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Wyświetlanie 1-4 z 4
Tytuł:
Adaptacje Nippostrongylus brasiliensis [Travassos, 1914] do skazenia olowiem
Autorzy:
Gadomska, K
Powiązania:
https://bibliotekanauki.pl/articles/836497.pdf
Data publikacji:
1994
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
olow
pasozyty zwierzat
Nippostrongylus brasiliensis
metale ciezkie
parazytologia
nicienie
adaptacja
Opis:
It was investigated whether toxicity of lead (Pb) is so high that its effect on Nippostrongylus brasiliensis larvae could be transferred into subsequent (3) generations of the nematode. Wistar rats were infected with a dose 1000 N. brasiliensis larvae contaminated with Pb (9 days at 200 ppm in solution). The number of larvae in lungs after 24 and 42 hours and the number of adult nematodes in the small intestine after 90, 114 and 236 hours after infection were examined. To determine reproductiveness of the N. brasiliensis the number of eggs was determined. Eggs of the first generation subjected to Pb (P generation) were used to culture a subsequent generation of invasive larvae (F₁) which were used to infect rats. Eggs from that generation were used to culture the next invasive larvae generation (F₂) used again to infect rats. Lungs dissection after 24 hours has shown that the P generation produced 12 times less larvae than the control, while generations F₁ and F₂ produced 4,9-5 times less larvae than the control. Dissection data for the small intestine show the highest loss in invasive capability of this nematode in generation F₁. The dynamics of eggs excretion is the lowest in F₁ and excretion period is shorter by 1 day. In F₂, the number of eggs excreted is 5.8 times higher than in the control group. It seems that in F₂ generation mechanisms enabling the species to survive under unfavorable environmental conditions were started.
Źródło:
Annals of Parasitology; 1994, 40, 1; 53-58
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Adaptacje Nippostrongylus brasiliensis [Travassos, 1914] do skażenia ołowiem
Autorzy:
Gadomska, K.
Powiązania:
https://bibliotekanauki.pl/articles/2151429.pdf
Data publikacji:
1994
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
olow
pasozyty zwierzat
Nippostrongylus brasiliensis
metale ciezkie
parazytologia
nicienie
adaptacja
Opis:
It was investigated whether toxicity of lead (Pb) is so high that its effect on Nippostrongylus brasiliensis larvae could be transferred into subsequent (3) generations of the nematode. Wistar rats were infected with a dose 1000 N. brasiliensis larvae contaminated with Pb (9 days at 200 ppm in solution). The number of larvae in lungs after 24 and 42 hours and the number of adult nematodes in the small intestine after 90, 114 and 236 hours after infection were examined. To determine reproductiveness of the N. brasiliensis the number of eggs was determined. Eggs of the first generation subjected to Pb (P generation) were used to culture a subsequent generation of invasive larvae (F₁) which were used to infect rats. Eggs from that generation were used to culture the next invasive larvae generation (F₂) used again to infect rats. Lungs dissection after 24 hours has shown that the P generation produced 12 times less larvae than the control, while generations F₁ and F₂ produced 4,9-5 times less larvae than the control. Dissection data for the small intestine show the highest loss in invasive capability of this nematode in generation F₁. The dynamics of eggs excretion is the lowest in F₁ and excretion period is shorter by 1 day. In F₂, the number of eggs excreted is 5.8 times higher than in the control group. It seems that in F₂ generation mechanisms enabling the species to survive under unfavorable environmental conditions were started.
Źródło:
Wiadomości Parazytologiczne; 1994, 40, 1; 53-58
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ ołowiu na inwazyjność i rozrodczość nicienia Nippostrongylus brasiliensis (Travassos, 1914)
Effect of the lead on invasion and reproductiveness of the Nippostrongylus brasiliensis (Travassos, 1914)
Autorzy:
Gadomska, K.
Powiązania:
https://bibliotekanauki.pl/articles/840326.pdf
Data publikacji:
1991
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parazytologia
nicienie pasozytnicze
Nippostrongylus brasiliensis
inwazyjnosc
rozrodczosc
metale ciezkie
olow
Opis:
Influence of the lead on the biology of Nippostrongylus brasiliensis was examined. N. brasiliensis larvae exposed to the action of 200 ppm lead during 9 days were used to infect rats. The first group of the rats were infected with 1000 larvae kept in the solution of PBS whereas the larvae contaminated with the lead were given to the second group of rats. Capability to invasion of the contaminated larvae decreased by 28.7-57,2%. Reproductiveness of the N. brasiliensis decreased by 40.6% and the maximum point of production of the eggs was moved back by one day.
Źródło:
Annals of Parasitology; 1991, 37, 4
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ ołowiu na inwazyjność i rozrodczość nicienia Nippostrongylus brasiliensis (Travassos, 1914)
Effect of the lead on invasion and reproductiveness of the Nippostrongylus brasiliensis (Travassos, 1914)
Autorzy:
Gadomska, K.
Powiązania:
https://bibliotekanauki.pl/articles/2152376.pdf
Data publikacji:
1991
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parazytologia
nicienie pasozytnicze
Nippostrongylus brasiliensis
inwazyjnosc
rozrodczosc
metale ciezkie
olow
Opis:
Influence of the lead on the biology of Nippostrongylus brasiliensis was examined. N. brasiliensis larvae exposed to the action of 200 ppm lead during 9 days were used to infect rats. The first group of the rats were infected with 1000 larvae kept in the solution of PBS whereas the larvae contaminated with the lead were given to the second group of rats. Capability to invasion of the contaminated larvae decreased by 28.7-57,2%. Reproductiveness of the N. brasiliensis decreased by 40.6% and the maximum point of production of the eggs was moved back by one day.
Źródło:
Wiadomości Parazytologiczne; 1991, 37, 4; 453-455
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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