Gerard E. Valls-Martin

Barcelona, CT, Spain

Last Updated: 09/26/2026

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Found 39 publications

Biosecurity on pig farms in Europe: A meta-review of knowledge gaps.

Biosecurity on pig farms in Europe: A meta-review of knowledge gaps.

Journal: Research in veterinary science

Published: January 27, 2026

Which biosecurity measures are specific to free-range poultry? Insights from a scoping review.

Which biosecurity measures are specific to free-range poultry? Insights from a scoping review.

Journal: Veterinary research

Published: October 30, 2025

A review of existing scientific literature on welfare assessment of farmed species applied in commercial practice: identification of strengths, weaknesses, and areas for further development.

A review of existing scientific literature on welfare assessment of farmed species applied in commercial practice: identification of strengths, weaknesses, and areas for further development.

Journal: Frontiers in veterinary science

Published: March 07, 2025

A single recall vaccination lapse in sows triggers PRRSV resurgence and boosts viral genetic diversity.

A single recall vaccination lapse in sows triggers PRRSV resurgence and boosts viral genetic diversity.

Journal: Porcine health management

Published: December 04, 2024

Nasal microbial diversity is associated with survival in piglets infected by a highly virulent PRRSV-1 strain.

Nasal microbial diversity is associated with survival in piglets infected by a highly virulent PRRSV-1 strain.

Journal: Animal microbiome

Published: July 18, 2024

The introduction of a highly virulent PRRSV strain in pig farms is associated with a change in the pattern of influenza A virus infection in nurseries.

The introduction of a highly virulent PRRSV strain in pig farms is associated with a change in the pattern of influenza A virus infection in nurseries.

Journal: Veterinary research

Published: June 11, 2024

Selection of viral variants with enhanced transmission and reduced neutralization susceptibility alongside lateral introductions may explain the persistence of porcine reproductive and respiratory syndrome virus in vaccinated breeding herds.

Selection of viral variants with enhanced transmission and reduced neutralization susceptibility alongside lateral introductions may explain the persistence of porcine reproductive and respiratory syndrome virus in vaccinated breeding herds.

Journal: Virus evolution

Published: February 12, 2024

High levels of maternally derived antibodies do not significantly interfere with the development of humoral and cell-mediated responses to Porcine circovirus 2 after intradermal vaccination.

High levels of maternally derived antibodies do not significantly interfere with the development of humoral and cell-mediated responses to Porcine circovirus 2 after intradermal vaccination.

Journal: Porcine health management

Published: May 01, 2023

Levels of neutralizing antibodies against resident farm strain or vaccine strain are not indicators of protection against PRRSV-1 vertical transmission under farm conditions.

Levels of neutralizing antibodies against resident farm strain or vaccine strain are not indicators of protection against PRRSV-1 vertical transmission under farm conditions.

Journal: BMC veterinary research

Published: March 12, 2023

Infection dynamics, transmission, and evolution after an outbreak of porcine reproductive and respiratory syndrome virus.

Infection dynamics, transmission, and evolution after an outbreak of porcine reproductive and respiratory syndrome virus.

Journal: Frontiers in microbiology

Published: November 28, 2022

Introduction of a PRRSV-1 strain of increased virulence in a pig production structure in Spain: virus evolution and impact on production.

Introduction of a PRRSV-1 strain of increased virulence in a pig production structure in Spain: virus evolution and impact on production.

Journal: Porcine health management

Published: November 22, 2022

Systemic CD4 cytotoxic T cells improve protection against PRRSV-1 transplacental infection.

Systemic CD4 cytotoxic T cells improve protection against PRRSV-1 transplacental infection.

Journal: Frontiers in immunology

Published: August 16, 2022

Showing 1-12 of 39

Last Updated: 09/26/2026