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Animal Science Database

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Abstract

Females of birds, some species of reptiles and insects lay fertile eggs several weeks or months after single mating or artificial insemination. Precise mechanism of storage semen in females oviduct is still unclear. Discovery of this mechanism could reveal fundamental information in the area of...

Author(s)
Benešová, B.; Trefil, P.
Publisher
Profi Press, s.r.o., Praha 5, Czech Republic
Citation
Veterinářství, 2012, 62, 3, pp 158-159
Abstract

The immune response of hens during artificial insemination (AI) and the survival of spermatozoa in the oviduct were determined in a series of studies. It was shown that lymphocytes, CD4+ and CD8+ cells were increased in the utero-vaginal junction (UVJ) tissue of low-fertility hens after repeated AI ...

Author(s)
Das, S. C.
Publisher
Graduate School of Biosphere Science, Hiroshima University, Higashi-Hiroshima, Japan
Citation
Biosphere Science, 2008, 47, pp 97-98
Abstract

Author(s)
Das, S. C.; Yoshimura, Y.
Citation
Proceedings of the 15th International Congress on Biotechnology in Animal Reproduction, Bangladesh Agricultural University, Mymensingh, Bangladesh, 6-7 August 2008., 2008, pp 108
Abstract

The semen quality of Cabot's Tragopan, the dependence of sperm yields on frequency of semen collection, and the duration of sperm storage in females were investigated. The results are as follows: (1) The average duration of the period in which Cabot's Tragopan can produce an ejaculate was about 70...

Author(s)
Zhang, Y. Y.
Publisher
Poultry Science Association, Savoy, USA
Citation
Poultry Science, 2006, 85, 5, pp 892-898
Abstract

The objective of this study was to determine the age effect of a broiler breeder flock on duration of fertility and number of spermatozoa penetrating the perivitelline layer overlying the germinal disc (SP/mm2 GDIPVL). Moreover, in the second half of the flock's reproductive life, the effect of...

Author(s)
Gumułka, M.; Kapkowska, E.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2005, 90, 1/2, pp 135-148
Abstract

The objective was to determine whether expression of estrogen receptor (ER) mRNA in the utero-vaginal junction (UVJ) of laying hens was altered after repeated artificial insemination (AI). Semi-quantitative RT-PCR was used to determine the expression of mRNA of the two types of receptor, ERα and...

Author(s)
Das, S. C.; Nagasaka, N.; Yoshimura, Y.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2006, 65, 4, pp 893-900
Abstract

The sperm storage tubules (SST) of the turkey hen, which are located in the uterovaginal junction (UVJ) of the oviduct, maintain viable sperm for up to 10 wk after a single insemination. The mechanisms of this in vivo sperm storage are poorly understood. Our objective was to evaluate mRNA and...

Author(s)
Foye-Jackson, O. T.; Long, J. A.; Bakst, M. R.; Blomberg, L. A.; Akuffo, V. G.; Silva, M. V. B.; Guthrie, H. D.; McMurtry, J. P.
Publisher
Poultry Science Association, Savoy, USA
Citation
Poultry Science, 2011, 90, 7, pp 1539-1547
Abstract

Eggs from young turkey breeder hens have a higher rate of early embryonic mortality (EEM) than eggs from older hens. Preliminary field data indicated that increased sperm concentration decreased the incidence of EEM in eggs from young hens. Possible explanations for decreased EEM following ...

Author(s)
Fairchild, B. D.; Christensen, V. L.
Publisher
Poultry Science Association, Savoy, USA
Citation
Journal of Applied Poultry Research, 2005, 14, 3, pp 576-581
Abstract

The goal of our present study was to observe whether the populations of antigen presenting cells (Ia+ cells) and T cell subsets (CD4+ and CD8+ T cells) change in the utero-vaginal junction (UVJ) of Rhode Island Red laying hens that showed dramatic declines in fertility after repeated artificial ...

Author(s)
Das, S. C.; Nagasaka, N.; Yoshimura, Y.
Publisher
Japanese Society of Animal Reproduction, Tokyo, Japan
Citation
Journal of Reproduction and Development, 2005, 51, 5, pp 683-687
Abstract

The goal of this study was to determine the mechanism by which the fertility is decreased by repeated artificial insemination (AI) in laying hens. The structures of sperm storage tubules (SST) and lymphocyte population in the uterovaginal junction (UVJ) of Rhode Island Red hens showing a declined...

Author(s)
Das, S. C.; Nagasaka, N.; Yoshimura, Y.
Publisher
Japan Poultry Science Association, Ibaraki, Japan
Citation
Journal of Poultry Science, 2005, 42, 1, pp 39-47

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