OOIR: Observatory of International Research

Papers

(The median citation count of Porcine Health Management is 2. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-05-01 to 2026-05-01.)

Article	Citations
Dietary steviol glycosides mixture supplementation modulates the gene expression of gut chemoreceptors and enhances the antioxidant capacity in weaned piglets	58
Supplementation of glutamine in a short-term boar semen extender during 17°C holding time enhances post-thaw sperm quality for cryopreservation	57
Introduction of a PRRSV-1 strain of increased virulence in a pig production structure in Spain: virus evolution and impact on production	41
Description of patterns of ear and tail lesions during the grower-finisher period in a commercial pig farm	32
Effect of mixing at weaning and nutrient density of the weaner diet on growth performance and welfare of pigs to slaughter	32
Early behavioral indicators of aberrant feces in newly-weaned piglets	27
Experimental efficacy of vaccination of weaned piglets with a modified-live commercial PRRS virus vaccine against the challenge with a Spanish highly virulent PRRSV-1 strain	25
Systematic review and meta-analysis on the diagnostic accuracy of various detection methods for porcine reproductive and respiratory syndrome virus	24
Are biters sick? Health status of tail biters in comparison to control pigs	23
Characterization of a Pasteurella multocida type a strain associated with a severe bronchopneumonia outbreak in gilts	23
Topical wound-care products and their effects on healing, inflammatory biomarkers, and growth in piglets undergoing castration	22
Field trial: disinfection of contaminated anesthetic masks for piglets	22
Salivary and serum haptoglobin, adenosine deaminase, and immunoglobulin G in growing pigs	21
Influenza A virus infection dynamics in two sow herds and effects of interventions	21
Swinepox virus: an unusual outbreak in free-range pig farms in Sicily (Italy)	20
Salmonella enterica subspecies enterica serovar Choleraesuis in a Swedish gilt-producing herd, a case report	19
Farm management practices, biosecurity and influenza a virus detection in swine farms: a comprehensive study in Colombia	19
Comparative analysis of ECG records depending on body position in domestic swine (Sus scrofa domestica)	16
Risk factors associated with post-weaning diarrhoea in Austrian piglet-producing farms	15
Characterising responses in group-housed pigs to Salmonella typhimurium infection through integrated computer vision–based behavioural monitoring and statistical analyses	15
Effects of β-glucan on Salmonella enterica serovar Typhimurium swine colonization and microbiota alterations	14
The first detection of swine orthopneumovirus in a pig farm in Sweden: a case report	14
Can immunocrit be used as a monitoring tool for swine vaccination and infection studies?	13
Cross-sectional study of Mycoplasma hyopharyngis, Mycoplasma hyopneumoniae, Mycoplasma hyorhinis and Mycoplasma hyosynoviae in the tonsils of fattening pigs from Central-Eastern Europe	13
Prevention of umbilical outpouchings and mortality in pigs: Meloxicam, tying, cutting, and chlorhexidine versus amoxicillin or no treatment? A clinical field trial	13

Implementation of piglet castration under inhalation anaesthesia on farrowing farms	13
Disease-associated Streptococcus suis (DASS) in lactation: detection patterns and implications for control	12
Risk assessment for Brucella suis biovar 2 in Danish pigs	12
Analysing biomarkers in oral fluid from pigs: influence of collection strategy and age of the pig	11
Detection and quantification by molecular techniques of early infection by Lawsonia intracellularis in suckling piglets	11
Factors influencing the bone mineral density in Duroc boars	11
Detecting ear lesions in slaughtered pigs through open-source convolutional neural networks	10
Analysis of the drivers of ASF introduction into the officially approved pig compartments in South Africa and implications for the revision of biosecurity standards	10
Impact of supplementation with dihydroxylated vitamin D3 on performance parameters and gut health in weaned Iberian piglets under indoor/outdoor conditions	10
Comparison of efficacy of needle-free injection versus injection by needle for iron supplementation of piglets: a double blind randomized controlled trial	10
Sex-based differences in the distribution of Aujeszky’s disease-seropositive Japanese wild boar	10
Influence of parity and reproductive stage on the prevalence of Mycoplasma hyopneumoniae in breeding animals in belgian farrow-to-finish pig herds	10
The impact of swine diseases on total factor productivity of pig farms of different scales in China	10
Comparison of antimicrobial susceptibility of Glaesserella parasuis from different pig production systems in Taiwan between 2015 and 2020	9
Effects of synthetized porcine follicle-stimulating hormone and synthetized human chorionic gonadotropin on reproductive efficiency in pigs	9
Economic feasibility of interventions targeted at decreasing piglet perinatal and pre-weaning mortality across European countries	9
Risk of Porcine reproductive and respiratory syndrome virus introduction into Danish pig farms: a register-based study	9
Evaluation of PCV2 vaccine immunogenicity and efficacy using ELISpot to detect virus-specific memory B cells	9
Short communication: Estimation of the dietary standardized ileal digestible valine to lysine ratio required for 40 to 130 kg pigs during the finisher periods	8
The role of gilts in transmission dynamics of swine influenza virus and impacts of vaccination strategies and quarantine management	8
Genomic characteristics and epidemic trends of NADC30-like PRRSV in China	8
Postpartum dysgalactia syndrome in sows: effects on behavior of sows and piglets	8
In vitro evaluation of gentamicin activity against Spanish field isolates of Brachyspira hyodysenteriae	8
Part I: understanding pain in pigs—basic knowledge about pain assessment, measures and therapy	8
Gastric ulcers in finishing pigs: the evaluation of selected non-dietary risk factors and impact on production performance	8
Serum IgA and bactericidal immunity against Streptococcus suis serotype 2 is increasing between 2 and 6 weeks of age in a farm with autogenous bacterin vaccination pre-farrowing, while specific matern	8
Correction to: Is a new generation of mycotoxin clay adsorbents safe in a pig’s diet?	7
Effects of cloprostenol sodium and carbetocin on synchronous parturition and colostrum composition in large white sows	7
Longitudinal study on the influence of sow and piglet vaccination on seroprevalence of Salmonella Typhimurium in rearing pigs and at slaughter in a farrow-to-finish production system	7
Accelerating sow nursing behavior monitoring with modified YOLO11n architecture and TensorRT integration	7
Streptococcus equi subspecies zooepidemicus – a case report of sudden death in a German sow farm	7
A proposal of a fecal scoring system based on physicochemical analyses of suckling pig feces	7
Effect of Ningxiang pig-derived Lactobacillus reuteri supplementation on the growth performance, lipid metabolism, and gut microbiota of finishing pigs	7
Foot lesions and forelimb skin abrasions in suckling piglets: development and risk factors	7
Development of a urogenital scoring system and evaluation of macroscopic parameters influencing the sexual cycle in slaughtered sows	7
A single recall vaccination lapse in sows triggers PRRSV resurgence and boosts viral genetic diversity	7
Porcine ear necrosis in nursery piglets is preceded by oral manipulations of the ear	7
The kinetics of maternal and self-developed Streptococcus suis-specific antibodies	7
Pathobiological analysis of African swine fever virus contact-exposed pigs and estimation of the basic reproduction number of the virus in Vietnam	6
Retrospective assessment of porcine circovirus 3 (PCV-3) in formalin-fixed, paraffin-embedded tissues from pigs affected by different clinical-pathological conditions	6
High incidence of stillbirths in a free farrowing system linked to uterotonic misuse and improper farrowing management: a case report	6
Landscape review about the decision to euthanize a compromised pig	6
Occurrence of claw asymmetries in fattening pigs and potential impact on the development of sole ulcerations	6
TbpB-based oral mucosal vaccine provides heterologous protection against Glässer’s disease caused by different serovars of Spanish field isolates of Glaesserella parasuis	6
First molecular detection of porcine rotavirus B (RVB) in Poland – case study and genome analysis	6
Feed intake patterns of modern genetics lactating sows: characterization and effect of the reproductive parameters	6
Evaluating postmortem tongue fluids as a tool for monitoring PRRSV and IAV in the post-wean phases of swine production	6
The role of human–pig interactions in modulating gut microbiota, stress, and performance	5
Influenza surveillance in pigs: balancing act between broad diagnostic coverage and specific virus characterization	5
The functional evaluation of Pichia pastoris hydrolysate as a protein source partial replacement of soybean meal in diets of growing-finishing pigs	5

Epidemiology of Influenza A virus in Swiss pig herds: subclinical circulation and associated risk factors	5
Seroprevalence of porcine coronavirus antibodies in Iberian pigs and wild boars from central-western Spain	5
Effects of different tooth grinding procedures on the occurrence of tooth injuries, skin lesions, performance and behaviour of suckling piglets	5
Dietary 5-hydroxytryptophan supplementation improves growth performance and intestinal health of weaned piglets	5
Experimental evaluation of Salmonella Choleraesuis pathogenicity and porcine reproductive and respiratory syndrome virus synergy in weaned pigs	5
Detection and genetic characterization of enteric viruses in diarrhoea outbreaks from swine farms in Spain	5
Evaluation of carcass quality, body and pulmonary lesions detected at the abattoir in heavy pigs subjected or not to tail docking	5
The evaluation of an artificial intelligence system for estrus detection in sows	5
Duration of maternally derived antibodies of porcine parvovirus in growing pigs and presence of antibodies in gilts and sows vaccinated with three different parvovirus vaccines	5
Relationship between piglets’ survivability and farrowing kinetics in hyper-prolific sows	5
Severe claw lesions in pregnant sows reduce prolificacy and increase litter heterogeneity	4
Does lifting female piglets by one hind leg increase the risk of umbilical and hind leg lesions?	4
Optimizing internal biosecurity on pig farms by assessing movements of farm staff	4
Co-occurrence of sudden feeding behaviour deviations and welfare issue onsets in growing-finishing pigs	4
Pig productive performance parameters and costs in Spain: evolution from 2015 to 2024	4
Autogenous Streptococcus suis serotype 1 bacterin: immunogenicities of sow and gilt vaccination protocols	4
Effects of combined application of benzoic acid and 1-monolaurin on growth performance, nutrient digestibility, gut microbiome and inflammatory factor levels in weaned piglets	4
Editorial: from Brambell to beyond: advancing pig welfare through the five freedoms framework	4
Epidemiological trends of antibiotic resistance in pathogenic Escherichia coli in swine farms from the Northwest Iberian Peninsula and evaluation of air sampling for antibiotic resistance surveillance	4
Minimum carbon dioxide is a key predictor of the respiratory health of pigs in climate-controlled housing systems	4
Correction: Prevention of umbilical outpouchings and mortality in pigs: Meloxicam, tying, cutting, and chlorhexidine versus amoxicillin or no treatment? A clinical field trial	4
Exploring the role of riboflavin in swine well-being: a literature review	4
Field study on the suitability of oral fluid samples for monitoring of Lawsonia intracellularis and Brachyspira hyodysenteriae by multiplex qPCR under field conditions	4
Performance of commercial growing-finishing pigs fed supplemental isoquinoline alkaloids: a statistical process control analysis	4
Large litters have a detrimental impact on litter performance and postpartum maternal behaviour in primiparous sows	4
Diagnostic performance of ELISA kits and expanded antigen panels for hemagglutination inhibition assays in pig herds enzootically infected with porcine Influenza A viruses	4
Mechanisms and applications of probiotics in prevention and treatment of swine diseases	4
A single, episodic event of unilateral/bilateral scrotal swelling in a group of adult boars at an Austrian boar stud	4
Macroepidemiologic assessment of swine disease co-occurrences in the United States of America	3
Cross-sectional study characterizing the porcine faecal microbiome in commercial farms	3
Pathological and bacteriological findings in sows, finisher pigs, and piglets, being culled for lameness	3
Gluconic acid improves performance of newly weaned piglets associated with alterations in gut microbiome and fermentation	3
Virulence characteristics and antibiotic resistance analysis of Klebsiella pneumoniae isolated from pig farms in Xinjiang, China: revealing potential zoonotic risks	3
Insights into pig resilience: the Microbiome-genetic connection	3
Uncovering biosecurity gaps: risk factors for PRRSV seropositivity in Costa Rican pig farms identified through machine learning	3
Clinical and pathological characteristics in 214 Danish weaners euthanized because of umbilical outpouchings	3
Zoonotic rat hepatitis E virus infection in pigs: farm prevalence and public health relevance	3
Development and evaluation of a standardised sampling protocol to determine the effect of cleaning in the pig sty	3
Rethinking the fight against pig-related human salmonellosis in the European union	3
Effect of lairage time prior to slaughter on stress in pigs: a path analysis	3
Prevalence estimation of Pestivirus scrofae (atypical porcine pestivirus) among Hungarian pig herds and the effects of different sample types on detection rates	3
Pyrrolizidine alkaloid intoxication outbreaks in fattening pigs associated with drought-related feed contamination	3
Assessment of porcine reproductive and respiratory syndrome virus (PRRSV) farm surface contamination through environmental sampling	3
Assessment of abdominal lesions in pigs with wounded umbilical outpouchings transported to slaughter	3
Killing underweighted low viable newborn piglets: Which health parameters are appropriate to make a decision?	3
Trends in seroprevalence of influenza A virus infections in pigs in France (2008–2022)	3
Telemedical management of severe postpartum hemorrhagic vaginal discharge in a sow – a case report	3
Rationalizing the use of common parameters and technological tools to follow up Mycoplasma hyopneumoniae infections in pigs	3
Non-invasive measurement of blood pressure and its possible use in future in-depth studies on farrowing-related complications	3
Umbilical outpouchings in Danish piglets and weaners: prevalence and clinical characteristics—a cross-sectional study at herd level	3
Isolation and possibility of vertical transmission of G9P[23] and G12P[7] group A rotavirus strains in pigs	3
Varied residential options for gestating sows ensured welfare and productivity	2
An observational field study of porcine post-weaning diarrhea: clinical and microbiological findings, and fecal pH-measurements as a potential diagnostic tool	2
Blood metabolic and physiological profiles of Bama miniature pigs at different growth stages	2
Dietary bile acid supplementation improves the intestinal health and growth performance of piglets partially through the FXR/AQPs pathway	2
Cross-sectional study: prevalence of oedema disease Escherichia coli (EDEC) in weaned piglets in Germany at pen and farm levels	2
Premature farrowing and stillbirths in two organic sow farms due to riboflavin deficiency	2
Oropharyngeal swab sampling for PRRSV detection in large-scale pig farms: a convenient and reliable method for mass sampling	2
Epidemiological characteristics of co-infection between porcine epidemic diarrhea virus (PEDV) and other pathogens: a meta-analysis and systematic review	2
Lesions and pathogens found in pigs that died during the nursery period in five Danish farms	2
Dietary supplementation with microencapsulated organic acids and essential oils improves sow productivity and nursery pig performance under commercial field conditions	2
PRRS management by European swine veterinarians: a descriptive insight into practices and profiles	2
MRSA in pig farming: the emerging role of flies in antimicrobial resistance: a cross-sectional study	2
A novel intradermal combination vaccine for PCV2 and Mycoplasma hyopneumoniae protection in swine: its use with Lawsonia intracellularis and PRRSV vaccines	2
Evaluating swine disease occurrence on farms using the state-space model based on meat inspection data: a time-series analysis	2
A comparison of two systems for group housing of gestating sows - effects on productivity, removal, and treatments	2
Persistence of African swine fever virus on porous and non-porous fomites at environmental temperatures	2
Bleeding skin lesions in gestating sows of a piglet producing farm in Austria	2
Correction: Risk factors associated with post-weaning diarrhoea in Austrian piglet-producing farms	2
New insights into swine dysentery: faecal shedding, macro and microscopic lesions and biomarkers in early and acute stages of Brachyspira hyodysenteriae infection	2
Ultrasound examination of the uterine diameter and the uterine blood vessels size in temporarily confined sows in the postpartal period– a pilot study	2
Is a new generation of mycotoxin clay adsorbents safe in a pig’s diet?	2
Case-control study on associations of hemorrhagic bowel syndrome in swine with feed characteristics and intestinal pathogens	2
Porcine reproductive and respiratory syndrome virus 2 in Europe: neither wild nor tamed	2
Detection of PRRSV-1 in tongue fluids under experimental and field conditions and comparison of different sampling material for PRRSV sow herd monitoring	2