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Wyświetlanie 1-3 z 3
Tytuł:
Effect of ovulation rate and timing of ovulation after different hormone treatments on pregnancy rate in dairy cows
Autorzy:
Répási, A.
Szelényi, Z.
Melo De Sousa, N.
Beckers, J.F.
Nagy, K.
Szenci, O.
Powiązania:
https://bibliotekanauki.pl/articles/2087522.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
dairy cow
prostaglandin
GnRH
ultrasonography
progesterone
Źródło:
Polish Journal of Veterinary Sciences; 2019, 2; 355-362
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Vertical transmission of PCV2b to fetuses in sows intramuscularly infected with PCV2b
Autorzy:
Wang, N.D.
Li, J.J.
Wang, A.B.
Zhu, Z.
Chang, Y.
Mao, Y.
Zan, Y.
Wang, Z.F.
Deng, Z.B.
Powiązania:
https://bibliotekanauki.pl/articles/31535.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:
In order to investigate whether PCV2b can be transmitted across the placenta in sows thereby causing vertical infection of fetuses, six sows in 75 day of pregnancy were either intramuscularly inoculated with a PCV2b culture supernatant (n = 4) or mock infected with cell culture supernatant (n = 2). At parturition, 3 newborn piglets from each litter were randomly selected and euthanatized prior to suckling. Samples of the mesenteric lymph nodes, spleens, kidneys, hearts and lungs were collected for PCR, histopathological and immunohistochemical assays. The results showed that the newborn piglets from PCV2b-infected sows had histopathological lesions in the tested tissues. Moreover, PCV2b antigen and DNA were detected as well. These findings therefore suggested that porcine circovirus type 2b can be transmitted across the placenta of sows, thereby leading to PCV2b vertical infection of the fetuses.
Źródło:
Polish Journal of Veterinary Sciences; 2016, 19, 3
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Calcium (Ca2+) expression and intensity in cumulus-oocyte complex (COCs) in Kacang goat after vitrification
Autorzy:
Widjiati, W.
Faizah, Z.
Darsini, N.
Hendrawan, V.F.
Karima, H.N.
Chotimah, C.
Sumitro, S.B.
Yustinasari, L.R.
Kasman, A.A.M.N.
Ntoruru, J.M.
Luqman, E.M.
Powiązania:
https://bibliotekanauki.pl/articles/16539072.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
Calcium (Ca2+)
confocal laser scanning microscope
cumulus-oocyte complex (COCs)
food production
Kacang goat
Opis:
The process of vitrification of the cumulus-oocyte complex (COCs) often results in cold shock. When warming, heat shock occurs which can disrupt the balance of intracellular calcium (Ca2+) intensity. Drastic changes in temperature cause Reactive Oxygen Species (ROS), affecting changes on Ca2+ in COCs. The role of calcium is needed for oocyte activation in the fertilization process. The purpose of this study was to measure the expression of Ca2+ and the intensity of Ca2+ in COCs after vitrification. The study was divided into 2 groups, the control group (C) of fresh COCs, and the treatment group (T) of COCs after vitrification. After vitrification for 24 hours, then thawing, the expression of Ca2+ was examined using the Immunocytochemistry (ICC) method and the intensity of calcium (Ca2+) with a Confocal Laser Scanning Microscope (CLSM). The research data obtained were analyzed statistically by T-Test. The results showed that the expression of Ca2+ in the control group (12.00±0.00) was different from the treatment group (0.35±0.79). The intensity of Ca2+ in the control group (1059.43±489.59) was different from the treatment group (568.21±84.31). The conclusion of this study is that cryopreservation affects calcium in COCs; there were differences in the expression and the intensity of Ca2+ between fresh COCs and COCs after vitrification. Ca2+ intensity of COCs after vitrification was concentrated in the nucleus, while in fresh COCs it was concentrated in the cytoplasm.
Źródło:
Polish Journal of Veterinary Sciences; 2022, 25, 1; 19-26
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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