OOIR: Observatory of International Research

Papers

(The TQCC of Porcine Health Management is 4. 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 2021-02-01 to 2025-02-01.)

Article	Citations
Large litters have a detrimental impact on litter performance and postpartum maternal behaviour in primiparous sows	36
Impact of tearing spermatic cords during castration in live and dead piglets and consequences on welfare	32
Health Monitoring of Fattening Pigs – Use of Production Data, Farm Characteristics and On-Farm Examination	27
Effect of mixing at weaning and nutrient density of the weaner diet on growth performance and welfare of pigs to slaughter	26
Urinary metabolomics reveals the biological characteristics of early pregnancy in pigs	25
Effectiveness of two intramuscular combined vaccines for the control of Mycoplasma hyopneumoniae and porcine circovirus type 2 in growing pigs: a randomized field trial	23
Impact of maternally derived immunity on immune responses elicited by piglet early vaccination against the most common pathogens involved in porcine respiratory disease complex	17
Infection dynamics and persistence of hepatitis E virus on pig farms – a review	17
A systematic review of influenza A virus prevalence and transmission dynamics in backyard swine populations globally	16
Postpartum dysgalactia syndrome in sows: effects on behavior of sows and piglets	15
Lesions and pathogens found in pigs that died during the nursery period in five Danish farms	14
Cough associated with the detection of Mycoplasma hyopneumoniae DNA in clinical and environmental specimens under controlled conditions	14
Bleeding skin lesions in gestating sows of a piglet producing farm in Austria	14
Cross-sectional study: prevalence of oedema disease Escherichia coli (EDEC) in weaned piglets in Germany at pen and farm levels	13
Introduction of a PRRSV-1 strain of increased virulence in a pig production structure in Spain: virus evolution and impact on production	13
Evaluation of the diagnostic performance of a commercially available point-of-care test for post weaning diarrhoea in pigs-a pilot study	13
In vitro evaluation of gentamicin activity against Spanish field isolates of Brachyspira hyodysenteriae	12
The role of gilts in transmission dynamics of swine influenza virus and impacts of vaccination strategies and quarantine management	11
Farm characteristics affecting antibiotic consumption in pig farms in England	10
Description of patterns of ear and tail lesions during the grower-finisher period in a commercial pig farm	9
Differential impact of yeast cell wall products in recovery of porcine intestinal epithelial cell barrier function following Lipopolysaccharide challenge	9
Persistence of African swine fever virus on porous and non-porous fomites at environmental temperatures	9
Are biters sick? Health status of tail biters in comparison to control pigs	9
Health monitoring of finishing pigs by secondary data use – a longitudinal analysis	9
Proposed virulence-associated genes of Streptococcus suis isolates from the United States serve as predictors of pathogenicity	8

Comparison of different detection methods for Ascaris suum infection on Austrian swine farms	8
Urinary tract infections in culled sows from Greek herds: prevalence and associations between findings of histopathology, bacteriology and urinalysis	8
CircRNAs in Xiang pig ovaries among diestrus and estrus stages	8
Streptococcus equi subspecies zooepidemicus – a case report of sudden death in a German sow farm	8
Short communication: Estimation of the dietary standardized ileal digestible valine to lysine ratio required for 40 to 130 kg pigs during the finisher periods	7
Exploring the role of riboflavin in swine well-being: a literature review	7
Early behavioral indicators of aberrant feces in newly-weaned piglets	7
Effects of combined application of benzoic acid and 1-monolaurin on growth performance, nutrient digestibility, gut microbiome and inflammatory factor levels in weaned piglets	7
Supplementation of glutamine in a short-term boar semen extender during 17°C holding time enhances post-thaw sperm quality for cryopreservation	7
In-silico characterization of the relationship between the Porcine reproductive and respiratory syndrome virus prevalence at the piglet and litter levels in a farrowing room	7
Gastric ulcers in finishing pigs: the evaluation of selected non-dietary risk factors and impact on production performance	7
Field study on the suitability of oral fluid samples for monitoring of Lawsonia intracellularis and Brachyspira hyodysenteriae by multiplex qPCR under field conditions	6
Dynamics and chronology of Mycoplasma hyopneumoniae strain 232 infection in experimentally inoculated swine	6
Comparative analysis of ECG records depending on body position in domestic swine (Sus scrofa domestica)	6
Dietary inclusion of fibrous corn silages reduces gastric mucosa damage in fattening heavy pigs	6
Description of on-farm treatment compliance and risk factors for culling in sows	6
Serotype distribution and antimicrobial susceptibility of Streptococcus suis isolates from porcine diagnostic samples in Hungary, 2020–2023	6
Blood and faecal biomarkers to assess dietary energy, protein and amino acid efficiency of utilization by growing and finishing pigs	6
Resumption of production operations during the silent disposal period of African swine fever outbreaks: a case study	6
Neoplastic lesions in domestic pigs detected at slaughter: literature review and a 20-year review (1998–2018) of carcass inspection in Catalonia	6
Gastrointestinal nematodes in German outdoor-reared pigs based on faecal egg count and next-generation sequencing nemabiome data	6
Utilization and reproductive performance of gilts in large-scale pig farming system with different production levels in China: a descriptive study	6
Correlations between lung pneumonic lesions and serologic status for key respiratory pathogens in slaughtered pigs in northern Uganda	6
Effectiveness and costs of interventions to reduce the within-farm Toxoplasma gondii seroprevalence on pig farms in the Netherlands	6
Premature farrowing and stillbirths in two organic sow farms due to riboflavin deficiency	5
Salmonella enterica subspecies enterica serovar Choleraesuis in a Swedish gilt-producing herd, a case report	5
A case of uterine inclusion cysts in a sow	5
Evaluating swine disease occurrence on farms using the state-space model based on meat inspection data: a time-series analysis	5
Field trial: disinfection of contaminated anesthetic masks for piglets	5
Cystitis: significant associations between pathology, histology, and quantitative bacteriology in sows, a cross-sectional study	5
Killing underweighted low viable newborn piglets: Which health parameters are appropriate to make a decision?	4
Swinepox virus: an unusual outbreak in free-range pig farms in Sicily (Italy)	4
Porcine ear necrosis in weaned piglets: prevalence and impact on daily weight gain	4
Characterization and management of interaction risks between livestock and wild ungulates on outdoor pig farms in Spain	4
Salivary and serum haptoglobin, adenosine deaminase, and immunoglobulin G in growing pigs	4
Antimicrobial resistance in commensal Escherichia coli and Enterococcus spp. is influenced by production system, antimicrobial use, and biosecurity measures on Spanish pig farms	4
Effect of wither application of an analogue of pig appeasing pheromone on encounters between unfamiliar mini-pigs	4
Farm management practices associated with influenza A virus contamination of people working in Midwestern United States swine farms	4
Does lifting female piglets by one hind leg increase the risk of umbilical and hind leg lesions?	4
Occurrence of Escherichia coli non-susceptible to quinolones in faecal samples from fluoroquinolone-treated, contact and control pigs of different ages from 24 Swiss pig farms	4
Assessment of abdominal lesions in pigs with wounded umbilical outpouchings transported to slaughter	4
The economic impact of endemic respiratory disease in pigs and related interventions - a systematic review	4
A descriptive study on spatial and temporal distributions of genetic clusters of porcine reproductive and respiratory syndrome virus infecting pig sites in Quebec, Canada, between 2010 and 2019	4
Infrared thermography as a possible technique for the estimation of parturition onset in sows	4
Non-ambulatory pigs in two Brazilian growing-finishing farms: a clinic, etiological and pathological perspective on 76 cases	4
Effects of dietary supplementation with a carvacrol–cinnamaldehyde–thymol blend on growth performance and intestinal health of nursery pigs	4
Effect of 1,25-dihydroxyvitamin D3-glycosides on postpartum health, uterine involution and litter performance of sows in a free farrowing system	4
Prevalences and excretion levels of Lawsonia intracellularis, Brachyspira pilosicoli and Escherichia coli F4 and F18 in fecal sock samples from Danish weaner and finisher pig batches and the associati	4
A proposal of a fecal scoring system based on physicochemical analyses of suckling pig feces	4
Biosecurity measures for the prevention of African swine fever on German pig farms: comparison of farmers’ own appraisals and external veterinary experts’ evaluations	4

In the presence of non-neutralising maternally derived antibodies, intradermal and intramuscular vaccination with a modified live vaccine against porcine reproductive and respiratory syndrome virus 1	4
Performance of commercial growing-finishing pigs fed supplemental isoquinoline alkaloids: a statistical process control analysis	4