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Acta Veterinaria Scandinavica, 1970 Of a total of 31,766 pregnancies 465 abortions were reported, in average 1.46 %. By comparison of the frequency of abortion at different times of the year a significantly higher percentage of abortion was found in sows inseminated during the summer months. No significant difference was found between 68 boars as to the frequency of abortion.
openaire +2 more sources
Nurse sow strategies in the domestic pig: I. Consequences for selected measures of sow welfare
Animal, 2019 Management strategies are needed to optimise the number of piglets weaned from hyper-prolific sows. Nurse sow strategies involve transferring supernumerary new-born piglets onto a sow whose own piglets are either weaned or fostered onto another sow. Such
O. Schmitt +3 more
doaj +1 more source
Effect of supplementing sows with Solanum glaucophyllum, a natural source of calcitriol, on farrowing performance, piglet survival and litter performance [PDF]
, 2022 Survival of piglets until weaning is a major contributor to the rentability of pig production systems. Large litters are often associated with complications and prolongation of the farrowing duration causing piglet mortality.
core +2 more sources
Effect of feeding on reproductive performance of Cajamarca creole sows over two first reproductive cycles [PDF]
SPERMOVA, 2020 An experiment was conducted to evaluate the effects feeding in Cajamarca Black Creole sows on reproductive performance. Sows (24 nulliparous) were assigned randomly within to 2 treatments and maintained on these treatments for up to 2 reproductive cycles.
Manuel Paredes +2 more
doaj +1 more source
Alternative farrowing systems: design criteria for farrowing systems based on the biological needs of sows and piglets [PDF]
, 2010 The construction of a suitable farrowing environment is a continuing dilemma: the piglet's needs must be matched with those of the sow and the farmer during the main phases that constitute farrowing: nest building, parturition and lactation. Difficulties
Edwards, SA +8 more
core +1 more source
Animal, 2015 Outdoor farrowing huts facilitate a less restricted maternal behaviour in sows compared with sows kept indoors in farrowing pens. The aim of our study was to investigate whether there are behavioural differences between primiparous sows kept outdoors in ...
M. Wülbers-Mindermann +4 more
doaj +1 more source
Weaned Sows with Small Ovarian Follicles Respond Poorly to the GnRH Agonist Buserelin
Animals, 2020 The GnRH agonist buserelin (GnRH), used to synchronize ovulation in weaned sows, attains only 70–80% effectivity, owing to several reasons of ovarian origin.
Tania P. Lopes +4 more
doaj +1 more source
Effects of dietary fibre on behaviour and satiety in pigs [PDF]
, 2008 During the past decades there has been considerable interest in the use of dietary fibre in both animal and human nutrition. In human subjects dietary fibre has been studied intensively for possible effects on body-weight management and health. In animal
Gerrits, W.J.J. +3 more
core +1 more source
Performance and parasitosis in heifers grazing mixed with sows [PDF]
, 2000 The aim of the study was to investigate the effect of mixed grazing with first season heifers and pregnant sows on animal performance, gastro-intestinal helminths, pasture quality and sward structure during three grazing seasons.
Monrad, J. +3 more
core +1 more source
Journal of Animal Science and Technology, 2019 This study was conducted to evaluate effects of dietary multi-carbohydrases (MCS) in a lactating sow diet on productive performance and immune responses of sows and their piglets.
Jeong Jae Lee +13 more
doaj +1 more source