Effect of familiarity with the environment on the behaviour and performance response of sows and piglets to grouping during lactation

Wattanakul, W.; Edwards, Sandra A.; Stewart, A. H.; English, P. R.

doi:10.1016/s0168-1591(98)00166-x

Cited by 16 publications

(10 citation statements)

References 15 publications

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“…Sows nursing at short intervals have more nursings without milk ejection (Spinka et al 1997) and it was therefore essential to determine the impact of the playback treatment on the occurrence of NPN. The fact that the percentage of NPN was similar across treatments is not surprising due to the absence of sig- Valros et al (2002) who noted a decrease in NPN between days 13 and 30 of lactation and findings of Wattanakul et al (1998). The lower incidence of NPN observed in MH sows on day 26 confirms previous observations in 50% Meishan sows, which showed less NPN than Large White sows in both early and late lactation (Farmer et al 2001).…”

Section: Discussionsupporting

confidence: 73%

Use of recorded nursing grunts during lactation in two breeds of sows. I. Effects on nursing behaviour and litter performance

Fisette¹,

Laforest²,

Robert³

et al. 2004

Can. J. Anim. Sci.

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Fisette, K., Laforest, J. P., Robert, S. and Farmer, C. 2004. Use of recorded nursing grunts during lactation in two breeds of sows. I. Effects on nursing behaviour and litter performance. Can. J. Anim. Sci. 84: 573-579. The impact of exposing lactating sows and their litters to recorded sow nursing grunts played at different intervals during lactation was studied. Yorkshire × Landrace (YL) and 25% Meishan (MH) primiparous sows were divided into three groups (n = 14): (1) no playback, (2) playbacks at 35-min intervals (GR35), and (3) playbacks at 40-min intervals (GR40). Recordings were played from day 110 of gestation to day 27 of lactation. Nursing behaviours, incidence of nursings without milk ejection (NPN), nursing interval and proportion of nursings induced by playbacks were measured on days 6, 18 and 26 of lactation. Litter size was standardized to 10 ± 1 piglets within 48 h of birth and piglets were weighed weekly. Mean nursing intervals, excluding NPN, were shorter for MH than for YL sows (P < 0.001). The increase in mean nursing interval between days 6 and 18 was greater in GR40 than in GR35 or controls (P < 0.01) and, when excluding NPN, the mean nursing interval decreased in GR35 on day 18 (P = 0.01). The occurrence of NPN decreased as lactation advanced (P < 0.001) and was lower for MH than YL sows on day 26 (P < 0.001). Between days 6 and 18, the proportion of nursings initiated by playbacks increased (P < 0.05) and the duration of milk ejection decreased (P < 0.001). In MH sows, controls had longer milk ejections than GR35 (P < 0.05) whereas, in YL sows, controls had shorter milk ejections than GR40 (P < 0.05) and GR35 (P = 0.06). Piglet growth was not affected by treatments or breed (P > 0.1). In conclusion, exposing sows and their litters to recorded sow nursing grunts played at 35-min intervals reduced nursing intervals on day 18 of lactation only, without affecting piglet performance.Key words: Auditory stimulus, behaviour, lactation, litter performance, Meishan, sows Fisette, K., Laforest, J. P., Robert, S. et Farmer, C. 2004. Utilisation de bandes sonores diffusant des grognements de tétée pendant la lactation chez deux génotypes. I. Effets sur le comportement à la mamelle et la performance des porcelets. Can. J. Anim. Sci. 84: 573-579. Ce projet visait à étudier l'impact de la diffusion d'une bande sonore de grognements de tétée à des truies et leurs portées à différents intervalles tout au long de la lactation. Des truies primipares Yorkshire × Landrace (YL) et 25% Meishan (MH) ont été divisées en trois groupes (n = 14): (1) témoins, (2) bande sonore à intervalles de 35 min (GR35), et (3) bande sonore à intervalles de 40 min (GR40). La bande sonore a été jouée du jour 110 de gestation jusqu'au jour 27 de lactation. Les comportements à la mamelle, l'incidence des tétées non-productives (TNP), l'intervalle entre les tétées et le pourcentage de tétées induites par l'écoute de la bande sonore ont été mesurés aux jours 6, 18 et 26 de la lactation. Les portées ont été uniformisées à 10 ± 1 porce...

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Section: Discussionsupporting

confidence: 73%

Use of recorded nursing grunts during lactation in two breeds of sows. I. Effects on nursing behaviour and litter performance

Fisette¹,

Laforest²,

Robert³

et al. 2004

Can. J. Anim. Sci.

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“…when sows had farrowed in a GA system compared with when sows had farrowed in crates (7.4 ± 2.0 v. 25.1 ± 9.1 occurrences/sow per 24 h on day 24 p.p.). Similarly, Wattanakul et al (1998) found that the percentage of cross-suckling piglets per nursing was about 2.4 to 5.4 times higher when litters came from farrowing crates and were simultaneously relocated and mixed in a new MS environment 2 weeks p.p., compared with litters that came from farrowing crates, were relocated to loose individual housing 7 days p.p. and gained access to an MS area connected to their pens a week thereafter.…”

mentioning

confidence: 90%

A review of sow and piglet behaviour and performance in group housing systems for lactating sows

Nieuwamerongen

Bolhuis

Peet–Schwering

et al. 2014

Animal

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Commercial use of group housing systems for lactating sows is limited, but the recent transition to group housing during gestation in the EU may result in a renewed interest in such systems. Therefore, this review aims to identify key factors that may contribute to the success or failure of group housing of lactating sows in comparison with individual housing by describing the variety in group housing systems and discussing animal behaviour and performance compared with individual housing. Group housing systems can be divided in multi-suckling (MS) systems, in which sows are grouped with their litters, and get-away (GA) systems, which include a separate communal area accessible to sows only. These systems differ in many aspects regarding management and layout but, compared with individual housing, generally provide more environmental complexity, more freedom of movement for the sows and more freedom to express behaviours related to, for example, maternal care and social interactions. Group housing poses several risks, such as disrupted nursing and an increased level of crushing during the MS phase, and in the GA systems there is a risk for early cessation of nursing. On the other hand, pre-weaning mingling of litters clearly benefits piglet social development and may improve adaptation to the post-weaning situation. In addition, group-housed sows may show lactational ovulation, which provides opportunities for insemination during an extended lactation period, which benefits the piglets. Gradual transitions in social and physical environment around gestation, farrowing, grouping and weaning seem to be key success factors for group housing systems during lactation. In addition, selection of suitable sows and quality of stockmanship seem important.

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“…A liberação do leite e da mamada propriamente dita foi caracterizada pelo momento em que os leitões mudaram os movimentos de sucção de lentos para rápidos e assim permaneceram por aproximadamente 15 segundos. Considerou-se como início da mamada o momento em que a metade dos leitões estava sugando os tetos e como fim, quando metade deles liberavam os tetos ou ficavam inativos, próximos ao úbere (Wattanakul et al, 1998). Uma mamada perdida foi considerada quando os eventos acima descritos não foram realizados.…”

Section: Introductionunclassified

Absorção de IgG via colostro em leitões biológicos e adotados após a uniformização da leitegada

Heim

Mellagi

Bierhals

et al. 2011

Arq. Bras. Med. Vet. Zootec.

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RESUMONove fêmeas de quinto parto (OP5) foram imunizadas com 4mg e 2mg de albumina sérica bovina (BSA) aos 70 e 100 dias de gestação, respectivamente. A uniformização da leitegada foi realizada 4,9±1,9h após o nascimento, antes de os leitões efetuarem a primeira mamada. As leitegadas foram compostas por cinco leitões biológicos (LB) e cinco leitões adotados (LA), com pesos semelhantes ao nascimento. Foram coletadas amostras de sangue dos leitões ao nascimento e 24h após, das fêmeas ao pós-parto e de colostro de cada grupo de tetos ao parto e 24h após. As amostras de soro e colostro foram quantificadas para IgG pelo ELISA indireto. A densidade ótica de IgG anti-BSA (DOIgG-BSA) dos leitões (24h de vida) foi correlacionada com a das fêmeas. A DOIgG-BSA entre LB e LA foi semelhante, assim como entre os grupos de tetos, ao parto e 24h após. Entretanto, ocorreu redução na DOIgG-BSA do parto até 24h após. LB e LA absorveram a mesma quantidade de IgG via colostro, quando a uniformização foi realizada até 5h pós-parto, independentemente do teto em que os leitões mamaram, uma vez que esses possuem a mesma concentração de IgG. INTRODUÇÃOUniformização de leitegadas é a transferência de leitões de leitegadas mais numerosas para as menos numerosas, ou é a formação de leitegadas com leitões de pesos semelhantes ao nascimento (Straw et al., 1998; Robert e Martineau, Recebido em 16 de julho de 2010 Aceito em 1 de julho de 2011 *Autor para correspondência (corresponding author) E-mail: fpbortol@ufrgs.br 2001). Essa prática deve ser realizada, preferencialmente, entre seis e 24 horas após o parto, período em que ainda não houve a definição da ordem de tetos de toda a leitegada − que geralmente ocorre em até 36-48 horas −, e para que os leitões absorvam o máximo de imunoglobulinas (Igs) do colostro de sua mãe biológica (Straw et al., 1998; Robert e Martineau, 2001;Pieters et al., 2008).

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Effect of familiarity with the environment on the behaviour and performance response of sows and piglets to grouping during lactation

Cited by 16 publications

References 15 publications

Use of recorded nursing grunts during lactation in two breeds of sows. I. Effects on nursing behaviour and litter performance

Use of recorded nursing grunts during lactation in two breeds of sows. I. Effects on nursing behaviour and litter performance

A review of sow and piglet behaviour and performance in group housing systems for lactating sows

Absorção de IgG via colostro em leitões biológicos e adotados após a uniformização da leitegada

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