Detalles de la búsqueda
1.
Effects of zinc source and dietary concentration on serum zinc concentrations, growth performance, wool and reproductive characteristics in developing rams.
Animal
; 14(3): 520-528, 2020 Mar.
Artículo
en Inglés
| MEDLINE | ID: mdl-31588886
2.
Intensity of the biostimulatory effect of bulls on resumption of ovulatory activity in primiparous, suckled, beef cows.
Anim Reprod Sci
; 99(1-2): 24-33, 2007 May.
Artículo
en Inglés
| MEDLINE | ID: mdl-16713140
3.
Comparison of controlled internal drug release device and melengesterol acetate as progestin sources in an estrous synchronization protocol for beef heifers.
Theriogenology
; 68(2): 162-7, 2007 Jul 15.
Artículo
en Inglés
| MEDLINE | ID: mdl-17543378
4.
Postpartum resumption of ovarian cycling activity in first-calf suckled beef cows exposed to familiar or unfamiliar bulls.
Anim Reprod Sci
; 90(3-4): 201-9, 2005 Dec.
Artículo
en Inglés
| MEDLINE | ID: mdl-16298271
5.
Temporal concentrations of cortisol and LH in virgin ewes acutely exposed to rams during the transition into the breeding season.
Anim Reprod Sci
; 154: 25-8, 2015 Mar.
Artículo
en Inglés
| MEDLINE | ID: mdl-25660621
6.
Prolactin secretion after hypophysial stalk transection in pigs.
Endocrinology
; 111(2): 380-4, 1982 Aug.
Artículo
en Inglés
| MEDLINE | ID: mdl-7094875
7.
Luteinizing hormone secretion as affected by hypophyseal stalk transection and estradiol-17beta in ovariectomized gilts.
Anim Reprod Sci
; 63(3-4): 255-74, 2000 Nov 01.
Artículo
en Inglés
| MEDLINE | ID: mdl-10989235
8.
Effect of prostaglandin F2alpha dosage and stage of estrous cycle on the estrous response and corpus luteum function in beef heifers.
Theriogenology
; 32(2): 301-14, 1989 Aug.
Artículo
en Inglés
| MEDLINE | ID: mdl-16726676
9.
The time required for the presence of bulls to alter the interval from parturition to resumption of ovarian activity and reproductive performance in first-calf suckled beef cows.
Theriogenology
; 39(2): 411-9, 1993 Feb.
Artículo
en Inglés
| MEDLINE | ID: mdl-16727221
10.
Estrus synchronization systems involving prostaglandin F(2alpha) and progesterone pretreatment in beef heifers.
Theriogenology
; 25(2): 249-61, 1986 Feb.
Artículo
en Inglés
| MEDLINE | ID: mdl-16726116
11.
Cortisol and prolactin concentrations during three different seasons in relocated Brahman and Hereford bulls.
Theriogenology
; 37(3): 641-54, 1992 Mar.
Artículo
en Inglés
| MEDLINE | ID: mdl-16727066
12.
Gross anatomical and histomorphometric characteristics of the oviduct and uterus during the pubertal transition in sheep.
J Anim Sci
; 79(1): 167-75, 2001 Jan.
Artículo
en Inglés
| MEDLINE | ID: mdl-11204697
13.
Effect of feed treatment and exogenous estrogen and progestogen on puberty and lambing rates in ewe lambs.
J Anim Sci
; 63(6): 1717-21, 1986 Dec.
Artículo
en Inglés
| MEDLINE | ID: mdl-3029006
14.
Ram mating behavior after long-term selection for reproductive rate in Rambouillet ewes.
J Anim Sci
; 80(10): 2588-93, 2002 Oct.
Artículo
en Inglés
| MEDLINE | ID: mdl-12413080
15.
Effect of excess degradable intake protein on early embryonic development, ovarian steroids, and blood urea nitrogen on days 2, 3, 4, and 5 of the estrous cycle in mature ewes.
J Anim Sci
; 79(1): 193-9, 2001 Jan.
Artículo
en Inglés
| MEDLINE | ID: mdl-11204701
16.
Sperm transport and distribution during the puberal transition in ewe lambs.
J Anim Sci
; 71(3): 707-13, 1993 Mar.
Artículo
en Inglés
| MEDLINE | ID: mdl-8463158
17.
Acute and chronic changes in luteinizing hormone secretion and postpartum interval to estrus in first-calf suckled beef cows exposed continuously or intermittently to mature bulls.
J Anim Sci
; 74(5): 1098-103, 1996 May.
Artículo
en Inglés
| MEDLINE | ID: mdl-8726743
18.
Pregnancy rates of beef heifers bred either on puberal or third estrus.
J Anim Sci
; 65(3): 645-50, 1987 Sep.
Artículo
en Inglés
| MEDLINE | ID: mdl-3667429
19.
Influence of biostimulation by mature bulls on occurrence of puberty in beef heifers.
J Anim Sci
; 64(6): 1601-5, 1987 Jun.
Artículo
en Inglés
| MEDLINE | ID: mdl-3597174
20.
Progesterone concentrations in beef heifers bred at puberty or third estrus.
J Anim Sci
; 65(6): 1571-5, 1987 Dec.
Artículo
en Inglés
| MEDLINE | ID: mdl-3443576