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Animal Science Database

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Abstract

Wild boars (Sus scrofa) are often kept in enclosures for hunting or meat production purposes in Sweden. The sows are known to undergo behavioural changes in connection with farrowing and their natural behaviours may be compromised by the limited area of the enclosure. The aim of this study was to...

Author(s)
Andersson, A.; Äänismaa, R.; Huusko, J.; Jensen, P.
Publisher
Elsevier GmbH, München, Germany
Citation
Mammalian Biology, 2011, 76, 3, pp 332-338
Abstract

The behaviour of 42 piglets from 13 litters was recorded immediately after birth and after suckling when the piglets were 16-24 h and 3 weeks old; the piglets were undisturbed during the behaviour recordings which lasted 1 h and 16 min, respectively. At 3 weeks of age, piglets were moved to a novel ...

Author(s)
Jensen, P.; Forkman, B.; Thodberg, K.; Köster, E.
Citation
Applied Animal Behaviour Science, 1995, 45, 1-2, pp 43-52
Abstract

In an experiment in which repeated paired encounters were staged between female piglets 1, 5 and 9 weeks of age, 10 pairs of each age, matched for weight, age did not influence the probability that the piglets would fight during the tests. However, 1-week-old animals fought for a shorter time and...

Author(s)
Jensen, P.
Citation
Applied Animal Behaviour Science, 1994, 41, 1/2, pp 37-52
Abstract

Two groups of Swedish Landrace pigs were kept in semi-natural enclosures of 7 and 13 ha. Out of these groups, the nursing and sucking behaviour of 7 multiparous and 3 primiparous sows and their litters were studied during two 2 h sampling sessions per day during 10 days postpartum in the period...

Author(s)
Jensen, P.; Stangel, G.; Algers, B.
Citation
Applied Animal Behaviour Science, 1991, 31, 3-4, pp 193-209
Abstract

The behaviour of a group of seven domestic pigs following transportation and release into a novel, 12.5 ha, semi-natural environment was recorded immediately after release, on days 1-4 and 19-20 after release and on an extensive following-up 3 months later. The pigs appeared to follow their own...

Author(s)
Wood-Gush, D. G. M.; Jensen, P.; Algers, B.
Citation
Biology of Behaviour, 1990, 15, 2, pp 62-73
Abstract

The development of social relationships of piglets was studied in groups of domestic pigs living under free-range conditions. The frequencies of 8 types of social interactions were recorded and nearest neighbours were identified at time intervals. Immediately after joining the social group [at Week ...

Author(s)
Petersen, H. V.; Vestergaard, K.; Jensen, P.
Citation
Applied Animal Behaviour Science, 1989, 23, 3, pp 223-236
Abstract

Author(s)
Jensen, P.; Wood-Gush, D. G. M.
Citation
Applied Animal Behaviour Science, 1984, 12, 4, pp 327-337
Abstract

A total of 97 sows were observed in this part of the study. Loose-housed sows showed a more complex pattern of behaviour with straw (e.g. chewing, collecting, shaking or pawing) than tethered sows, or those with a stall + dunging alley system of housing. The social behaviour of loose-housed sows...

Author(s)
Jensen, P.
Citation
Svensk Veterinartidning, 1981, 33, 5, pp 108-115
Abstract

A total of 17 dry sows, in three groups, were observed for a total time of 70 hours, equally spread out between 06.00 and 18.00 h. The ten main interaction patterns observed were: parallel pressing, inverse parallel pressing, head-to-head knock, head-to-body knock, levering, nose-to-nose,...

Author(s)
Jensen, P.
Citation
Applied Animal Ethology, 1980, 6, 4, pp 341-350