Wplyw zmiennych warunkow temperatury na rozwoj i przezywalnosc larw nicieni zoladkowo-jelitowych owiec

• Autorzy: Paciejewski S
• Języki publikacji: PL

Abstrakty

EN

The development of the larvae of roundworms in the gastrointestinal tract of sheep under the condition of significant temperature fluctuation within a day and night was studied. Moreover, the survival rate of the Haemonchus contortus and Ostertagia circumcincta and Tricho- strongylus sp. and Chabertia ovina larvae stored in the samples of faeces at 17-24°C, 4°C and -10°C was examined. It was found that the first larvae of Haemonchus contortus and Ostertagia circumcincta occurred at 4-26°C after 33 days. The highest number of the larvae appeared at days 42 and 45 since the culture commencement. In relation to control samples, the number of developed larvae was 19 per cent. In the samples stored alternately at 24°C and -10°C the first larvae of Haemonchus contortus and Ostertagia circumcincta were found at day 42. Compared with control samples they constituted only 3 per cent of the larvae. Invasive larvae stored in faeces at 17-24°C or at 4°C survived 35 days and 85 days respectively, while stored at -10°C they survived 180 days; they were classified as Ostertagia circumcincta.

Słowa kluczowe

PL

temperatura; pasozyty zwierzat; przezywalnosc; czynniki srodowiska; rozwoj larw; nicienie zoladkowo-jelitowe; parazytologia; owce; larwy

• Wydawca: -
• Czasopismo: Medycyna Weterynaryjna
• Rocznik: 1995
• Tom: 51
• Numer: 01
• Opis fizyczny: s.36-38,tab.,bibliogr.

Twórcy

autor

Paciejewski S

• Instytut Weterynarii, Al.Partyzantow 57, 24-100 Pulawy

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