Diurnal rhythms, locations and behavioural sequences associated with eliminative behaviours in fattening pigs

Guo, Yuguang; Lian, Xinming; Yan, Peishi

doi:10.1016/j.applanim.2015.01.011

Cited by 27 publications

(26 citation statements)

References 26 publications

(39 reference statements)

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“…Based on the results of this and further studies, it cannot be concluded that the brighter light leads to more elimination behavior in these areas or that these areas are avoided for lying. Another possible reason for the slightly reduced fouling of the lying area could be the pigs' preference for a separate elimination area from the resting or sleeping area [16,17,26]. Therefore, if they avoid brighter areas for resting, they use these brighter areas for defecation to keep the lying area clean.…”

Section: Discussionmentioning

confidence: 99%

“…In the current study, pigs eliminated on the slatted floor near the drinkers and next to the feeders. As pigs prefer to eliminate near corners and walls [16][17][18], the slatted floor on both sides of the pen could lead to clean lying areas. Because the feeder was located on the wall, the pigs had the opportunity to eliminate as far as possible away from the feeding area, and they seemed to prefer this [7,32].…”

Section: Discussionmentioning

confidence: 99%

“…Pigs prefer wet, cool areas with low activity for their elimination behavior [12,15]. Therefore, pigs prefer to eliminate near walls or corners and open pen partitions may lead to more elimination because of territorial function [16][17][18]. The position of the feeder and drinker also influence the pigs' behavior [19,20].…”

Section: Introductionmentioning

confidence: 99%

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Influence of Increased Light Intensity on the Acceptance of a Solid Lying Area and a Slatted Elimination Area in Fattening Pigs

Opderbeck

Keßler²,

Gordillo³

et al. 2020

Agriculture

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Animal welfare labels have been introduced to improve housing conditions in conventional pig systems. Animal welfare should be increased by, e.g. offering a well-accepted and comfortable solid lying area. This study investigates the effect of bright light from an LED spotlight in the slatted area on lying and elimination behavior of fattening pigs. It was tested for two pen designs different in feeder and arrangement of the slatted area with 18 pigs per pen. The study took place in two different compartments (spatial repetition) with two pens of each pen design. The light intensity in the slatted area was increased by two spotlights within one pen of each design as case-control approach. A total of 648 fattening pigs were tested over four and five fattening periods respectively. The lying behavior was assessed by video scan sampling at three different weekdays at three times (morning, noon, evening) on each observation day. On average, the lying area was used by 60–63% of the pigs in the control pens and 67–69% in the spotlight pens. Additionally, a tendential effect of the deviation of the room temperature from the set temperature existed. The fouling of the animals and pen was not affected by the light intensity.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Influence of Increased Light Intensity on the Acceptance of a Solid Lying Area and a Slatted Elimination Area in Fattening Pigs

Opderbeck

Keßler²,

Gordillo³

et al. 2020

Agriculture

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“…In China, concrete floor with an associative open or semiopen playground (PG) is a general rearing mode for fattening pigs (Guo et al 2015). Alternatively, the deep litter (DL) housing system is another rearing practice for hogs and emerging rapidly in China.…”

Section: Introductionmentioning

confidence: 99%

“…Pigs reared in DL system eliminate on the surface of deep litter, followed by mixing with bedding materials and either decomposition or fermentation. Compared with conventional housing systems with fully slatted floors, both DL and PG systems have potential advantages in pig welfare by partly increasing environmental enrichment for pigs (Morrison et al 2007;Guo et al 2015).…”

Section: Introductionmentioning

confidence: 99%

Comparison of two housing systems on behaviour and performance of fattening pigs

Wei

Guo

Yan

2019

Journal of Applied Animal Research

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The aim of this study was to compare the effects of different housing systems on behaviour and growth performance of fattening pigs. Forty Duroc × Meishan pigs aged 100 d were assigned into two housing systems: indoor deep litter (DL) housing (4 pens with 5 pigs/pen) and indoor pen with outdoor playground (PG; 4 pens with 5 pigs/pen). Pig behaviour, body weight, and feed intake were recorded and analysed. Results showed that DL pigs spent more time exploring (DL: 231.0 vs. PG: 178.0 s/h, P < .01), while PG pigs were more aggressive (PG: 6.6 vs. DL: 0.4 s/h, P < .01) and engaged in higher levels of abnormal behaviour (PG: 20.0 vs. DL: 3.2 s/h, P < .01), specifically stereotyped behaviour and mouth-holding/biting tail. No difference was observed for the final body weight and feed conversion efficiency. The results of this study suggest that the DL system improves pig welfare at aspects of exploratory behaviour and abnormal behaviour compared with the PG housing system under the conditions studied, providing a basis for the selection and design of optimum housing systems for pigs.

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Review: Concrete outdoor runs for organic growing-finishing pigs – a legislative, ethological and environmental perspective

Wimmler

Vermeer

Leeb

et al. 2022

Animal

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Diurnal rhythms, locations and behavioural sequences associated with eliminative behaviours in fattening pigs

Cited by 27 publications

References 26 publications

Influence of Increased Light Intensity on the Acceptance of a Solid Lying Area and a Slatted Elimination Area in Fattening Pigs

Influence of Increased Light Intensity on the Acceptance of a Solid Lying Area and a Slatted Elimination Area in Fattening Pigs

Comparison of two housing systems on behaviour and performance of fattening pigs

Review: Concrete outdoor runs for organic growing-finishing pigs – a legislative, ethological and environmental perspective

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