Assessment of positive welfare: A review

JW Yeates, DCJ Main - The Veterinary Journal, 2008 - Elsevier
As a complement to the concentration on negative states in welfare science, scientists are
increasingly considering the desirability of measuring positive outcomes. Since evaluation of …

Why do pigs root and in what will they root?: A review on the exploratory behaviour of pigs in relation to environmental enrichment

M Studnitz, MB Jensen, LJ Pedersen - Applied animal behaviour science, 2007 - Elsevier
The intention of the new European legislation on rooting materials for pigs is to improve the
welfare of pigs. The question is: which materials are suitable rooting materials for pigs? To …

Environmental enrichment induces optimistic cognitive biases in pigs

C Douglas, M Bateson, C Walsh, A Bédué… - Applied Animal …, 2012 - Elsevier
The objective assessment of affective (emotional) state in farm livestock, especially positive
states, poses a significant challenge. In human psychology, there is evidence that affective …

A review of environmental enrichment for pigs housed in intensive housing systems

HA van de Weerd, JEL Day - Applied Animal Behaviour Science, 2009 - Elsevier
This paper critically reviews the literature concerning environmental enrichment for weaner,
grower and finisher pigs housed in intensive (indoor) production systems. The thesis of our …

Welfare of pigs on farm

EFSA Panel on Animal Health and Welfare … - EFSA …, 2022 - Wiley Online Library
This scientific opinion focuses on the welfare of pigs on farm, and is based on literature and
expert opinion. All pig categories were assessed: gilts and dry sows, farrowing and lactating …

Injurious tail biting in pigs: how can it be controlled in existing systems without tail docking?

RB D'eath, G Arnott, SP Turner, T Jensen… - Animal, 2014 - cambridge.org
Tail biting is a serious animal welfare and economic problem in pig production. Tail docking,
which reduces but does not eliminate tail biting, remains widespread. However, in the EU …

Image feature extraction for classification of aggressive interactions among pigs

S Viazzi, G Ismayilova, M Oczak, LT Sonoda… - … and Electronics in …, 2014 - Elsevier
The aim of this study is to develop a method for continuous automated detection of
aggressive behaviour among pigs by means of image processing. Five repetitions of the …

Assessment of animal welfare through behavioural parameters in Iberian pigs in intensive and extensive conditions

D Temple, X Manteca, A Velarde, A Dalmau - Applied Animal Behaviour …, 2011 - Elsevier
Behaviour is a significant component of well-being and should be properly considered in a
pig welfare assessment. However, interpretation of variations in behaviour is usually not …

Prevention and treatment of tail biting in weaned piglets

JJ Zonderland, M Wolthuis-Fillerup… - Applied Animal …, 2008 - Elsevier
The aims of this study were to evaluate four preventive measures and two curative
treatments of tail biting. The preventive measures were: chain, rubber hose, straw rack …

Providing effective environmental enrichment to pigs: how far have we come?

H van de Weerd, S Ison - Animals, 2019 - mdpi.com
Simple Summary The welfare of farmed pigs can be improved by modifying their
environment with bedding, substrates, or objects, so that they can perform more of their pig …