Search Results - "Bakst, M.R"

Lectin staining of the uterovaginal junction and sperm-storage tubule epithelia in broiler hens by Bakst, M. R., Bauchan, G.

“…Mammalian sperm bind to terminal carbohydrates associated with glycoconjugates on the apical surface of oviduct epithelial cells in the caudal region of the…”
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Oviductal expression of avidin, avidin-related protein-2, and progesterone receptor in turkey hens in relation to sperm storage: Effects of oviduct tissue type, sperm presence, and turkey line by 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

“…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…”
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Alkaline phosphatase reactivity in the vagina and uterovaginal junction sperm-storage tubules of turkeys in egg production: implications for sperm storage by Bakst, M.R, Akuffo, V

“…1. Currently there remains contradictory information on the localisation and possible role of alkaline phosphatase (AP) in the chicken and Japanese quail…”
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Morphological and histochemical characterization of the seminiferous epithelial and Leydig cells of the turkey by Bakst, M.R., Akuffo, V., Trefil, P., Brillard, J.P.

“…Unlike mammals, there is little fundamental information about spermatogenesis in birds. This study was undertaken to clarify the morphology, histochemistry,…”
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Morphology of the turkey vagina with and without an egg mass in the uterus by Bakst, M.R, Akuffo, V

“…In this study we examined the gross anatomy of the uterus and vagina in turkeys in egg production. With no uterine egg mass, removal of the tunica serosa that…”
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Localization of aquaporins in the sperm storage tubules in the turkey oviduct by Zaniboni, L, Bakst, M.R

“…Oviductal sperm storage tubules (SST), located at the uterovaginal junction, are the primary site of sperm storage in turkeys. Sperm reside within these…”
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Comparative staging of embryo development in chicken, turkey, duck, goose, guinea fowl, and Japanese quail assessed from five hours after fertilization through seventy-two hours of incubation by Sellier, N, Brillard, J.P, Dupuy, V, Bakst, M.R

“…Normal tables of chicken embryo development are used to define specific stages of morphogenetic progression from the first cleavage divisions through hatching…”
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Serotonin Localization in the Turkey Vaginal but not Sperm Storage Tubule Epithelia by Bakst, M.R, Akuffo, V

“…Elucidating the cellular and molecular mechanisms regulating sperm selection and transport in the vagina of the hen had been the focus of a limited amount of…”
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Turkey Sperm Reside in the Tubular Glands in the Urodeum Following Artificial Insemination by Bakst, M.R, Akuffo, V

“…A turkey hen in egg production requires 48 h after the last insemination to maximize the number of sperm in the uterovaginal junction sperm-storage tubules…”
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Aquaporins are observed in the duct epithelia of the epididymal region of the large white turkey by Zaniboni, L, Akuffo, V, Bakst, M.R

“…The cellular and molecular mechanisms regulating the reuptake of the testicular fluid supporting sperm exiting the testes in the bird are not known. The…”
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Comparisons of sperm storage tubule distribution and number in 4 strains of mature broiler breeders and in turkey hens before and after the onset of photostimulation1 by Bakst, M.R., Donoghue, A.M., Yoho, D.E., Moyle, J.R., Whipple, S.M., Camp, M.J., Liu, G.Q., Bramwell, R.K.

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Effect of fenbendazole on turkey semen quality by Bakst, M.R, Kramer, M, Long, J

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Comparative development of the turkey and chicken embryo from cleavage through hypoblast formation by Bakst, M.R. (Germplasm and Gamete Physiology Laboratory, ARS, USDA, Beltsville, MD.), Gupta, S.K, Akuffo, V

“…The development of the turkey and chicken embryo from the first cleavage division through hypoblast formation is described. The early development of the…”
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PHYSIOLOGY AND ENDOCRINOLOGY SYMPOSIUM: Role of the oviduct in maintaining sustained fertility in hens by Bakst, M.R

“…In poultry, sperm transferred by natural mating or AI into the distal end of the vagina immediately begin their ascent to the uterovaginal junction (UVJ) at…”
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Short periods of incubation during egg storage increase hatchability and chick quality in long-stored broiler eggs by Dymond, J, Vinyard, B, Nicholson, A D, French, N A, Bakst, M R

“…It is recognized that cool egg storage for 8 d or longer, commonly employed in broiler parent and commercial layer production, reduces hatchability. In this…”
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Observations of turkey eggs stored up to 27 days and incubated for 8 days: embryo developmental stage and weight differences and the differentiation of fertilized from unfertilized germinal discs by Bakst, M. R., Welch, G. R., Camp, M. J.

“…For logistical reasons, egg storage prior to incubation is a growing practice in the commercial turkey industry. Yet the consequence of increasing egg storage…”
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Gross appearance of the turkey blastoderm at oviposition by Bakst, M.R. (GGPL, ARS, USDA, Beltsville, MD.), Gupta, S.K, Potts, W, Akuffo, V

“…The blastoderm (fertilized ovum) and unfertilized germinal disc (UGD) of fresh laid eggs and eggs stored prior to incubation exhibit subtle but definable…”
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Impact of broiler egg storage on the relative expression of selected blastoderm genes associated with apoptosis, oxidative stress, and fatty acid metabolism by Bakst, M. R., Welch, G. R., Fetterer, R., Miska, K.

“…Cool temperature storage of eggs prior to incubation is a frequent practice by commercial broiler hatcheries. However, continued storage beyond 7 d leads to a…”
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Effects of isolation and culture of turkey primary follicular oocytes on morphology and germinal vesicle integrity by Bakst, M.R, Gliedt, D, Akuffo, V, Potts, W, Gupta, S.K

“…A novel approach to the production of transgenic poultry is to use primary follicular oocytes (PFOs). However, fundamental information regarding the impact of…”
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Isolation of sperm storage tubules from the uterovaginal junction mucosa of the turkey by King, L.M, Brillard, J.P, Bakst, M.R, Donoghue, A.M

“…This study was performed to determine whether intact sperm storage tubules (SST) could be successfully isolated from the uterovaginal junction (UVJ) mucosa of…”
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