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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 | Dr. Muhammad | Dr. Muhammad Afzal | Faculty of Veterinary Sciences.

Material type: book Book; Format: print Publisher: 1994Dissertation 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. Availability: Items available for loan: UVAS Library [Call number: 0371,T] (1).

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Studies On The Incidence Of Gastro Intestinal Helminths And Their Economic Impact On Production Potential Of Sheep

by Zia ur Rehman, Qazi | Dr. Asif Rabbani | Dr. Muhammad | Dr. Muhammad Afzal | Faculty of Veterinary Sciences.

Material type: book Book; Format: print ; Literary form: not fiction Publisher: 1998Dissertation note: A study of gastro intestinal helminth parasites of sheep and goats of District Peshawar has been conducted, covering a period of 4 months (May to August, 1998). During this study incidence of GIT. helminths and their impact on production potential (weight gain) of sheep and goats was studied. Random collection of samples were made from Peshawar slaughter house and a total of 40 guts each in sheep and goats were examined and following species of helminths were recovered and identified. Oesophagostomum columbianum, 0. venulosum, Trichuris parvespiculum, Haemonchus contortus, Chabertia ovina, Bunostornum trigonocephalum, Nematodirus spathiger, Moniezia benedeni, Moniezia expansa, Trichuris lani, T. globulosa, Cysticercus tenuicollis. Only two species of cestodes and nine species of nematodes were recorded during the study. However no trematode specie was recorded. Amongst the nematodes Trichiurisparuespiculum infection was recorded to be the highest in sheep and goats with an incidence of 64.70% and 73.33% respectively. The incidence of Haemonchus contortus was 24.19 and 53.33% in sheep and goats respectively. The worm burden ranged from 1-470 in sheep and 3-141 in goats respectively. Out of total gastro intestinal tracts examined (40 each in sheep and goats), 73.33% and 60.29% were found positive for mixed infection in sheep and goats respectively. In order to assess the effect of GIT helminths on live weight gain and its measurement in terms of economics of the above mentioned animals, 0 Hasthnagri sheep and 30 beetal goats were divided into two groups (control vs. treated by Nilzan Plus of ICI). The average daily weight gain in sheep group was 83.78 gms while in goats it. was 85.26 gms per animal. On comparison with treated group, the increase weight gain was 3.03 kg and 2.56 kg in sheep and goats respectively at the end of the experiment. Calculating the increase on live weight basis Rs.234.5 and 158 per animal were earned more in sheep and goats respectively. After deducting the cost of anthelmintic treatment the net gain Rs.222.5 and Rs.146 per animal in sheep and goats. During this study a progressive decrease in faecal egg counts with increasing age was observed both in sheep and goats. Statistical analysis by using un-paired "t" test confirmed that there was significant differences in weight gain and faecal egg counts, between control and treated groups of sheep and goats. Availability: Items available for loan: UVAS Library [Call number: 0563,T] (1).

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