Lungworm Infestation in Piglets in Different Parts of Mizoram, India

Patra, Gautam; Prasad, Hridayesh; Lalsiamtha, Jonathan; Kataria, J.L.; Malsawmkim, David; Lalrinkima, H.

doi:10.3923/jp.2013.37.44

Cited by 4 publications

(7 citation statements)

References 5 publications

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“…An important role is also played by wild boar diseases, which may affect the growth and overall form of piglets in particular. As a result of their organisms coping with infection, they may fall behind in growth (Patra et al 2013). García-González et al (2013), for example, found a 41.01% prevalence of metastrongylosis in boars caught in Southwestern Spain.…”

Section: Discussionmentioning

confidence: 99%

Reproductive characteristics of wild boar males (Sus scrofa) under different environmental conditions

et al. 2019

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The wild boar population has been on a permanent increase over the last decades, causing conflicts with the requirements of modern human society. Existing effort to stabilize wild boar numbers generally fails with one of the causes being the high reproductive potential of wild boar. The aim of this study was to assess the onset of sexual maturity in wild boar males with regard to age, physical frame and environmental conditions on the basis of testicle development and sperm production. This study assessed the dimensions of gonads and the occurrence of sperm in boars caught during common hunts. Environmental conditions were found as an important factor for growth and sexual maturity of wild boar males. The body weight was a more important factor for sperm production than the age of young wild boar males. The weight threshold for sperm production in the testes was 29 kg of live weight, which corresponds to 6 months of age on average. This study has proven that environmental conditions are a significant factor affecting the physical development of male wild boars, more specifically the growth rate of their body frames and the onset of sexual maturity. In a better quality environment boars grow faster and enter puberty at an earlier age. Poor food supply and/or high hunting pressure result in slower body and testicular growth, as well as the production of sperm at a later age (approx. 2-3 months later).

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Section: Discussionmentioning

confidence: 99%

Reproductive characteristics of wild boar males (Sus scrofa) under different environmental conditions

et al. 2019

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“…Patra et al . (13) reported that lung parasites (metastrongylids) mainly degraded the condition and retarded the growth of the animals. The infestation of the lungs in swine is mostly associated with respiratory disturbances.…”

Section: Introductionmentioning

confidence: 99%

“…As examples of this, Ascaris suum and Metastrongylus spp. are known to cause verminous bronchitis and pneumonia in pigs (13, 15). Metastrongylid infections often are complicated by secondary bacterial and viral infections and end fatally (8).…”

Section: Introductionmentioning

confidence: 99%

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Pathomorphological studies on wild boars infected with Metastrongylus spp., Ascarops strongylina, and Macracanthorhynchus hirudinaceus

Panayotova-Pencheva

Todorovа

Dakova

2019

Journal of Veterinary Research

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Introduction: Pathomorphological changes in the lungs, stomach, and small intestines of wild boars infected with Metastrongylus spp., Ascarops strongylina, and Macracanthorhynchus hirudinaceus were investigated. Material and Methods: Dissection of 11 wild boars was performed, and parasitised organs were histologically investigated by common techniques. Results: Macroscopic lesions in the lungs infected with Metastrongyus spp. were seen within the apical parts of the large lobes, irregular in form, pale greyish in colour, and compact in consistency. The main pathohistological findings were: the presence of parasite forms, and lymphocytes and neutrophils in the lumen of bronchi and bronchioles, desquamation of the bronchial and bronchiolar epithelium, emphysema, thickening of alveolar septa, hyperaemia, alveolitis, infiltration of the interstitial tissue with giant cell, monocytes and eosinophils, and peribronchial and disseminated lymphoid hyperplasia. The principal observations accompanying infection with A. strongylina were inflammation and focal mucosal damage in the stomach, the latter clearly demarcated from the surrounding tissues. Severe injuries in the place of attachment of M. hirudinaceus to the wall of the small intestine were seen. Intestinal villi, underlying mucosa, and submucosa were destroyed, and an intense inflammatory reaction was present. Conclusion: The histopathological lesions showed wide diversity, varying from mild to severe; but none of them were lethal.

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“…Gastrointestinal parasites and lungworms are commonly detected in European wild boars [31][32][33][34], and they can infect domestic pigs and vice versa. Parasitic infections in domestic pigs are commonly subclinical, but weight loss, diarrhoea, reduced growth, depression, fatalities, reduced carcass quality and chronic and paroxysmal coughing can appear [35][36][37][38], depending on the parasite genera and infection dose. Hence, parasitic infections may cause significant economic losses to the pig production.…”

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confidence: 99%

Surveillance of important bacterial and parasitic infections in Danish wild boars (Sus scrofa)

et al. 2020

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Background: Similar to the situation in other European countries, Danish wild boars may harbour a wide range of pathogens infectious to humans and domestic pigs. Although wild boars must be kept behind fences in Denmark, hunting and consumption of the meat may cause zoonotic transmission. Moreover, most infections of wild boars are transmissible to domestic pigs, which may have important economic consequences. The aim of this study was to investigate whether Danish wild boars were infected with bacteria and parasites transmissible to humans or domestic pigs: Brucella suis, methicillin-resistant Staphylococcus aureus (MRSA), Salmonella spp., Trichinella spp., lungworms and gastrointestinal parasites, especially Ascaris suum. This is the first study to investigate the prevalence of these important pathogens in Danish wild boars. Results: Wild boars from eight enclosures were analysed over a 5-year period. All tested wild boars were negative for B. suis (n = 240), MRSA (n = 244), Salmonella spp. (n = 115) and Trichinella spp. (n = 232), while eight parasite genera were identified in the faeces (n = 254): Ascaris suum, Capillaria sp., Cystoisospora suis, Eimeria spp., Metastrongylus sp. (lungworm), Strongyloides ransomi, Trichuris suis and strongylid eggs, i.e. strongyles not identified to the genera. Eimeria spp. and Metastrongylus sp. had the highest prevalence (92.3 and 79.5%, respectively) and were identified in wild boars from all eight enclosures, while the remaining parasite genera were present more sporadically. Conclusions: Wild boars from Denmark constitute a low risk of transmitting B. suis, MRSA, Salmonella spp. and Trichinella spp. to humans or domestic pigs, while economically important parasites transmissible to domestic pigs are highly prevalent in the wild boar population.

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Lungworm Infestation in Piglets in Different Parts of Mizoram, India

Cited by 4 publications

References 5 publications

Reproductive characteristics of wild boar males (Sus scrofa) under different environmental conditions

Reproductive characteristics of wild boar males (Sus scrofa) under different environmental conditions

Pathomorphological studies on wild boars infected with Metastrongylus spp., Ascarops strongylina, and Macracanthorhynchus hirudinaceus

Surveillance of important bacterial and parasitic infections in Danish wild boars (Sus scrofa)

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