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Veterinary Sciences
Special Issues
Detection of Parasitic Diseases in Livestock
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Detection of Parasitic Diseases in Livestock

A special issue of Veterinary Sciences (ISSN 2306-7381). This special issue belongs to the section "Veterinary Microbiology, Parasitology and Immunology".

Deadline for manuscript submissions: 28 February 2025 | Viewed by 8066

Special Issue Editors

Prof. Dr. Luiz Daniel De Barros

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Guest Editor
Department of Veterinary Medicine, Laboratory of Veterinary Parasitology, Universidade Federal de Lavras, Av. Sul, Campus Universitário, Lavras 37200-000, MG, Brazil
Interests: Neospora caninum; Toxoplasma gondii; protozoology
Dr. Gustavo Felippelli

E-Mail Website
Guest Editor
Instituto de Pesquisas em Saúde Animal—IPESA, Contract Research Organization—CRO, Loc Segredo S/N, Zona Rural, Formiga 35570-000, MG, Brazil
Interests: antiparasitic chemotherapy; parasitic resistance; endoparasites; helmintology; GIN—Gastrintestinal nematodes—Ruminants, equines, dogs and cats; haemonchus contortus; ectoparasites; ticks—rhipicephalus microplus, rhipicephalus sanguineus, amblyomma sculptum and dermacentor nitens; flies—horn fly, cattle grub, screwworm fly and stable fly; flea—Ctenocephalides spp.
Dr. Fernando de Souza Rodrigues

E-Mail Website
Guest Editor
Department of Preventive Veterinary Medicine, Universidade Estadual de Londrina, Londrina, Brazil
Interests: livestock

Special Issue Information

Dear Colleagues,

Parasitic diseases of livestock are caused by different agents, including ecto- and endoparasites, hemoparasites, and other protozoans. They can cause important economic losses to animal production, and some have zoonotic potential. In recent years, the detection of parasites in livestock has improved due to the development of laboratory techniques for parasite detection with a high sensitivity and specificity.

This Special Issue aims to collect papers on detecting parasitic infections in livestock, including molecular, serological, and parasitological detection in different regions.  Furthermore, this Special Issue will highlight the importance of parasitic diseases in different countries, contributing to developing specific control measures.

Prof. Dr. Luiz Daniel De Barros
Dr. Gustavo Felippelli
Dr. Fernando de Souza Rodrigues
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Veterinary Sciences is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2100 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • molecular detection
  • serological detection
  • epidemiology

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Published Papers (5 papers)

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10 pages, 2223 KiB  
Article
Survey the Occurrence of Globocephalus urosubulatus (Nematoda: Ancylostomatidae) in Wild Boars (Sus scrofa) in the State of São Paulo, Brazil
by Michel dos Santos Pinto, João Alfredo Biagi Camargo Neto, Maria Julia Hernandes de Freitas, Bárbara Fuzetto Florentino, Natália de Souza Sapatera, Fernando Paiva, Alex Akira Nakamura, Daniela Bernadete Rozza, Simone Baldini Lucheis and Katia Denise Saraiva Bresciani
Vet. Sci. 2024, 11(8), 370; https://doi.org/10.3390/vetsci11080370 - 12 Aug 2024
Viewed by 1729
Abstract
Although previous studies have characterized the helminth fauna of wild boars kept in captivity in Brazil, records on these helminths in free-ranging animals are still scarce. In view of this, we aimed in our work to investigate the occurrence and morphological and morphometric [...] Read more.
Although previous studies have characterized the helminth fauna of wild boars kept in captivity in Brazil, records on these helminths in free-ranging animals are still scarce. In view of this, we aimed in our work to investigate the occurrence and morphological and morphometric characteristics of gastrointestinal helminths in wild Sus scrofa from the northwest region of the State of São Paulo, Brazil. The digestive systems of 10 animals (5 males and 5 females of different ages) were used in this study. Each anatomical segment was washed and sieved under running water, and the helminths were separated and identified using light and scanning electron microscopy, according to their morphological characteristics. A total of 2750 (1152 males and 1598 females) nematode specimens were collected from the small intestine of these wild boars, and all of them presented the morphological characteristics of Globocephalus urosubulatus. However, one characteristic is of particular interest because it has not yet been reported in the literature: a marked asymmetry between the lobes and their respective rays of the copulatory bursa, with the left one being larger than the right one. In this research, we identified the presence of G. urosubulatus in all the examined free-ranging wild boars and reported for the first time in the literature the asymmetry in the copulatory bursa. Full article
(This article belongs to the Special Issue Detection of Parasitic Diseases in Livestock)
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16 pages, 2662 KiB  
Article
Characterization and Seasonal Dynamics of Tick Populations in Dairy Cattle Production Systems of Northwestern Colombian Amazon
by Cesar A. Zapata, Edna G. O. Morea, Dúber A. Mora-Motta, Diana M. M. Ojeda, Esther J. Quiceno-Mayo, Diego A. Toro and Fausto A. Ortiz-Morea
Vet. Sci. 2024, 11(6), 244; https://doi.org/10.3390/vetsci11060244 - 29 May 2024
Viewed by 1370
Abstract
Cattle ticks are a significant health concern in tropical livestock production due to their hematophagous behavior and potential as vectors for human and animal pathogens. In this study, we investigated the tick population present in dairy cattle production, calves, and grazing areas of [...] Read more.
Cattle ticks are a significant health concern in tropical livestock production due to their hematophagous behavior and potential as vectors for human and animal pathogens. In this study, we investigated the tick population present in dairy cattle production, calves, and grazing areas of livestock systems in the northwestern Colombian Amazon. Identification was based on taxonomic keys and molecular markers. Phylogenetic relationships were established using mitochondrial COX1 and 16S genes. Population structure analysis was performed considering age, racial type (B. indicus vs. B. taurus), and the influence of environmental factors and the geomorphological landscape on tick population dynamics. Our findings revealed the presence of a single tick species, with a unique haplotype identified for each mitochondrial gene assessed. Phylogenetic analysis classified the found species within Clade A of the Rhipicephalus microplus complex. Ticks were more prevalent during periods of low rainfall and high temperature, and B. taurus cows exhibited the highest tick abundance. Thus, these results provide insights into the population characteristics and distribution of the tick species present in dairy cattle production systems in the northwestern part of the Colombian Amazon. This information is fundamental for developing targeted strategies based on seasonal variation and host characteristics to mitigate tick infestation severity in the region. Full article
(This article belongs to the Special Issue Detection of Parasitic Diseases in Livestock)
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8 pages, 682 KiB  
Brief Report
Investigation of the Infection of Enterocytozoon bieneusi in Sheep and Goats in Jiangsu, China
by Cheng Cheng, Yuan Cai, Hua Xing, Jianping Tao and Darong Cheng
Vet. Sci. 2024, 11(7), 327; https://doi.org/10.3390/vetsci11070327 - 19 Jul 2024
Viewed by 1022
Abstract
In order to investigate the infection status and genotypes of Enterocytozoon bieneusi (E. bieneusi) in sheep and goats in Jiangsu Province, a total of 786 fresh fecal samples from 18 farms across five regions in Jiangsu were collected and examined for [...] Read more.
In order to investigate the infection status and genotypes of Enterocytozoon bieneusi (E. bieneusi) in sheep and goats in Jiangsu Province, a total of 786 fresh fecal samples from 18 farms across five regions in Jiangsu were collected and examined for the presence of E. bieneusi, and the genotype of E. bieneusi was examined using nested-PCR and sequencing of the ribosomal internal transcribed spacer. The results showed that E. bieneusi was detected in the fecal samples of sheep and goats in all regions, with infection rates ranging from 23.65% to 42.81%. The overall infection rate was 36.51% (287/786). The infection rate of E. bieneusi showed no significant difference between sheep and goats, as well as among different ages of animals (p > 0.05), but showed a significant difference in sheep and goats with different health conditions (p < 0.05). The positive products were amplified and cloned and subjected to sequenced analysis. Six genotypes, BEB6, CHG2, CHG3, CHC8, CHG14, and COS-I, were found. Phylogenetic analysis indicated that the six genotypes belonged to Group 2, which had previously been described as a non-zoonotic group. Full article
(This article belongs to the Special Issue Detection of Parasitic Diseases in Livestock)
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8 pages, 2622 KiB  
Brief Report
Molecular Identification and Survey of Trichomonad Species in Pigs in Shanxi Province, North China
by Zi-Rui Wang, Qing-Xin Fan, Jin-Long Wang, Shuo Zhang, Yu-Xuan Wang, Ze-Dong Zhang, Wen-Wei Gao, Xing-Quan Zhu and Qing Liu
Vet. Sci. 2024, 11(5), 203; https://doi.org/10.3390/vetsci11050203 - 7 May 2024
Cited by 1 | Viewed by 1237
Abstract
Several trichomonad species have already been identified in pigs, and their pathogenic potential may not be ruled out. To date, however, no information is available regarding the prevalence of trichomonads in pigs in Shanxi Province, North China. In the present study, a total [...] Read more.
Several trichomonad species have already been identified in pigs, and their pathogenic potential may not be ruled out. To date, however, no information is available regarding the prevalence of trichomonads in pigs in Shanxi Province, North China. In the present study, a total of 362 fecal samples collected from pigs in three representative counties (Qi, Jishan, and Shanyin) in this province were examined for Tetratrichomonas buttreyi, Tritrichomonas foetus, and Pentatrichomonas hominis using a nested polymerase chain reaction (PCR) with primers targeting the small subunit ribosomal RNA (SSU rRNA) gene. The overall prevalence of T. buttreyi was 49.72%, and region and age were found to be significantly associated with T. buttreyi infection, respectively. Only one pig fecal sample from Qi County was found to be positive for T. foetus, and all samples were negative for P. hominis. Molecular evolutionary analysis revealed that some T. buttreyi isolates showed complete genetic identity with those reported previously, and some T. buttreyi isolates and one T. foetus isolate showed minor allelic variations compared with those reported previously. This is the report of the molecular epidemiology of T. foetus and T. buttreyi in pigs in Shanxi Province, North China. These findings not only enrich the knowledge on the distribution of these trichomonad species in pigs in China but also provide baseline information for planning future research and control strategies. Full article
(This article belongs to the Special Issue Detection of Parasitic Diseases in Livestock)
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8 pages, 1071 KiB  
Brief Report
Prevalence of Cryptosporidium spp. in Sheep and Goats in Jiangsu, China
by Cheng Cheng, Zhengrong Fan, Darong Cheng and Jianping Tao
Vet. Sci. 2024, 11(4), 144; https://doi.org/10.3390/vetsci11040144 - 22 Mar 2024
Cited by 1 | Viewed by 1840
Abstract
Sheep and goats serve as crucial hosts for Cryptosporidium spp. and are primarily responsible for its transmission via the fecal–oral route. This can result in symptoms such as lamb weight loss, diarrhea, and even fatalities, leading to significant economic losses. Currently, there is [...] Read more.
Sheep and goats serve as crucial hosts for Cryptosporidium spp. and are primarily responsible for its transmission via the fecal–oral route. This can result in symptoms such as lamb weight loss, diarrhea, and even fatalities, leading to significant economic losses. Currently, there is a lack of scholarly research investigating the prevalence of Cryptosporidium spp. infection in sheep and goats specifically within Jiangsu province. This study collected fecal samples from sheep and goats, extracted their DNA, amplified target bands using nested PCR, sequenced the DNA, constructed a phylogenetic tree, and identified the genetic genotype. In total, 3 positive samples were identified out of 398 samples. Furthermore, the gene sequences of these samples exhibited significant homology with C. xiaoi in GenBank. The phylogenetic analysis revealed that the Cryptosporidium spp. parasites under investigation are phylogenetically related to C. xiaoi. Conducting epidemiological investigations and accurately identifying the species of Cryptosporidium spp. is of utmost importance not only for the mutton sheep farming industry in Jiangsu but also for the proactive safeguarding of human health. Full article
(This article belongs to the Special Issue Detection of Parasitic Diseases in Livestock)
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