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Effect of seasonal variations on performance and parasitic infestation of cultured fish in Fayoum governorate. [electronic resource].

By:

Emeash, H. H

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Language: English Summary language: Arabic Description: p.319-323Other title:

تأثير التغيرات الموسمية على كفاءة ومعدل الاصابة الطفيلية فى مزارع الأسماك بمحافظة الفيوم.‪ [Added title page title]

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Beni-Suef veterinary medical journal, 2010 v. 20 (1), Special issue [electronic resource]:

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In: Beni-Suef Veterinary Medical Journal. Beni-Suef Vetrinary Medicen Journal November 2010, 6th Scientific conference 2010.v.17(1)(Special issue)Summary: A field study was carried out in a fish farm to study the effect of seasonal variations during the production period on performance and parasitic infestation of cultured fish. Water samples were obtained to determine the Physio--chemical investigation of water in the examined farm to estimate temperature dissolved oxygen, PH. ammonia, nitrite, nitrate salinity, total alkalinity and total hardness. Fish samples were obtained for parasitological examination to detect external parasitic infestation. The results referred that an elevation of water temperature during summer months leading to slight increase of PH of water, while dissolved oxygen values decreased from 6.8:0.15 to 6.0±t.S throughout the study period.

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A field study was carried out in a fish farm to study the effect of seasonal variations during the production period on performance and parasitic infestation of cultured fish. Water samples were obtained to determine the Physio--chemical investigation of water in the examined farm to estimate temperature dissolved oxygen, PH. ammonia, nitrite, nitrate salinity, total alkalinity and total hardness. Fish samples were obtained for parasitological examination to detect external parasitic infestation. The results referred that an elevation of water temperature during summer months leading to slight increase of PH of water, while dissolved oxygen values decreased from 6.8:0.15 to 6.0±t.S throughout the study period.

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