Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Tadashi Nakada"'
Autor:
Muslah U. Ahammad, Tomoko Miyazato, Chiaki Nishino, Hideki Tatemoto, Nobuhiko Okura, Shin Okamoto, Yasuhiro Kawamoto, Tadashi Nakada
Publikováno v:
The Journal of Poultry Science, Vol 50, Iss 1, Pp 74-82 (2013)
In this study, whether the secretion of the uterine fluid (UF) exerts a role in the prolongation of functional life-span of the sperm in the hen oviduct was evaluated. The sperm were subjected to upper vaginal artificial insemination (AI) in the vici
Externí odkaz:
https://doaj.org/article/40e34e24424a4a83b507c81ea23e3527
Publikováno v:
The Journal of Poultry Science, Vol 43, Iss 3, Pp 307-311 (2006)
The present experiment was designed to ascertain whether gelatin-substrate slide technique devised for detection of the proteolytic activity of acrosomal contents can be used for quail sperm, and to determine whether treatment with the endocrine disr
Externí odkaz:
https://doaj.org/article/cb3491d859a340b6b9c9a1888fe796d9
Publikováno v:
The Journal of Poultry Science, Vol 43, Iss 1, Pp 67-74 (2006)
The aim of this study was to examine the effects of diethylstilbestrol (DES) administration on sperm penetration into the inner perivitelline layer (IPL) of ovum, and the interaction between sperm and ovum in Japanese quail (Coturnix japonica). DES w
Externí odkaz:
https://doaj.org/article/d6e693e45dd241558f8ef47ddb61bdbc
Autor:
C. Nishino, Shin Okamoto, Yasuhiro Kawamoto, M.U. Ahammad, Tadashi Nakada, Nobuhiko Okura, Hideki Tatemoto
Publikováno v:
Poultry Science. 92:798-803
The aim of this study was to determine the site of enzyme release from the acrosome and the fate of the acrosomal cap during the process of acrosome reaction (AR) in fowl sperm. Gelatin substrate coverslips with halos were subjected to scanning elect
Autor:
Shin Okamoto, M.U. Ahammad, Hideki Tatemoto, Tomoko Miyazato, Yasuhiro Kawamoto, Tadashi Nakada, Nobuhiko Okura, Chiaki Nishino
Publikováno v:
The Journal of Poultry Science. 50:74-82
1 Science of Bioresource Production, The United Graduate School of Agricultural Sciences, Kagoshima University, Kagoshima city, Kagoshima 890-0065, Japan 2 Faculty of Agriculture, University of the Ryukyus, Nishihara-cho, Okinawa 903-0213, Japan 3 Fa
Publikováno v:
Animal Science Journal. 84:8-14
The present study was conducted to delineate whether N-glycosylation of zona pellucida (ZP) glycoproteins occurred during meiotic maturation and whether this N-glycosylation played a role in sperm–ZP interactions of porcine cumulus denuded oocytes
Autor:
Nobuhiko Okura, Yasuhiro Kawamoto, M.U. Ahammad, C. Nishino, Tadashi Nakada, Shin Okamoto, Hideki Tatemoto
Publikováno v:
Animal Reproduction Science. 128:129-136
The objective of this study was to examine whether domestic fowl (Gallus domesticus) sperm undergo maturation in their capacity for survival and fertilization in the male reproductive tract. Sperm collected from the testis, epididymis and the proxima
Publikováno v:
Asian-Australasian Journal of Animal Sciences. 24:1199-1203
The objective of this study was to examine the binding potential of sperm to the epithelium of the sperm storage tubules (SST) in vitro and in vivo to assess the functional maturation of fowl sperm. Sperm from the testis, epididymis, as well as the p
Publikováno v:
Theriogenology. 75(6):1146-1152
The objective was to determine whether N-glycosylation of zona pellucida (ZP) glycoproteins occurred during meiotic maturation of porcine oocytes, and whether this had a role in fertilization. In the first of three experiments, carbohydrate residues
Autor:
K. Miyazaki, Tatsuzo Oka, Tadashi Nakada, M. Matsumoto, Takeshi Obi, Atsushi Miyamoto, Yasuhiro Kawamoto, K. Kitsutaka, Masanobu Tamaki, Kozo Takase
Publikováno v:
Asian-Australasian Journal of Animal Sciences. 23:1244-1249
Comparisons of properties between skeletal ryanodine receptor 1 (sRyR1)-heterozygous-mutated and normal types of meat were carried out in pigs using PSE (pale, soft and exudative) meat found during the butchering process. All samples considered to be