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Wyszukujesz frazę "Nowicki, D." wg kryterium: Autor

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    Wyświetlanie 1-4 z 4
    Tytuł:
    Second prostaglandin F2α treatment during Ovsynch protocol does not improve fertility outcomes in dairy cows
    Autorzy:
    Nowicki, A.
    Barański, W.
    Tobolski, D.
    Zduńczyk, S.
    Janowski, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087597.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    cows
    Ovsynch
    second PGF2α treatment
    fertility
    Źródło:
    Polish Journal of Veterinary Sciences; 2019, 1; 157-161
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Prevalence of antibodies against Chlamydophila abortus and Coxiella burnetii in goat herds in Poland
    Autorzy:
    Czopowicz, M
    Kaba, J.
    Szalus-Jordanow, O.
    Nowicki, M.
    Witkowski, L.
    Nowicka, D.
    Frymus, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/32410.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    antibody
    prevalence
    Chlamydophila abortus
    Coxiella burnetii
    goat
    herd
    abortion
    enzootic abortion
    Q fever
    reproductive failure
    Opis:
    An epidemiological study was carried out to determine the herd prevalence of Chlamydophila abortus and Coxiella burnetii antibodies in goats covered by a milk recording program in Poland. The survey took place in 2007 and 48 herds located in different parts of the country were involved. A representative sample from each herd was taken by a simple random sampling allowing to detect seropositivity of a herd on a 95% level of confidence. In total 918 goats were tested for specific antibodies against both germs with the use of enzyme-linked immunosorbent assays. In addition, history of reproductive failures was recorded in these herds. The survey revealed that the herd prevalence of C. abortus was 4.2% (2 herds) while no C. burnetii antibodies were found. Abortions were reported to be a problem in 80% of herds while repeating estrus was encountered in 46% of herds. Reproductive failure concerned two seropositive herds as well. Since the germ is present in the population, it has to be taken into consideration in diagnostic process. Nevertheless, the results of the present study indicate that C. abortus infection occurs infrequently in Polish goats. As no antibodies against C. burnetii were detected in the screened sample the risk of goat-to-human transmission of both bacteria in Poland seems to be very low.
    Źródło:
    Polish Journal of Veterinary Sciences; 2010, 13, 1; 175-179
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The in vitro culture supplements and selected aspects of canine oocytes maturation
    Autorzy:
    Bukowska, D.
    Kempisty, B.
    Piotrowska, H.
    Zawierucha, P.
    Brussow, K.P.
    Jaskowski, J.M.
    Nowicki, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/32078.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    in vitro culture
    supplement
    dog
    oocyte
    maturation
    oestrous cycle
    bitch
    Opis:
    The maturation of oocytes is one of the most important steps determining their developmental competence. Due to the low percentage of oocytes of bitches that reach the MII stage, searching for reagents that may stimulate the growth and maturation of oocytes is still present in this species of mammals. The most important media supplements include gonadotropins (LH, FSH, hCG), growth factors (IGF, TGF, EGF, FGF), progesterone and follicular fluid. It is suggested that the supplement of EGF, and/or follicular cells may have an important influence on the percentage of cells that reach the MII stage. Despite plenty of research based on the improvement of bitch oocytes in vitro culture, the results obtained are still unsatisfactory. Moreover, in the long stages of canine oocytes maturation many molecular and morphological modifications (including changes in mitochondria structure and configuration in the cytoplasm) are involved. In this article, the influence of selected media supplements on the efficiency of bitch oocytes in vitro maturation was described. The molecular and morphological modifications during canine oocytes maturation were also considered in the text.
    Źródło:
    Polish Journal of Veterinary Sciences; 2012, 15, 1
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of the risk factors influencing the spread of caseous lymphadenitis in goat herds
    Autorzy:
    Kaba, J.
    Nowicki, M.
    Frymus, T.
    Nowicka, D.
    Witkowski, L.
    Szalus-Jordanow, O.
    Czopowicz, M.
    Thrusfield, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/30670.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    risk factor
    spread
    caseous lymphadenitis
    goat
    herd
    Corynebacterium pseudotuberculosis
    epidemiology
    Opis:
    Epidemiological studies on caseous lymphadenitis were carried out in Poland in 1996 and 2002 among goat herds covered by a milk recording program. Between-herd seroprevalence was 13.2% in 1996 and increased to 62.5% in 2002. The average size of seropositive herds was statistically significantly higher than that of seronegative ones, however there was no statistically significant difference in the age between the herds. A statistically significant prevalence ratio (PR) was identified and relevant attributable risk for exposed animals (ARexp) was calculated for the following risk factors: presence of seropositive males in a herd (PR=8.350; ARexp=0.651), presence of superficial abscesses in animals (PR=6.142; ARexp=0.620), presence of respiratory signs (PR=2.900; ARexp=0.393), presence of animals in poor condition in a herd (PR=2.774; ARexp=0.390) and occurrence of reproductive failures in a herd (PR=1.798; ARexp=0.230). Purchase of animals from abroad, mastitis and husbandry conditions (housing system, grazing system, hygienic conditions) were not shown to be statistically significant risk factors.
    Źródło:
    Polish Journal of Veterinary Sciences; 2011, 14, 2
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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