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A Comparative Study Of Lungworms In Sheep & Goats & The Effect Of Mixed Namatode Infection On Certain Blood Parameters

By: Irshad Ahmed Sherazi | Dr. Sh,. Asif Rabbani.
Contributor(s): Dr. Muhammad | Dr. Muhammad Afzal | Faculty of Veterinary Sciences.
Material type: materialTypeLabelBookPublisher: 1994Subject(s): Department of ParasitologyDDC classification: 0371,T Dissertation note: The present study was conducted to find out the incidence of lungworm infestation, identify the different species and to observe the effect of mixed nematode infections on certain blood parameters in sheep and goats. The study was conducted at Parasitology Laboratory, College of Vety. Sciences Lahore. For this purpose sheep & goats brought to Lahore abattoirs for slaughtering were closely examined before and after slaughter and animals suspected for lungworms were selected for collection of blood and tissue samples. 200 samples of lungs and blood 100 each from sheep and goats were collected for parasitological and haematolog ical examination, respectively. The results revealed that incidence of lungworms infestation in sheep and goats was 31 and 11 %, respectively. It was observed that Dictyocaulus filaria, Protostrongylus rufescence and Muellerius capillaris infection in lung of sheep was in the order of 22, 8, and 1 % respectively, whereas, the incidence of lungworms infestation in lungs of goats caused by the same species was 8, 3 and 0 %, respectively. The highest incidence of lungworms infection observed was that of Dictyocaulus filaria in both the sheep and goats, while Muellerius capillaris was found only in lungs of one sheep and infection by this species could not be detected in goats. The findings of this study showed that average red blood cell count, heamoglobin level and packed cell volume were reduced due to nematode infection in sheep and goats. The results have also indicated that nematode infection in sheep and goats enhanced erythrocyte sedimentation rate. From the results of the present study, it may be concluded that incidence of lungworm infestation in sheep and goats is on the higher side which warrants that suitable treatment and control measures should be adopted to safeguard our valuable livestock from this serious infection. It is also evident from the results that nematode infection adversly affects the components of blood in sheep and goats which may lead to anaemia and loss of growth and production.
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The present study was conducted to find out the incidence of lungworm infestation, identify the different species and to observe the effect of mixed nematode infections on certain blood parameters in sheep and goats. The study was conducted at Parasitology Laboratory, College of Vety. Sciences Lahore. For this purpose sheep & goats brought to Lahore abattoirs for slaughtering were closely examined before and after slaughter and animals suspected for lungworms were selected for collection of blood and tissue samples. 200 samples of lungs and blood 100 each from sheep and goats were collected for parasitological and haematolog ical examination, respectively.

The results revealed that incidence of lungworms infestation in sheep and goats was 31 and 11 %, respectively. It was observed that Dictyocaulus filaria, Protostrongylus rufescence and Muellerius capillaris infection in lung of sheep was in the order of 22, 8, and 1 % respectively, whereas, the incidence of lungworms infestation in lungs of goats caused by the same species was 8, 3 and 0 %, respectively.

The highest incidence of lungworms infection observed was that of Dictyocaulus filaria in both the sheep and goats, while Muellerius capillaris was found only in lungs of one sheep and infection by this species could not be detected in goats.

The findings of this study showed that average red blood cell count, heamoglobin level and packed cell volume were reduced due to nematode infection in sheep and goats. The results have also indicated that nematode infection in sheep and goats enhanced erythrocyte sedimentation rate. From the results of the present study, it may be concluded that incidence of lungworm infestation in sheep and goats is on the higher side which warrants that suitable treatment and control measures should be adopted to safeguard our valuable livestock from this serious infection. It is also evident from the results that nematode infection adversly affects the components of blood in sheep and goats which may lead to anaemia and loss of growth and production.

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