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Wyszukujesz frazę "European bison" wg kryterium: Temat


Wyświetlanie 1-7 z 7
Tytuł:
Acariformes [Acari] from European bison [Bison bonasus] in Bialowieza Primaeval Forest
Autorzy:
Izdebska, J.N.
Powiązania:
https://bibliotekanauki.pl/articles/836666.pdf
Data publikacji:
1998
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parasite
bison
Polska
Acari
European bison
Acariformes
Bison bonasus
host skin
Bialowieza National Park
Źródło:
Annals of Parasitology; 1998, 44, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Is spermiogenesis common or rare in young male European bison aged 2 and 3 years?
Autorzy:
Czykier, E.
Powiązania:
https://bibliotekanauki.pl/articles/31352.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
spermiogenesis
young male
male
European bison
bison
Bison bonasus
juvenile
body weight
test weight
Opis:
The aim of the present study was to determine how often spermiogenesis occurs in young male European bison up to 3 years old. Research was performed on sections of the testes and epididymes collected from 51 male bison aged 2-3 years. The animals were divided into 2 age groups: young males up to 2 years and young males up to 3 years old, with further separation into specimens with or without spermiogenesis. The animals were culled during the autumn-winter seasons in 1994-2008 (after rutting period) in the Bialowieża Primeval Forest. Spermiogenesis in the 2-year-old animals was a rare condition found in 16.7% of cases. However, at the age of 3 years more than half of the individuals examined (53.3%) had spermiogenesis. Young males up to 2 years old with spermiogenesis were characterized by a significantly higher body weight and their right testis also weighed more than the left testis of the animals without spermiogenesis, the difference being on the border of statistical significance. There was no significant differences in the body mass and weight of the left testis between older animals, up to 3 years old, with or without spermiogenesis. However, young males up to 3 years old with spermiogenesis were characterized by a significantly higher weight of the right testis than those without spermiogenesis.
Źródło:
Polish Journal of Veterinary Sciences; 2011, 14, 2
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Helminthofauna of free living European bison [Bison bonasus] in Bieszczady Mountains [Karpatians Mountains, Poland]
Autorzy:
Drozdz, J.
Demiaszkiewicz, A.W.
Lachowicz, J.
Powiązania:
https://bibliotekanauki.pl/articles/840027.pdf
Data publikacji:
1998
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parasite
bison
Bieszczady Mountains
Lutowiska Forestry District
Polska
Bialowieza
Carpathians Mountains
European bison
Bison bonasus
helminth
Źródło:
Annals of Parasitology; 1998, 44, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morphometric measurements of the seminiferous tubules of the testes in 2-year-old and 3-year-old European bison males with or without spermiogenesis
Autorzy:
Czykier, E.
Bierla, J.B.
Goral, K.
Powiązania:
https://bibliotekanauki.pl/articles/30574.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
morphometric measurement
seminiferous tubule
2-year-old animal
3-year-old animal
European bison
bison
male
spermiogenesis
juvenile
Opis:
The area, perimeter and diameter of the seminiferous tubules in the European bison Bison bonasus (L.) were statistically higher in the animals with than in those without spermiogenesis, both among 2-year-old and 3-year-old males (p<0.001; p<0.001; p<0.001).
Źródło:
Polish Journal of Veterinary Sciences; 2012, 15, 3
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nematodes of the large intestine of the European bison of the Bialowieza National Park
Autorzy:
Demiaszkiewicz, A.W.
Pyziel, A.M.
Kuligowska, I.
Lachowicz, J.
Krzysiak, M.K.
Powiązania:
https://bibliotekanauki.pl/articles/6492.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
nematode
large intestine
European bison
Bison bonasus
bison
Bialowieza National Park
parasite
Trichuris ovis
Oesophagostomum venulosum
Oesophagostomum radiatum
Ashworthius sidemi
Nematodirus helvetianus
parasitic infection
Źródło:
Annals of Parasitology; 2012, 58, 1
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
External parasites in European bisons at different breeding centres in Poland
Autorzy:
Izdebska, J.N.
Powiązania:
https://bibliotekanauki.pl/articles/837357.pdf
Data publikacji:
1998
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
Ixodidae
Polska
Acari
Ixodes ricinus
Bisonicola sedecimdecembrii
parasite
bison
external parasite
Bieszczady Mountains
Demodicidae
Demodex bisonianus
Chorioptes bovis
European bison
Bialowieza National Park
Źródło:
Annals of Parasitology; 1998, 44, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The state of bioelements in the hair of free-ranging European bisons from Białowieża Primeval Forest
Autorzy:
Kosla, T.
Skibniewska, E.
Skibniewski, M.
Powiązania:
https://bibliotekanauki.pl/articles/30717.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Bialowieza Forest
Polska
European bison
bioelement content
bison
hair
animal age
age
gender
animal hair
animal organism
hair sample
phosphorus content
magnesium content
titanium content
vanadium content
Opis:
Human or animal hair is considered to be a good indicator of the content of bioelements or toxic elements in human and animal organism. Its analysis is a good alternative for the arduous obtaining blood or biopsy samples. The aim of the performed research was the assessment of some chosen bioelements in the organism of European bison on the basis of their analysis in hair. The investigation material comprised hair samples obtained from 22 animals. All animals were divided into groups according to gender (males, females) and age (calves up to one year of age and animals older than 2 years). Samples were mineralized in nitric acid, under pressure in the microwave apparatus. The content of phosphorus, sulphur, magnesium, iron, titanium and vanadium were determined in hair samples. The content of these elements was determined using the ICP-AES method in accredited laboratory. The accuracy of determinations was tested using the standard reference material. The mean content of phosphorus in hair amounted to 245.14 mg · kg–1, SD 65.00, magnesium 97.32 mg · kg–1, SD 33.16, iron 119.48 mg · kg–1, SD 83.31 and titanium 2.368 mg · kg–1, SD 2.097. In case of these elements, differences depending on gender and age were statistically insignificant. Mean content of sulphur in the European bison hair amounted to 3.41% with equalized content in the herd (SD 0.22%). Here also statistically insignificant differences depending on gender were observed. However, a statistically significant difference (p ≤ 0,05) was demonstrated which depended on animal age. Mature European bisons had more sulphur in hair as compared to calves. The concentration of vanadium (0.362 mg · kg–1, SD 0.396 on the average) significantly differed in hair depending on the European bison age with much higher values in adult animals (calves 0.260 mg · kg–1, animals older than 2 years 0.686 mg · kg–1). Similar data were obtained while investigating hair of sea mammals.
Źródło:
Polish Journal of Veterinary Sciences; 2011, 14, 1
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-7 z 7

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