuchten zur Beurteilung auf Tiergerechtheit, KTBL-Schrift (Kuratorium für Technik und Bauwesen in der Land-wirtschaft), 323, 172