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Abstracts - Management

Effects over time of different types of sounds on gestating sows’ behavior

Frequent emission of short sounds can reduce time spent sleeping and cause behavior changes. However, gestating sows can habituate to the sound stimuli and return to normal behavior.

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Impact of enrichment and repeated mixing on resilience in pigs

Enrichment did not enhance the speed of recovery from challenges in pigs, although there were indications of reduced stress

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The beneficial effects of providing prepartum sows with nesting materials

The provision of nesting material to sows prior to farrowing can increase sow maternal care traits and piglet performance.

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333 Emerging Voices: Evaluation of tail biting in pigs at the abattoir

Integrated Master's Dissertation in Veterinary Medicine by Alice Gomes from UTAD (Portugal) advised by Professor Madalena Vieira-Pinto.

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Effects of providing sensory attractants to suckling pigs during lactation and after weaning on post-weaning growth performance

Environmental enrichment with cubes appears to have the greatest effect when applied post-weaning whereas flavor attractants appear to have the greatest effect when applied both pre- and post-weaning.

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Effect of method of drying piglets at birth on rectal temperature over the first 24 h after birth

Results suggest that drying piglets at birth is an effective method to reduce rectal temperature decline in the early postnatal period, especially for low birth weight piglets.

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Abstract

Changes in cortisol and cortisone in hair of pigs under heat stress

The use of cortisone and the estimation of 11β-HSD type 2 activity in hair is recommended instead of using hair cortisol concentrations alone.

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Weighted pain-related behaviors in pigs undergoing castration based on multilevel logistic regression algorithm

Results indicate that the pain-related behaviors in pigs from the UPAPS have different statistical weights.

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Effects of early intermittent maternal separation on behavior, physiological, and growth performance in piglets

Early intermittent neonatal maternal separation created stress and affected the growth performance of piglets during suckling. However, the growth rate was improved by compensatory measures during late weaning.

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Effects of two mixing times post-service on the welfare of sows in a group housing system with free access stalls

Findings may explain numerically lower pregnancy and farrowing rates in sows mixed two days post-service.

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Effects of jute nesting material and enriched piglet mats on sow welfare and piglet survival

The jute material and piglet nests positively impacted sow welfare and piglet measures but did not translate into improved piglet survival.

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Preferential associations in an unstable social network: applying social network analysis to a dynamic sow herd

These findings highlight the complexities involved when forming social preferences and present a platform for further exploring the motivations for preferential associations among intensively farmed pigs.

Gilt replacement simulator

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Abstract

Genetic associations between human-directed behavior and intraspecific social aggression in growing pigs

Heritability estimates for all studied traits suggest they could be suitable as a method of phenotyping aggression and fear/boldness for genetic selection purposes.

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Effects of pen size, design, bedding, rooting material on cleanliness and air quality in fattening pig houses

Physical and ambient conditions affecting pen and pig cleanliness and air quality.

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Characterizing resilience to weaning stress and its associations with behavioral differences in finishing gilts

Resilience to weaning stress was associated with behavioral differences in finishing gilts at mixing and when faced with novel situations.

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Reproductive performance of gilts and weaned sows grouped at different days after insemination

Group housing gestating sows 2 days after breeding compromised litter size; however, mixing gilts on days 1 to 4 after breeding did not impair reproductive performance.

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Risk factors differ for viable and low viable crushed piglets in free farrowing pens

Results show the importance of differentiating between low viable and viable crushed piglets for the interpretation of risk factors for crushing losses.

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Effects of farrowing hut design on maternal and thermoregulatory behavior in outdoor housed sows and piglets

The metal hut appears to be the best compromise considering thermal environment, behavior, and litter survival.

Pig glossary

Definition for the most commonly used pig terms

Women in Ag Award 2026: Announcement of Winners

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Efficacy of transdermal flunixin in mitigating castration pain in piglets

Castrated piglets treated with transdermal flunixin demonstrated lower total pain scores and required less analgesic intervention immediately post-castration compared to castrated piglets receiving no treatment.

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The effect of gilt flow management during acclimation on Mycoplasma hyopneumoniae detection

A similar M. hyopneumoniae detection pattern was observed regardless of gilt flow.

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Analysis of image-based sow activity patterns reveals associations with piglet survival and early growth

The live-born piglets of sows that were more active the day before farrowing, standing and in other activity than drinking and eating, had higher survival rates.

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