Search Results - "Cartmill, J.A"

Pregnancy in dairy cows after synchronized ovulation regimens with or without presynchronization and progesterone by El-Zarkouny, S Z, Cartmill, J A, Hensley, B A, Stevenson, J S

“…Two experiments examined pregnancy after synchronized ovulation (Ovsynch) with or without progesterone (P4) administered via controlled internal drug release…”
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Stage of cycle, incidence, and timing of ovulation, and pregnancy rates in dairy cattle after three timed breeding protocols by Cartmill, J A, El-Zarkouny, S Z, Hensley, B A, Lamb, G C, Stevenson, J S

“…In experiment 1, 705 cows were assigned to three treatments: 1) the Ovsynch protocol (a GnRH injection given 7 d before and another 48 h after one PGF2alpha…”
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An alternative AI breeding protocol for dairy cows exposed to elevated ambient temperatures before or after calving or both by Cartmill, J A, El-Zarkouny, S Z, Hensley, B A, Rozell, T G, Smith, J F, Stevenson, J S

“…Our objective was to determine if a timed artificial insemination (AI) protocol (Ovsynch) might produce greater pregnancy rates than AI after a synchronized,…”
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Evaluation of vaginal electrical resistance as an indicator of follicular maturity and suitability for timed artificial insemination in beef cows subjected to a synchronization of ovulation protocol by Zuluaga, J.F., Saldarriaga, J.P., Cooper, D.A., Cartmill, J.A., Williams, G.L.

“…Objectives were to test the hypothesis that vaginal electrical resistance (VER) could be used to identify cows without a large (<10 mm) follicle at timed-AI…”
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Leptin secretion in horses: Effects of dexamethasone, gender, and testosterone by Cartmill, J.A., Thompson, D.L., Del Vecchio, R.P., Storer, W.A., Crowley, J.C.

“…Five experiments were performed to evaluate the effects of dexamethasone (DEX), gender, and testosterone on plasma leptin concentrations in horses. In…”
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Endocrine responses in mares and geldings with high body condition scores grouped by high vs. low resting leptin concentrations by Cartmill, J.A, Thompson, D.L. Jr, Storer, W.A, Gentry, L.R, Huff, N.K

“…Previous observations from this laboratory indicated that horses with high BCS could have resting plasma leptin concentrations ranging from low (1 to 5 ng/mL)…”
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Presynchronization with gonadotropin-releasing hormone increases the proportion of Bos indicus-influenced females ovulating at initiation of synchronization but fails to improve synchronized new follicular wave emergence or fixed-time artificial insemination conception rates using intravaginal progesterone, gonadotropin-releasing hormone, and prostaglandin F₂α by Zuluaga, J.F, Saldarriaga, J.P, Cooper, D.A, Cartmill, J.A, Williams, G.L

“…The objectives were to evaluate the effect of presynchronization with GnRH on pregnancy rates (Exp. 1) and ovarian events (Exp. 2) in Bos indicus-influenced…”
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Resistance forces acting on suture needles by Frick, T.B, Marucci, D.D, Cartmill, J.A, Martin, C.J, Walsh, W.R

“…Understanding the resistance forces encountered by a suture needle during tissue penetration is important for the development of robotic surgical devices and…”
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Supplemental norgestomet, progesterone, or melengestrol acetate increases pregnancy rates in suckled beef cows after timed inseminations by Stevenson, J.S, Lamb, G.C, Johnson, S.K, Medina-Britos, M.A, Grieger, D.M, Harmoney, K.R, Cartmill, J.A, El-Zarkouny, S.Z, Dahlen, C.R, Marple, T.J

“…In Exp. 1, 187 lactating beef cows were treated with injections of GnRH 7 d before and 48 h after prostaglandin F2α (PGF2α; Cosynch) or with Cosynch plus a 7-d…”
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Ovarian, hormonal, and reproductive events associated with synchronization of ovulation and timed appointment breeding of Bos indicus-influenced cattle using intravaginal progesterone, gonadotropin-releasing hormone, and prostaglandin F₂α by Saldarriaga, J.P, Cooper, D.A, Cartmill, J.A, Zuluaga, J.F, Stanko, R.L, Williams, G.L

“…The objectives of this study were to 1) compare cumulative pregnancy rates in a traditional management (TM) scheme with those using a synchronization of…”
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Effects of deslorelin acetate implants in horses: Single implants in stallions and steroid-treated geldings and multiple implants in mares by Johnson, C.A, Thompson, D.L. Jr, Cartmill, J.A

“…Three experiments were performed to test the following hypotheses: 1) stallions and/or progesterone-estradiol-treated geldings could serve as models for the…”
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Effects of dexamethasone, glucose infusion, adrenocorticotropin, and propylthiouracil on plasma leptin concentrations in horses by Cartmill, J.A, Thompson, D.L, Gentry, L.R, Pruett, H.E, Johnson, C.A

“…In experiment 1, nine light horse geldings (three 3×3 Latin squares) received dexamethasone (DEX; 125 μg/kg BW, i.m.), glucose (0.2 g/kg BW, i.v.), or nothing…”
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Thyrotropin releasing hormone interactions with growth hormone secretion in horses by Pruett, H.E, Thompson, D.L. Jr, Cartmill, J.A, Williams, C.C, Gentry, L.R

“…Light horse mares, stallions, and geldings were used to 1) extend our observations on the thyrotropin releasing hormone (TRH) inhibition of GH secretion in…”
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The effects of equine somatotropin on pituitary and testicular function in the stallion during the nonbreeding season by Storer, William A., Thompson, Donald L., Cartmill, Joshua A.

“…An experiment was conducted to determine the effects of equine somatotropin on the reproductive axis of the stallion during the nonbreeding season. Adult…”
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A curved edge moderates high pressure generated by a laparoscopic grasper by SHAKESHAFT, A. J, CARTMILL, J. A, WALSH, W. R, MARTIN, C. J

“…Very high pressures are generated at the interface between the tip of laparoscopic graspers and tissue. The pressure profile suggests that the high pressure is…”
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