Interrelationships of certain thermal and endocrine phenomena and reproductive function in the female bovine / by Francis Charles Gwazdauskas.

Abstract

Simple correlations between hormone measurements. 37 Physical characteristics of plasma in heifers at^9 21.3 C and 32.0 C. Overall least squares analyses of variance for 96 hormones in heifers at 21.3 C and 32.0 C. Plasma progestins (ng/ml) following PGF^injection. 97 Plasma estradiol (pg/ml) following PGFp injection. 98 Plasma estrone (pg/ml) following PGFp injection. 99 Plasma LH (ng/ml) following PGFp injection. 100 Plasma prolactin (ng/ml) following PGFp injection. 101 Plasma corticoids (ng/ml) following PGFp injection. 102 11 Plasma corticoids (ng/ml) prior to and following 103 200 lU ACTH. Plasma progestins (ng/ml) prior to ACTH injection. 104 Simple correlations betv;een hormones and temperatures. 105 Analysis of variance for aortic and uterine temperatures. 106 Hormonal and temperature measurements for 6665 (6) and 107 JN15 (J). VI 9 Uterine and aortic temperature prior to and following 65 IV injection of 12 ml sterile physiological saline. 10 Uterine and aortic temperature prior to and following 67 IV injection of 3 mg estradiol-17e. 11 ATuterus-aorta P'^'o'' to and following either 12 ml 69 saline or 3 mg estradiol-17B. vn-List of Figures (continued); Figure Page No. 12 Uterine and aortic temperature prior to and after injection of estradiol-17e from continuous recording. 13 Uterine and aortic temperatures prior to and following PGFo injections in G665. CO. 14 Uterine and aortic temperatures prior to and follov/ing PGFo injections in JN15. ca 15 Changes in aT, , following PGF, injections. u-a CO. 16 Uterine and aortic temperatures, LH and estradiol in G655 and air temperatures. 17 Uterine and aortic temperatures, LH and estradiol in JN15 and air temperatures. 18 Circadian uterine, aortic and air temperature changes.

Effects of Thermal Stress and Epinephrine on Uterine Blood Flow in Ewes

“…reproductive behav-~r (Branton et al, 1957;Gahgwar et al, 1965), increased temperature of tlS~feproductive tract (Burfening and Ulberg, 1968;Gwazdauskas et 2 Dairy Science Department2 3 Obstetrics and Gynecology Department. 4 D. Caton is recipient of.…”