Detalles de la búsqueda
1.
Calving intervals in beef cows at 2, 3, and 4 years of age when breeding is not restricted after calving.
J Anim Sci
; 74(3): 593-6, 1996 Mar.
Artículo
en Inglés
| MEDLINE | ID: mdl-8707715
2.
Distribution of time to first postpartum estrus in beef cattle.
J Anim Sci
; 69(6): 2563-70, 1991 Jun.
Artículo
en Inglés
| MEDLINE | ID: mdl-1885371
3.
Relationship between circulating progesterone and conception at the first postpartum estrus in young primiparous beef cows.
J Anim Sci
; 74(3): 616-9, 1996 Mar.
Artículo
en Inglés
| MEDLINE | ID: mdl-8707719
4.
Use of a simulation model to evaluate the influence of reproductive performance and management decisions on net income in beef production.
J Anim Sci
; 69(12): 4710-21, 1991 Dec.
Artículo
en Inglés
| MEDLINE | ID: mdl-1808168
5.
Environmental effects on neonatal mortality of beef calves.
J Anim Sci
; 71(2): 282-90, 1993 Feb.
Artículo
en Inglés
| MEDLINE | ID: mdl-8440645
6.
Yearling bulls shorten the duration of postpartum anestrus in beef cows to the same extent as do mature bulls.
J Anim Sci
; 71(2): 306-9, 1993 Feb.
Artículo
en Inglés
| MEDLINE | ID: mdl-8440648
7.
Influence of growth rate and exposure to bulls on age at puberty in beef heifers.
J Anim Sci
; 69(5): 2092-8, 1991 May.
Artículo
en Inglés
| MEDLINE | ID: mdl-2066319
8.
Rapid communication: melanocyte stimulating hormone receptor (MC1R) maps to bovine chromosome 18.
J Anim Sci
; 74(1): 262, 1996 Jan.
Artículo
en Inglés
| MEDLINE | ID: mdl-8778108
9.
Rapid communication: bovine dinucleotide repeat polymorphisms ABS010, ABS011, ABS012, ABS013, and ABS014.
J Anim Sci
; 73(10): 3189, 1995 Oct.
Artículo
en Inglés
| MEDLINE | ID: mdl-8617692
10.
The proximal 350 bp of 5'-flanking sequence of the human α-subunit glycoprotein hormone gene functions in the pituitary gland, but not the placenta, in transgenic mice.
Endocrine
; 5(3): 257-63, 1996 Dec.
Artículo
en Inglés
| MEDLINE | ID: mdl-21153076
11.
Exogenous progesterone and progestins as used in estrous synchrony regimens do not mimic the corpus luteum in regulation of luteinizing hormone and 17 beta-estradiol in circulation of cows.
Biol Reprod
; 47(6): 1009-17, 1992 Dec.
Artículo
en Inglés
| MEDLINE | ID: mdl-1493164
12.
Circulating gonadotrophins during a period of restricted energy intake in relation to body condition in heifers.
J Reprod Fertil
; 96(2): 461-9, 1992 Nov.
Artículo
en Inglés
| MEDLINE | ID: mdl-1339828
13.
Effects of 17 beta-estradiol on distribution of pituitary isoforms of luteinizing hormone and follicle-stimulating hormone during the follicular phase of the bovine estrous cycle.
Biol Reprod
; 52(2): 297-304, 1995 Feb.
Artículo
en Inglés
| MEDLINE | ID: mdl-7711199
14.
Melengestrol acetate at greater doses than typically used for estrous synchrony in bovine females does not mimic endogenous progesterone in regulation of secretion of luteinizing hormone and 17 beta-estradiol.
Biol Reprod
; 52(2): 455-63, 1995 Feb.
Artículo
en Inglés
| MEDLINE | ID: mdl-7711214
15.
Steady-state amounts of alpha- and luteinizing hormone (LH) beta-subunit messenger ribonucleic acids are uncoupled from pulsatility of LH secretion during sexual maturation of the heifer.
Biol Reprod
; 46(3): 435-41, 1992 Mar.
Artículo
en Inglés
| MEDLINE | ID: mdl-1377511
16.
Increasing exogenous progesterone during synchronization of estrus decreases endogenous 17 beta-estradiol and increases conception in cows.
Biol Reprod
; 49(2): 214-20, 1993 Aug.
Artículo
en Inglés
| MEDLINE | ID: mdl-8373944
17.
Increasing concentrations of 17 beta-estradiol has differential effects on secretion of luteinizing hormone and follicle-stimulating hormone and amounts of mRNA for gonadotropin subunits during the follicular phase of the bovine estrous cycle.
Biol Reprod
; 52(2): 288-96, 1995 Feb.
Artículo
en Inglés
| MEDLINE | ID: mdl-7536049
18.
A similar distribution of gonadotropin isohormones is maintained in the pituitary throughout sexual maturation in the heifer.
Biol Reprod
; 46(3): 442-50, 1992 Mar.
Artículo
en Inglés
| MEDLINE | ID: mdl-1617017
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