Prevalence and Pathology of Gastrointestinal Parasites in Free Range Pigs

2021 ◽  
Author(s):  
V. Gnani Charitha ◽  
K. Venkatesh ◽  
C.V. Sesha Reddy ◽  
V. Ramya ◽  
S.V.R. Sharma
Keyword(s):  
Andhra Pradesh ◽  
Mononuclear Cells ◽  
Epidemiological Data ◽  
Gastrointestinal Parasites ◽  
Staining Procedure ◽  
Fecal Samples ◽  
Free Range ◽  
Fasciolopsis Buski ◽  
Zoonotic Parasites ◽  
The Impact

Background: Gastrointestinal (GI) parasitism in pigs is often associated with subclinical infections leading to poor weight gain and reduced market value. One of the most significant risks is pigs being the host for many zoonotic parasites and thereby threatening human health. Despite the epidemiological data being available from different states of the country, records from Andhra Pradesh are scanty. Hence, a study was conducted to determine the prevalence of gastrointestinal parasites in free range pigs of Proddatur municipality Andhra Pradesh, India. Methods: About 142 fecal samples were collected from free range pigs slaughtered in four localities of Proddatur municipality over a period of six months. The fecal samples were later subjected for parasitological examination and the tissue pieces of intestines collected from the slaughtered animals with the embedded parasites and those with pathological changes were subjected to histological staining procedure for identification. Result: Fecal examination revealed 80.98% (115/142) positivity for parasitic ova or occysts. About eleven species of parasites were identified; of them nine were helminths (83.8%) and two were protozoan (10.5%) parasites. Infection with Ascarops spp. (28.2%) and Fasciolopsis buski (17.6%) was found to be significantly (P less than 0.05) higher. The tissue sections of the intestines with pathological lesions revealed embedded parasites in intestinal mucosa infiltrated with eosinophils and mononuclear cells. The higher prevalence of GI parasites in slaughtered pigs in Proddatur region rises concern towards the impact on the health of pigs and as well as pork consumers suggesting a strategic control for GI parasites in pig farming.

scholarly journals Impact of ivermectin-resistant gastrointestinal nematodes in feedlot cattle in Argentina

2012 ◽  
Vol 32 (5) ◽  
pp. 419-423 ◽  
Author(s):  
Luis E. Fazzio ◽  
Nicolas Yacachury ◽  
Walter R. Galvan ◽  
Elias Peruzzo ◽  
Ricardo O. Sánchez ◽  
...  
Keyword(s):  
Mixed Model ◽  
Gastrointestinal Nematodes ◽  
Feedlot Cattle ◽  
Gastrointestinal Parasites ◽  
Average Weight ◽  
Buenos Aires Province ◽  
Fecal Samples ◽  
Block Variables ◽  
Feedlot Calves ◽  
The Impact

The aim was to evaluate for 75 days the impact on production of the remaining burden of ivermectin (IVM)-resistant parasites in naturally infected feedlot calves. The herds came from tick-infested areas of cattle breeding where the systematic use of IVM to control tick increases the gastrointestinal parasites resistant to this drug. This investigation was carried out in two commercial feedlots in Buenos Aires province. In feedlot A, two groups of 35 animal each received IVM 1% and the other received ricobendazole (RBZ) 10% respectively. The same was done in feedlot B. On day 0, two groups of 35 animals were made in feedlots A and B. Fecal samples were taken on days 0, 22, 54 and 75 pos-treatment (PT), and body weight was registered, from each animal. Fecal samples were processed for individual count of eggs per gram (EPG) and pooled fecal culture was carried out for identification of the parasite genus in each sampling. Fecal egg count reduction test (FECR) was calculated on day 22 PT. The study design used was a totally randomized block, with commercial feedlot and sex as block variables. For data analysis, a mixed model of the SAS statistical program was used. The FECR average on day 22 was 28.4% in the IVM group, and 94,2 % in the RBZ group . From this date on, significant differences in EPG were kept until day 54. EPG counts were only equal near the end of the trial, on day 75 (p=0.16). In both commercial feedlots, especially in the IVM group, Cooperia spp. was the most prevalent parasite in the fecal cultures. Significant differences in weight (P<0.01) on post-treatment day 75 was found between the average weight in the RBZ and the IVM group (246 vs. 238 kg respectively), what means a difference of 8.3% in gains. The importance for production in the antiparasite failure treatment in commercial feedlots was demonstrated, and the need of pos-treatment controls to evaluate the efficacy of the antiparasitic administered is emphasized.

scholarly journals Identifikasi Cacing Gastrointestinal pada Babi di Kabupaten Jayawijaya dan Paniai, Provinsi Papua

2020 ◽  
Vol 10 (1) ◽  
pp. 23
Author(s):  
Isti Widayati ◽  
Bernadetta WI Rahayu ◽  
Noak Degei
Keyword(s):  
Gastrointestinal Parasite ◽  
Feed Conversion ◽  
Fecal Samples ◽  
Free Range ◽  
Research Material ◽  
The People ◽  
Parasite Infestation ◽  
Zoonotic Parasites ◽  
Loss Of Appetite ◽  
Feed Conversion Rate

The rearing of pigs in the mountains of Papua is generally based on the free-range method during the daylight. Poor environmental sanitation and free-range management have been reported as risk factors of gastrointestinal worm infestation in pigs. In general, gastrointestinal parasite infestation can cause a loss of appetite, impede growth, decrease feed conversion rate, and increase vulnerabilities toward other pathogens. To add to that, the acute levels of infestation can cause death. Furthermore, some species can infest humans (zoonotic). As zoonotic parasites can impact the productivity and health of the people, it is crucial to identify the species of such parasites. This research was conducted in Umpakalo village at Kurulu district, Jayawijaya region, and three other villages namely Obaipugaida, Eyagitaida, and Ugituwataida at Ekadide district, Paniai region. Forty-five fecal samples from different pigs were used as the research material. The native method was used to identify the physical appearance of the eggs, and in turn, identify the species of the parasite. The data was analyzed in the tabulation form. The conclusion obtained in this research is that 95% of the fecal samples were infected by the gastrointestinal worms. Identified worms are Ascaris suum, Strongyloides ransomii, Trichuris suis, and Strongyle types. Most pigs have mixed infections.

scholarly journals Prevalence of gastrointestinal parasites in cattle and sheep in three municipalities in the Colombian Northeastern Mountain

2019 ◽  
Vol 12 (1) ◽  
pp. 48-54 ◽  
Author(s):  
Juan Carlos Pinilla Leon ◽  
Nelson Uribe Delgado ◽  
Angel Alberto Florez
Keyword(s):  
Fasciola Hepatica ◽  
Parasitic Infection ◽  
Gastrointestinal Parasites ◽  
Age Group ◽  
Statistical Association ◽  
Fecal Samples ◽  
Eimeria Spp ◽  
The Difference ◽  
The Impact ◽  
Cattle And Sheep

Aim: The study was conducted to determine the prevalence of gastrointestinal (GI) parasites in cattle and sheep from three municipalities in the Colombian Northeastern Mountain. Materials and Methods: Overall, 200 fecal samples were collected directly from the rectum in cattle and sheep. The presence of helminths eggs and coccidial oocysts in fecal samples was detected using McMaster and Dennis techniques. Identification of eggs or oocysts was done on the basis of morphology and size of the eggs or oocysts. Results: The global prevalence of GI parasites was 56.3%. Regarding the prevalence by municipalities, there was no statistical association (p>0.05), indicating that the prevalence was similar in the three municipalities. The prevalence of parasitic infection was higher in sheep (63%) as compared to that of cattle (50.5%), but the difference was nonsignificant (p>0.05). The most prevalent parasites were Eimeria spp., Fasciola hepatica, and Strongylida order. Regarding the results for Eimeria spp., different degrees of positivity were observed, but there was no statistical association (p>0.05) with respect to the age group. Likewise, there was no statistical association (p>0.05) between the prevalence for Strongylida order and F. hepatica with respect to the age group. Conclusion: Cattle and sheep in Colombian Northeastern Mountain were infected with helminths and coccidia. The prevalence values of GI parasites were moderate in both species warranting treatment. The presence of F. hepatica represents a risk factor to health public. Future studies are required to evaluate the parasitic dynamics throughout the year and the impact on animal production.

scholarly journals Prevalence Of Gastrointestinal Helminth Parasites In Domestic Ruminants From Srikakulam District, Andhra Pradesh, India.

2021 ◽  
Author(s):  
Ummey Shameem ◽  
Sanapala Malathi ◽  
Komali Marlapudi
Keyword(s):  
Andhra Pradesh ◽  
Parasitic Infection ◽  
Gastrointestinal Parasites ◽  
High Rate ◽  
Helminth Parasites ◽  
Fecal Samples ◽  
Domestic Ruminants ◽  
Gastrointestinal Helminth ◽  
Parasite Infections ◽  
One Year

Abstract Coprological studies on the prevalence of gastrointestinal helminth (GI) parasites in domestic ruminants from Srikakulam district of Andhra Pradesh, India, were carried out for a period of one year from January 2019 to December 2019. Fecal examination was done using direct smear, sedimentation and floatation methods. Altogether 3,527 fecal samples were examined including 595 from cows, 485 from buffaloes, 1342 from sheep and 1105 from goat. Out of 3,527 fecal samples examined, 1084 were found to be positive with three groups of gastrointestinal parasites (GI) showing an overall prevalence of 30.7%. Maximum infection was noted with nematodes (39.1%) and trematodes (37.3%), least infection was noted with cestodes (3.5%) and mixed infections were found to be moderate (20.01%). Host wise prevalence of parasitic infection has shown highest in the case of cattle recording 43.03%, followed by 40.8% in buffaloes, 29.4% in sheep, and 21.4% in goats. Total six varieties of parasites were recorded, the predominant being Haemonchus (Strongyle group) (29.25%), followed by Paramphistomum (25.5%), Fasciola (11.9%), Strongyloides (7.6%), Moniezia (3.5%) and Trichuris (2.2%). Season wise data on prevalence showed, high rate of infection in summer season (32.0%) when compared to winter (30.2%) and rainy (29.9%) seasons. Further studies are needed to design a rational for sustainable management of GI parasite infections in domestic animals of local regions.

scholarly journals Effect of temperature, CO2 and O2 on motility and mobility of Anisakidae larvae

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Aiyan Guan ◽  
Inge Van Damme ◽  
Frank Devlieghere ◽  
Sarah Gabriël
Keyword(s):  
Enzymatic Digestion ◽  
Infected Fish ◽  
Effect Of Temperature ◽  
Video Recordings ◽  
Different Temperatures ◽  
Semi Solid ◽  
Zoonotic Parasites ◽  
The Impact ◽  
Phosphate Buffered Saline

AbstractAnisakidae, marine nematodes, are underrecognized fish-borne zoonotic parasites. Studies on factors that could trigger parasites to actively migrate out of the fish are very limited. The objective of this study was to assess the impact of different environmental conditions (temperature, CO2 and O2) on larval motility (in situ movement) and mobility (migration) in vitro. Larvae were collected by candling or enzymatic digestion from infected fish, identified morphologically and confirmed molecularly. Individual larvae were transferred to a semi-solid Phosphate Buffered Saline agar, and subjected to different temperatures (6 ℃, 12 ℃, 22 ℃, 37 ℃) at air conditions. Moreover, different combinations of CO2 and O2 with N2 as filler were tested, at both 6 °C and 12 °C. Video recordings of larvae were translated into scores for larval motility and mobility. Results showed that temperature had significant influence on larval movements, with the highest motility and mobility observed at 22 ℃ for Anisakis spp. larvae and 37 ℃ for Pseudoterranova spp. larvae. During the first 10 min, the median migration of Anisakis spp. larvae was 10 cm at 22 ℃, and the median migration of Pseudoterranova spp. larvae was 3 cm at 37 ℃. Larval mobility was not significantly different under the different CO2 or O2 conditions at 6 °C and 12 ℃. It was concluded that temperature significantly facilitated larval movement with the optimum temperature being different for Anisakis spp. and Pseudoterranova spp., while CO2 and O2 did not on the short term. This should be further validated in parasite-infected/spiked fish fillets.

scholarly journals The malaria burden of Amerindian groups of three Venezuelan states: a descriptive study based on programmatic data

2021 ◽  
Vol 20 (1) ◽  
Author(s):  
Juan C. Gabaldón-Figueira ◽  
Carlos Chaccour ◽  
Jorge Moreno ◽  
Maria Villegas ◽  
Leopoldo Villegas
Keyword(s):  
Risk Factors ◽  
Plasmodium Falciparum ◽  
Malaria Incidence ◽  
Hot Spot ◽  
Public Health Problem ◽  
Epidemiological Data ◽  
Descriptive Study ◽  
Malaria Burden ◽  
Indigenous Groups ◽  
The Impact

Abstract Background Fifty-three percent of all cases of malaria in the Americas in 2019 came from Venezuela, where the epidemic is heavily focused south of the Orinoco river, and where most of the country’s Amerindian groups live. Although the disease is known to represent a significant public health problem among these populations, little epidemiological data exists on the subject. This study aims to provide information on malaria incidence, geospatial clustering, and risk factors associated to Plasmodium falciparum infection among these groups. Methods This is a descriptive study based on the analysis of published and unpublished programmatic data collected by Venezuelan health authorities and non-government organizations between 2014 and 2018. The Annual Parasite Index among indigenous groups (API-i) in municipalities of three states (Amazonas, Bolivar, and Sucre) were calculated and compared using the Kruskal Wallis test, risk factors for Plasmodium falciparum infection were identified via binomial logistic regression and maps were constructed to identify clusters of malaria cases among indigenous patients via Moran’s I and Getis-Ord’s hot spot analysis. Results 116,097 cases of malaria in Amerindian groups were registered during the study period. An increasing trend was observed between 2014 and 2016 but reverted in 2018. Malaria incidence remains higher than in 2014 and hot spots were identified in the three states, although more importantly in the south of Bolivar. Most cases (73.3%) were caused by Plasmodium vivax, but the Hoti, Yanomami, and Eñepa indigenous groups presented higher odds for infection with Plasmodium falciparum. Conclusion Malaria cases among Amerindian populations increased between 2014 and 2018 and seem to have a different geographic distribution than those among the general population. These findings suggest that tailored interventions will be necessary to curb the impact of malaria transmission in these groups.

scholarly journals Regulation of CTLA-4 and PD-L1 Expression in Relapsing-Remitting Multiple Sclerosis Patients after Treatment with Fingolimod, IFNβ-1α, Glatiramer Acetate, and Dimethyl Fumarate Drugs

2021 ◽  
Vol 11 (8) ◽  
pp. 721
Author(s):  
Afshin Derakhshani ◽  
Zahra Asadzadeh ◽  
Hossein Safarpour ◽  
Patrizia Leone ◽  
Mahdi Abdoli Shadbad ◽  
...  
Keyword(s):  
Multiple Sclerosis ◽  
Mononuclear Cells ◽  
Demyelinating Disease ◽  
Immune Checkpoints ◽  
Peripheral Blood Mononuclear ◽  
Relapsing Remitting ◽  
Remitting Multiple Sclerosis ◽  
Multiple Sclerosis Patients ◽  
Relapsing Remitting Multiple Sclerosis ◽  
The Impact

Multiple sclerosis (MS) is a chronic demyelinating disease of the central nervous system (CNS) that is characterized by inflammation which typically results in significant impairment in most patients. Immune checkpoints act as co-stimulatory and co-inhibitory molecules and play a fundamental role in keeping the equilibrium of the immune system. Cytotoxic T-lymphocyte antigen-4 (CTLA-4) and Programmed death-ligand 1 (PD-L1), as inhibitory immune checkpoints, participate in terminating the development of numerous autoimmune diseases, including MS. We assessed the CTLA-4 and PD-L1 gene expression in the different cell types of peripheral blood mononuclear cells of MS patients using single-cell RNA-seq data. Additionally, this study outlines how CTLA-4 and PD-L1 expression was altered in the PBMC samples of relapsing-remitting multiple sclerosis (RRMS) patients compared to the healthy group. Finally, it investigates the impact of various MS-related treatments in the CTLA-4 and PD-L1 expression to restrain autoreactive T cells and stop the development of MS autoimmunity.

scholarly journals Prevalence of gastrointestinal parasites in free-range yaks (Bos grunniens) in Gansu Province, Northwest China

2019 ◽  
Vol 15 (1) ◽  
Author(s):  
Si-Yuan Qin ◽  
Ming-Yang Yin ◽  
Guang-Yao Song ◽  
Qi-Dong Tan ◽  
Jin-Lei Wang ◽  
...  
Keyword(s):  
Northwest China ◽  
Gansu Province ◽  
Gastrointestinal Parasites ◽  
Economic Losses ◽  
Parasitic Infections ◽  
Cattle Industry ◽  
Free Range ◽  
Bos Grunniens ◽  
High Prevalence ◽  
Different Seasons

Abstract Background Little information about the prevalence of gastrointestinal parasites in yaks (Bos grunniens) in northwest China is available. Therefore, the objective of the study was to quantify faecal egg counts of gastrointestinal parasites (helminths and coccidia) in free-range yaks from Gannan Tibetan Autonomous Prefecture, Gansu Province, Northwest China. Results Parasites were detected in 290 of 733 (39.56%) faecal samples. The results showed that Strongylidae, Trichuris spp. and Eimeria spp. were detected all year round, Strongyloides papillosus was detected in autumn and summer, and Nematodirus spp. was detected in both autumn and spring. In contrast, Fasciola spp. was only detected in spring. The prevalence rates of parasitic infections in different seasons were significantly different. Conclusions To our knowledge, this is the first investigation of gastrointestinal parasites in yaks (Bos grunniens) in Gansu, China. The results demonstrated a high prevalence of gastrointestinal parasitic infections, specifically GN infections, in yaks in GTAP and these infections can cause economic losses to the local cattle industry.

scholarly journals Inadequate management of natural ecosystem in the Brazilian Amazon region results in the emergence and reemergence of arboviruses

2001 ◽  
Vol 17 (suppl) ◽  
pp. S155-S164 ◽  
Author(s):  
Pedro F. C. Vasconcelos ◽  
Amélia P. A. Travassos da Rosa ◽  
Sueli G. Rodrigues ◽  
Elizabeth S. Travassos da Rosa ◽  
Nicolas Dégallier ◽  
...  
Keyword(s):  
Environmental Changes ◽  
Epidemiological Data ◽  
Brazilian Amazon ◽  
Host Population ◽  
Amazon Region ◽  
Laboratory Animals ◽  
Natural Ecosystem ◽  
Brazilian Amazon Region ◽  
Mining Dam ◽  
The Impact

A total of 187 different species of arboviruses and other viruses in vertebrates were identified at the Evandro Chagas Institute (IEC) from 1954 to 1998, among more than 10,000 arbovirus strains isolated from humans, hematophagous insects, and wild and sentinel vertebrates. Despite intensive studies in the Brazilian Amazon region, especially in Pará State, very little is known about most of these viruses, except for information on date, time, source, and method of isolation, as well as their capacity to infect laboratory animals. This paper reviews ecological and epidemiological data and analyzes the impact of vector and host population changes on various viruses as a result of profound changes in the natural environment. Deforestation, mining, dam and highway construction, human colonization, and urbanization were the main manmade environmental changes associated with the emergence and/or reemergence of relevant arboviruses, including some known pathogens for humans.

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