Search Results - "Betteridge, K."

Equine embryology: An inventory of unanswered questions by Betteridge, K.J.

“…Carl Hartman's title of 47 years ago is invoked in tribute to his first recovery of a bovine embryo 30 years before that, and his legacy of an emphasis on the…”
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Potential for spectral indices to remotely sense phosphorus and potassium content of legume-based pasture as a means of assessing soil phosphorus and potassium fertility status by Kawamura, K, Mackay, A. D, Tuohy, M. P, Betteridge, K, Sanches, I. D, Inoue, Y

“…Precision nutrient management needs analytical tools that aid collection of site-specific data. Adequate soil phosphorus (P) and potassium (K) fertility is…”
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Nitrogen concentration in the urine of cattle, sheep and deer grazing a common ryegrass/cocksfoot/white clover pasture by Hoogendoorn, CJ, Betteridge, K, Costall, DA, Ledgard, SF

“…Total nitrogen (N) concentration in the urine of 12- to 18-month old female sheep, cattle and deer grazing a common pasture was measured in the morning, noon…”
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Capturing urine while maintaining pasture intake, milk production, and animal welfare of dairy cows in early and late lactation by Clark, C E F, McLeod, K L M, Glassey, C B, Gregorini, P, Costall, D A, Betteridge, K, Jago, J G

“…Capturing urine and spreading it evenly across a paddock reduces the risk of nitrogen loss to the environment. This study investigated the effect of 16h/d…”
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Application of geovisual analytics to modelling the movements of ruminants in the rural landscape using satellite tracking data by Benke, K.K., Sheth, F., Betteridge, K., Pettit, C.J., Aurambout, J.-P.

“…Geovisual analytics provides a framework for the development of decision support tools for landscape design, analysis and optimisation. An important…”
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Permeability of the equine embryonic capsule to ethylene glycol and glycerol in vitro by Kingma, S.E. Gillard, Thibault, M.E., Betteridge, K.J., Schlaf, M., Gartley, C.J., Chenier, T.S.

“…Poor survival of cryopreservation by equine expanded blastocysts may involve low penetration of the embryonic capsule by cryoprotective agents (CPAs). This…”
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Changes in major proteins in the embryonic capsule during immobilization (fixation) of the conceptus in the third week of pregnancy in the mare by Quinn, B A, Hayes, M A, Waelchli, R O, Kennedy, M W, Betteridge, K J

“…During the third week of pregnancy, the equine conceptus is enclosed within a capsule, the glycan composition of which changes at around day 16 (ovulation =…”
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Production of capsular material by equine trophoblast transplanted into immunodeficient mice by Albihn, A, Waelchli, RO, Samper, J, Oriol, JG, Croy, BA, Betteridge, KJ

“…A novel xenogeneic transplantation approach was used to determine whether it is embryonic or maternal tissue that produces the material that gives rise to the…”
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Proteins Associated With the Early Intrauterine Equine Conceptus by Hayes, MA, Quinn, BA, Keirstead, ND, Katavolos, P, Waelchli, RO, Betteridge, KJ

“…A critical period of early gestation in the mare involves the immobilization (fixation) of the encapsulated conceptus at around days 16-17. We compared the…”
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Comparisons of oocyte maturation times and of three methods of sperm preparation for their effects on the production of goat embryos in vitro by Rho, G.J., Hahnel, A.C., Betteridge, K.J.

“…Various times of in vitro maturation of oocytes, and three methods of separating spermatozoa from frozen-thawed semen (Percoll density-gradient centrifugation,…”
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Sperm and oocyte treatments to improve the formation of male and female pronuclei and subsequent development following intracytoplasmic sperm injection into bovine oocytes by Rho, G.J. (University of Guelph, Ontario, Canada.), Kawarsky, S, Johnson, W.H, Kochhar, K, Betteridge, K.J

“…This study assessed pronuclear formation, the chromosomal constitution, and the developmental capacity of bovine zygotes formed by intracytoplasmic injection…”
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Fertilizing capacity of bovine sperm may be maintained by binding to oviductal epithelial cells by Pollard, J.W. (University of Guelph, Guelph, Ontario, Canada), Plante, C, King, W.A, Hansen, P.J, Betteridge, K.J, Suarez, S.S

“…The ability of the bovine oviduct to maintain the motility and fertilizing capacity of bovine sperm was investigated by incubating frozen-thawed sperm with…”
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Developmentally related changes in the metabolism of glucose and glutamine by cattle embryos produced and co-cultured in vitro by Rieger, D, Loskutoff, N M, Betteridge, K J

“…The metabolism of radiolabelled glucose and glutamine was measured in individual cattle embryos produced by in vitro maturation and fertilization of oocytes,…”
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Birth of live mice resulting from oocytes fertilized in vitro with cryopreserved spermatozoa by SONGSASEN, N, BETTERIDGE, K. J, LEIBO, S. P

“…The objective of this study was to develop a reliable method to cryopreserve mouse spermatozoa, using in vitro fertilization (IVF) of oocytes, development of…”
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Relationships between the completion of first cleavage and the chromosomal complement, sex, and developmental rates of bovine embryos generated in vitro by Yadav, B R, King, W A, Betteridge, K J

“…One thousand eighty-four two-cell bovine embryos produced from 1,574 oocytes matured and fertilized in vitro were cultured as groups separated according to the…”
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Production of four identical calves by the separation of blastomeres from an in vitro derived four-cell embryo by Johnson, W H, Loskutoff, N M, Plante, Y, Betteridge, K J

“…The blastomeres of two in vitro derived four-cell embryos were separated and transferred individually into surrogate zonae pellucidae, then co-cultured with…”
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Comparative aspects of conceptus growth: a historical perspective by Betteridge, KJ

“…This review provides a historical background for a series of articles arising from a symposium on Early Regulation of Mammalian Development. It begins by…”
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Glucose and glutamine metabolism in pre-attachment cattle embryos in relation to sex and stage of development by Tiffin, G J, Rieger, D, Betteridge, K J, Yadav, B R, King, W A

“…Individual Day-7 embryos (morulae to expanded blastocysts) were incubated with radiolabelled substrates and karyotyped to determine the sex. In Exp. 1, embryos…”
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A GEO-VISUAL ANALYTICS APPROACH TO BIOLOGICAL SHEPHERDING: MODELLING ANIMAL MOVEMENTS AND IMPACTS by Benke, K. K., Sheth, F., Betteridge, K., Pettit, C. J., Aurambout, J.-P.

“…The lamb industry in Victoria is a significant component of the state economy with annual exports in the vicinity of $1 billion. GPS and visualisation tools…”
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Transcription and translation in bovine nuclear transfer embryos by Lavoir, M.C, Kelk, D, Rumph, N, Barnes, F, Betteridge, K.J, King, W.A

“…The development of bovine embryos reconstructed by nuclear transfer (NT) is poor compared to that of embryos produced by in vitro fertilization. One reason for…”
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