Scientific Publications

High biosecurity and welfare standards in fattening pig farms are associated with reduced antimicrobial use

In order to reduce antimicrobial use in pig production, the consequences of insufficient biosecurity and welfare problems need to be known. This study aimed to investigate associations between the number of antimicrobial treatments per fattening pig, and biosecurity, indicators for animal welfare as well as ...

By:A.H. Stygar, I. Chantziaras, I. Toppari, D. Maes, J. K. Niemi
April 30th, 2020|

A value chain analysis of interventions to control production diseases in the intensive pig production sector

Value chain analysis (VCA) calculated the financial effects on food chain actors of interventions to improve animal health and welfare in the intensive pig sector. Two interventions to reduce production diseases were studied. A generic chain diagram of linkages between stakeholders and value-added dimensions was ...

By:Jarkko Niemi, Richard Bennett, Beth Clark, Lynn Frewer, Philip Jones, Thomas Rimmler, Richard Tranter

PLoS ONE 15(4): e0231338.

April 8th, 2020|

The Productivity and Financial Impacts of Eight Types of Environmental Enrichment for Broiler Chickens

Fast growing broiler birds have an elevated risk of leg health problems throughinactivity. Increasing the complexity (enriching) of the rearing environment, e.g., adding straw bales into broiler houses, is suggested as a way of increasing activity levels. While a number of studies have examined the ...

By:Philip J. Jones, Fernanda M. Tahamtani, Ida J. Pedersen, Jarkko K. Niemi, Anja B. Riber
February 26th, 2020|

Differential immune response to Eimeria maxima infection in fast and slow growing broiler genotypes

Very little has been reported comparing resistance to coccidiosis in fast or slow growing broilers, the latter of which are becoming more prevalent in the broiler industry. We examined mRNA expression in the intestines of fast and slow growing broilers following Eimeria infection. We show that by ...

By:T. Giles, P. Sakkas, A. Belkhiri, P. Barrow, I. Kyriazakis, N. Foster

Parasite Immunology, 41(9), e12660,

June 20th, 2019|

Interactions between dietary Calcium and Phosphorus level, and vitamin D source on bone mineralization, performance, and intestinal morphology of coccidia-infected broilers

Coccidiosis penalizes calcium (Ca), phosphorus (P), and fat-soluble vitamin status, as well as bone mineralization in broiler chickens. We hypothesized that dietary vitamin D (VitD) supplementation in the form of 25-hydroxycholecalciferol (OHD), compared to cholecalciferol (D3), would improve bone mineralization in broilers receiving marginally deficient ...

By:I. Oikeh, P. Sakkas, D.P. Blake, I. Kyriazakis

Poultry Science, 98(11), 5679-5690,

May 23rd, 2019|

Correlation between footpad lesions and systemic bacterial infections in broiler breeders

Footpad lesions are an important factor in evaluation of animal welfare in broilers regulated by law; however, no legal requirements have been set for the parent birds. Nevertheless, the present study confirms that foot health in broiler breeders declines significantly with increasing age, thus potentially ...

By:Ida Cecilie Naundrup Thøfner, Louise Ladefoged Poulsen, Magne Bisgaard, Henrik Christensen, Rikke Heidemann Olsen, Jens Peter Christensen

Veterinary Research, 2019, 50:38,

May 22nd, 2019|

Improving leg health in broiler chickens: A systematic review on the effect of environmental enrichment

Leg problems are highly prevalent in modern broiler production and provision of environmental enrichment could be a strategy to improve leg health. Different types of environmental enrichment have undergone evaluation. Our objective was to conduct a systematic review of the effect of environmental enrichment on ...

By:I. J. Pedersen, B. Forkman

Animal Welfare, Volume 28, Number 2, May 2019, pp. 215-230 (16),

May 2nd, 2019|

Big (pig) data and the internet of swine things. A new paradigm in the industry

The present work addresses the use of data in improving decision making and farm productivity, one of the aspects that has generated more interest in swine production in recent years. In the current review, the limitations of data management and recently developed strategies in this ...

By:Carlos Piñeiro, Joaquín Morales, María Rodríguez, María Aparicio, Edgar García Manzanilla, Yuzo Koketsu

Animal Frontiers, Volume 9, Issue 2, April 2019, Pages 6–15,

April 12th, 2019|

Consumer attitudes towards production diseases in intensive production systems

Many members of the public and important stakeholders operating at the upper end of the food chain, may be unfamiliar with how food is produced, including within modern animal production systems. The intensification of production is becoming increasingly common in modern farming. However, intensive systems ...

By:Beth Clark, Luca A. Panzone, Gavin B. Stewart, Ilias Kyriazakis, Jarkko K. Niemi, Terhi Latvala, Richard Tranter, Philip Jones, Lynn J. Frewer

PLoS ONE 14(1): e0210432.

January 10th, 2019|

The challenge of incorporating animal welfare in a social life cycle assessment model of European chicken production

AbstractPurpose There is increasing public concern over standards of farm animal welfare, yet the majority of sustainability studies of livestock have thus far focused only on environmental performance and profitability. Where social analysis has been carried out, there has yet to be a consistent methodology developed ...

By:C.W. Tallentire, S.A. Edwards, T. Van Limbergen, I. Kyriazakis

The International Journal of Life Cycle Assessment,

November 24th, 2018|

Sow environment during gestation: part I. Influence on maternal physiology and lacteal secretions in relation with neonatal survival

AbstractIn pig husbandry, pregnant females are often exposed to stressful conditions, and their outcomes on maternal and offspring health have not been well evaluated. The present study aimed at testing whether improving the welfare of gestating sows could be associated with a better maternal health ...

By:E. Merlot, H. Pastorelli, A. Prunier, M.-C. Père, I. Louveau, L. Lefaucheur, M.-H. Perruchot, M. C. Meunier-Salaün, D. Gardan-Salmon, F. Gondret and H. Quesnel

Animal, 1-8. doi:10.1017/S1751731118002987

November 23rd, 2018|

Differential gene response to coccidiosis in modern fast growing and slow growing broiler genotypes

AbstractWe analysed intestinal tissues from groups of fast growing (Ross 308) broilers with natural or experimental coccidiosis, by genomic microarray. We identified genes that were differentially expressed (DE) in all groups and analysed expression of a panel of these, by qPCR, in Ross 308 and ...

By:T. Giles, T. van Limbergen, P. Sakkas, A. Belkhiri, D. Maes, I. Kyriazakis, J. Mendez, P. Barrow, N. Foster

Veterinary Parasitology, Volume 268, April 2019, pp 1-8, 10.1016/j.vetpar.2018.11.016

November 19th, 2018|

Sow environment during gestation: part II. Influence on piglet physiology and tissue maturity at birth

Abstract Sow environment during gestation can generate maternal stress which could alter foetal development. The effects of two group-housing systems for gestating sows on piglet morphological and physiological traits at birth were investigated. During gestation, sows were reared in a conventional system on a slatted ...

By:H. Quesnel, M.-C. Père, I. Louveau, L. Lefaucheur, M.-H. Perruchot, A. Prunier, H. Pastorelli, M. C. Meunier-Salaün, D. Gardan-Salmon, E. Merlot and F. Gondret

Animal, 1-8, doi:10.1017/S1751731118003087

November 16th, 2018|