Assessment of the drinker type on water intake and toy type on behaviour of nursery piglets

Luciane Maria Stumpf, Jansller Luiz Genova, Liliana Bury de Azevedo dos Santos, Paulo Evaristo Rupolo, Geraldyne Nunes Wendt, Cristine Regina Gregory, Newton Tavares Escocard de Oliveira, Silvana Teixeira Carvalho, Jhuliendri Bortoluzzi, Paulo Levi de Oliveira Carvalho

Abstract


This study was conducted to assess the effect of two types of drinkers on water intake (WI) and two types of toys on behavioural observations of piglets in the nursery phase. A total of 72 crossbred entire male piglets (Landrace × Large White, Agroceres and DanBred), weaned at 21 days of age, with an average initial body weight (AIBW) of 6.75 ± 0.19 kg were used. Two statistical models were fitted for WI. In model I, animals were distributed in a completely randomized design (CRD) with a split-plot in time, composed of six treatments (2 types of drinkers × 3 experimental phases), eight replications (days of sampling), and 36 animals/experimental unit (EU), without using AIBW as a covariate. In model II, animals were distributed in a CRD with two treatments (fixed or pendular nipple drinkers), eight replications (days of sampling) and 36 animals/EU, with use of AIBW as a covariate. For assessment of behavioural observations, the model was adjusted in a randomized block design, consisting of four treatments [two types of toys (metal chain and plastic bottle) × two daytime periods (morning and afternoon)], nine replications and three blocks constituted in time (days), totalling four pigs/EU. The results indicated an effect on animal daily WI in the starter phase in model I (p < 0.000) and II (p = 0.006). There was an effect (p smaller 0.05) of toy type for behavioural observations, in which pigs showed a greater proportion of fighting and belly nosing when they had the bottle toy. However, animals spent more time (p smaller 0.05) eating, drinking water, overlapping, and playing with the toy when they had access to the chain toy. There was an increase (p smaller 0.05) in sleeping behaviour in the morning period, as well as greater (p smaller 0.05) behavioural activity in the afternoon period. In conclusion, WI of nursery piglets was positively influenced by growth phase, and the fixed drinker stimulated greater WI in piglets in the starter phase. In addition, the metal chain, as an environmental enrichment, promoted improvements in feeding behaviour and WI, reducing fighting events, and the afternoon period had increased behavioural observations overall.

Keywords


Animal welfare; Behaviour; Drinker type; Environmental enrichment; Water intake; Weaned piglet.

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DOI: http://dx.doi.org/10.5433/1679-0359.2022v43n1p367

Semina: Ciênc. Agrár.
Londrina - PR
E-ISSN 1679-0359
DOI: 10.5433 / 1679-0359
E-mail:  semina.agrarias@uel.br
Este obra está licenciado com uma Licença  Creative Commons Atribuição-NãoComercial 4.0 Internacional