Search Results - "Saacke, R.G."

Sperm morphology: Its relevance to compensable and uncompensable traits in semen by Saacke, R.G.

“…The nature of subfertility due to the male or inseminate is as complex as that of the female. Fertilization failure, and failure in embryogenesis, are both of…”
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Insemination factors related to timed AI in cattle by Saacke, R.G.

“…Six-day-old bovine ova/embryos were recovered non-surgically and used as biomonitors to evaluate time of artificial insemination. These embryos/ova provided…”
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Relationship of seminal traits and insemination time to fertilization rate and embryo quality by Saacke, R.G, Dalton, J.C, Nadir, S, Nebel, R.L, Bame, J.H

“…The nature of subfertility due to the male or inseminate is as complex as that of the female. Fertilization failure or failure in embryogenesis are both…”
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Effect of time of insemination on number of accessory sperm, fertilization rate, and embryo quality in nonlactating dairy cattle by Dalton, J C, Nadir, S, Bame, J H, Noftsinger, M, Nebel, R L, Saacke, R G

“…Two experiments were conducted to determine the effect of insemination time on number of accessory sperm per embryo (ovum), fertilization rate, and embryo…”
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Assessment of pronuclear formation following in vitro fertilization with bovine spermatozoa obtained after thermal insulation of the testis by Walters, A.H., Saacke, R.G., Pearson, R.E., Gwazdauskas, F.C.

“…This study was conducted to follow the chronology of pronuclear formation in bovine zygotes after in vitro insemination with a population of spermatozoa having…”
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The incidence of apoptosis after IVF with morphologically abnormal bovine spermatozoa by Walters, A.H., Saacke, R.G., Pearson, R.E., Gwazdauskas, F.C.

“…Normal embryonic development depends on the maintenance of a population of normal healthy cells within each embryo. The aim of this study was to use a…”
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Insulating the scrotal neck affects semen quality and scrotal/testicular temperatures in the bull by Kastelic, J.P., Cook, R.B., Coulter, G.H., Saacke, R.G.

“…Nine Simmental X Angus bulls (2-yr of age) were used in 2 experiments. In Experiment 1, the scrotal neck was insulated (from Day 1 to Day 8) in 5 bulls, and…”
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Effect of long-term immunization against inhibin on sperm output in bulls by Bame, J.H, Dalton, J.C, Degelos, S.D, Good, T.E.M, Ireland, J.L.H, Jimenez-Krassel, F, Sweeney, T, Saacke, R.G, Ireland, J.J

“…To determine the effect of neutralization of inhibin on sperm output, 12 Holstein bulls were paired by birth date and weight on Day 1 of age. Each bull was…”
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Effect of Long-Term Immunization against Inhibin on Sperm Output in Bulls1 by Bame, J.H., Dalton, J.C., Degelos, S.D., Good, T.E.M., Ireland, J.L.H., Jimenez-Krassel, F., Sweeney, T., Saacke, R.G., Ireland, J.J.

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Effects of scrotal insulation on viability characteristics of cryopreserved bovine semen by Vogler, C J, Saacke, R G, Bame, J H, Dejarnette, J M, McGilliard, M L

“…The effect of a 48-h scrotal insulation on spermatozoal viability (motility and acrosomal integrity), before and after semen cryopreservation, was studied in…”
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Ejaculation increases scrotal surface temperature in bulls with intact epididymides by Kastelic, J.P., Cook, R.B., Coulter, G.H., Saacke, R.G.

“…The objective of the study was to determine the effects of ejaculation on scrotal surface temperature (SST) measured with infrared thermography in bulls. In 18…”
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Accessory sperm numbers for cattle inseminated with protamine sulfate microcapsules by Munkittrick, T W, Nebel, R L, Saacke, R G

“…A study utilizing two morphologically distinct sperm populations in a heterospermic trial was conducted to evaluate the effect of microencapsulation on…”
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Semen quality in relation to semen preservation by Saacke, R G

“…A goal of research in laboratory evaluation of semen has been ultimately to predict the fertility achievable with use of that semen. This would permit…”
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Bovine embryo development after IVF with spermatozoa having abnormal morphology by Walters, A.H., Eyestone, W.E., Saacke, R.G., Pearson, R.E., Gwazdauskas, F.C.

“…The study was conducted to evaluate the effects of scrotal insulation on semen samples collected from bulls on embryonic development after IVF. Semen samples…”
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The morphology and pathogenesis of magnesium deficiency-induced nephrocalcinosis by Bunce, G E, Saacke, R G, Mullins, J

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Can spermatozoa with abnormal heads gain access to the ovum in artificially inseminated super- and single-ovulating cattle? by Saacke, R.G, Dejarnette, J.M, Bame, J.H, Karabinus, D.S, Whitman, S.S

“…The collective efficiency of barriers in the female tract against spermatozoa with abnormal heads was studied. In Experiment 1, Day 6 ova/embryos were…”
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Effects of feeding endophyte-infected fescue seed on reproductive traits of male mice divergently selected for resistance or susceptibility to fescue toxicosis by Ross, Megan K, Hohenboken, William D, Saacke, Richard G, Kuehn, Larry A

“…Our objective was to determine whether consumption of endophyte-infected fescue seed affected male reproduction differently in a mouse line previously selected…”
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Prolactin, the Golgi apparatus, and milk secretion. Brief interpretive review by Keenan, T W, Saacke, R G, Patton, S

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Effect of a deep uterine insemination on spermatozoal accessibility to the ovum in cattle: A competitive insemination study by Dalton, J.C, Nadir, S, Bame, J.H, Saacke, R.G

“…A competitive insemination study was conducted to determine the effect of a deep uterine insemination on accessory sperm number per embryo in cattle…”
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Effect of freezing semen and dosage of sperm on number of accessory sperm, fertility, and embryo quality in artificially inseminated cattle by Nadir, S. (Virginia Polytechnic Institute and State University, Blacksburg, VA), Saacke, R.G, Bame, J, Mullins, J, Degelos, S

“…This experiment was conducted to determine whether use of fresh or frozen semen at either 20 X 10(6) (low) or 100 X 10(6) (high) sperm per dose affects the…”
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