Search Results - "Wilde, R.E."

Hyperthermia and not hypoxia may reduce sperm motility and morphology following testicular hyperthermia by Kastelic, J.P., Wilde, R.E., Rizzoto, G., Thundathil, J.C.

“…The mammalian testis typically operates on the brink of hypoxia; the long-standing dogma is that increased testicular temperature increases metabolism, but…”
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Testicular ultrasonogram pixel intensity during sexual development and its relationship with semen quality, sperm production, and quantitative testicular histology in beef bulls by Brito, L.F.C, Barth, A.D, Wilde, R.E, Kastelic, J.P

“…This study was conducted to evaluate testicular ultrasonogram pixel intensity during sexual development in bulls and to determine its relationship with semen…”
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Effect of growth rate from 6 to 16 months of age on sexual development and reproductive function in beef bulls by Brito, L.F.C, Barth, A.D, Wilde, R.E, Kastelic, J.P

“…Sexual development and reproductive function were studied in 22 Angus × Charolais and 17 Angus bulls from 6 to 16 mo of age. Associations of average daily gain…”
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Resynchronization of previously timed-inseminated beef heifers with progestins by Colazo, M.G., Kastelic, J.P., Mainar-Jaime, R.C., Gavaga, Q.A., Whittaker, P.R., Small, J.A., Martinez, M.F., Wilde, R.E., Veira, D.M., Mapletoft, R.J.

“…The objective was to determine the efficacy of a previously used CIDR or melengestrol acetate (MGA; 0.5 mg/head/day) for resynchronization of estrus in beef…”
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Hyperthermia is more important than hypoxia as a cause of disrupted spermatogenesis and abnormal sperm by Kastelic, J.P., Wilde, R.E., Bielli, A., Genovese, P., Rizzoto, G., Thundathil, J.

“…We tested the hypothesis that hypoxia replicates effects of hyperthermia on reducing number and quality of sperm produced, whereas hyperoxia mitigates effects…”
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Arterial blood flow is the main source of testicular heat in bulls and higher ambient temperatures significantly increase testicular blood flow by Barros Adwell, C.M.Q., Brito, L.F.C., Oba, E., Wilde, R.E., Rizzoto, G., Thundathil, J.C., Kastelic, J.P.

“…Two experiments were done in bulls to determine: total testicular blood flow, testis oxygenation and heat, and effects of ambient temperature on testicular…”
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Effect of feed restriction during calfhood on serum concentrations of metabolic hormones, gonadotropins, testosterone, and on sexual development in bulls by Brito, L F C, Barth, A D, Rawlings, N C, Wilde, R E, Crews, D H, Boisclair, Y R, Ehrhardt, R A, Kastelic, J P

“…The objective of the present study was to evaluate the effects offeed restriction during calfhood on serum concentrations of metabolic hormones, gonadotropins,…”
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Effect of improved nutrition during calfhood on serum metabolic hormones, gonadotropins, and testosterone concentrations, and on testicular development in bulls by Brito, Leonardo F.C., Barth, Albert D., Rawlings, Norm C., Wilde, Randal E., Crews, Denny H., Mir, Priya S., Kastelic, John P.

“…The objective of the present study was to evaluate the effects of improved nutrition during calfhood on serum metabolic hormones, gonadotropins and…”
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Resynchronization of estrus in beef cattle: ovarian function, estrus and fertility following progestin treatment and treatments to synchronize ovarian follicular development and estrus by Colazo, M.G, Kastelic, J.P, Small, J.A, Wilde, R.E, Ward, D.R, Mapletoft, R.J

“…The objective was to optimize rebreeding of nonpregnant, previously inseminated beef cattle. In Experiment 1, 43 cows received a used intravaginal…”
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Infrared spectroscopic study of the photolytic decomposition of methyl azidoformate by Wilde, Richard E, Srinivasan, T. K. K, Lwowski, Walter

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