ArticlePorcine health management2020
Porcine hemothropic mycoplasmas infection associated with productive impact in intensive pig production.
Article in Porcine health management, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 13 citations in OpenAlex.
- Occurrence and Quantification of Porcine Hemotrophic Mycoplasmas in Blood-SuckingMicroorganisms · 2025Article
- The Bacterial and pathogenic landscape of African buffalo (Syncerus caffer) whole blood and serum from Kenya.Animal microbiome · 2025Article
- Hemotrophic Mycoplasmas-Vector Transmission in Livestock.Microorganisms · 2024Review
- Haemotrophic Mycoplasmas Infecting Pigs: A Review of the Current Knowledge.Microorganisms · 2024Review
- Occurrence of Mycoplasma parvum in German Pigs of Different Age Groups Using a Novel Quantitative Real-Time PCR AssayPathogens (Basel, Switzerland) · 2022Article
- Chemotherapeutic Strategies with Valnemulin, Tilmicosin, and Tulathromycin to ControlAntibiotics (Basel, Switzerland) · 2022Article
- Mycoplasmas as Host Pantropic and Specific Pathogens: Clinical Implications, Gene Transfer, Virulence Factors, and Future Perspectives.Frontiers in cellular and infection microbiology · 2022Review
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
Abstract
backgroundSo far, three porcine hemoplasmas (PH) have been identified, namely Mycoplasma suis, Mycoplasma parvum, and Mycoplasma haemosuis. The first one is the main agent associated with porcine hemoplasmosis, a possible cause of economic losses in pig production. Thus, this work aimed to detect and quantify PH 16S rRNA in finishing pigs and to associate its load estimate with average daily weight gain (ADWG). For this purpose, whole blood samples from 318 pigs were collected at an age of 75 days (d0) when the pigs entered the finishing phase and 105 days later (d105). To calculate ADWG, the animals were weighed at the abovementioned dates. Then, DNA from blood samples were submitted to a qPCR targeting the 16S rRNA gene for PH. Spearman correlation test was performed to investigate potential associations between ADWG and the quantification values. Lastly, the molecular characterization of PH was done by sequencing the 23S rDNA gene.
resultsOut of the 318 samples, 190 (59.74%) were positive on d0, and 304 (95.6%) were positive on d105. A significant correlation was observed (p < 0.05), albeit with a low coefficient value (0.18), when comparing ADWG with quantification values on d105. The phylogenetic analysis based on the 23S rDNA gene showed that four sequences were closely related to M. parvum, and one sequence was positioned in the M. suis cluster.
conclusionTwo PH, M. suis and M. parvum, were detected in a Brazilian pig farm. Moreover, increasing occurrence through time was observed, which may have affected the productive performance of positive animals, mainly at the end of the finishing phase, when antimicrobials are removed.
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