Hot topic: Successful fixed-time insemination within 21 d after first insemination by combining chemical pregnancy diagnosis on d 18 with a rapid resynchronization program

Journal of Dairy Science

Volumn 93, Issue 12, 2010, Pages 5668-5672

  Green, J C ^a   Okamura, C S ^a   Mathew, D J ^a   Newsom, E M ^a   Lucy, M C ^a  

^a UNIVERSITY OF MISSOURI   (United States)

Author keywords

Heifer; Oas1; Pregnancy; Resynchronization

Indexed keywords

2',5' OLIGOADENYLATE SYNTHETASE; PROGESTERONE;

ANIMAL; ANIMAL DISEASE; ARTICLE; ARTIFICIAL INSEMINATION; BLOOD; CATTLE; CLINICAL TRIAL; CONTROLLED CLINICAL TRIAL; CONTROLLED STUDY; ESTRUS CYCLE; FEMALE; METABOLISM; METHODOLOGY; PHYSIOLOGY; PREGNANCY; PREGNANCY TEST; RANDOMIZED CONTROLLED TRIAL; TIME;

2',5'-OLIGOADENYLATE SYNTHETASE; ANIMALS; CATTLE; ESTRUS SYNCHRONIZATION; FEMALE; INSEMINATION, ARTIFICIAL; PREGNANCY; PREGNANCY TESTS; PROGESTERONE; TIME FACTORS;

BOS;

EID: 78649303338     PISSN: 00220302     EISSN: 15253198     Source Type: Journal    
DOI: 10.3168/jds.2010-3395     Document Type: Article

References (9)

1. De Vries A. Economic value of a marginal increase in pregnancy rate in dairy cattle. J. Dairy Sci. 2007, 90(Suppl. 1):423. (Abstr.).
2. Fricke P.M., Caraviello D.Z., Weigel K.A., Welle M.L. Fertility of dairy cows after resynchronization of ovulation at three intervals following first timed insemination. J. Dairy Sci. 2003, 86:3941-3950.
3. Gifford C.A., Racicot K., Clark D.S., Austin K.J., Hansen T.R., Lucy M.C., Davies C.J., Ott T.L. Regulation of interferon-stimulated genes in peripheral blood leukocytes in pregnant and bred, nonpregnant dairy cows. J. Dairy Sci. 2007, 90:274-280.
4. Green J.C., Okamura C.S., Poock S.E., Lucy M.C. Measurement of interferon-tau (IFN-tau) stimulated gene expression in blood leukocytes for pregnancy diagnosis within 18-20d after insemination in dairy cattle. Anim. Reprod. Sci. 2010, 121:24-33.
5. Kirby C.J., Smith M.F., Keisler D.H., Lucy M.C. Follicular function in lactating dairy cows treated with sustained-release bovine somatotropin. J. Dairy Sci. 1997, 80:273-285.
6. 2α on pregnancy and estrous cycles of cattle. J. Anim. Sci. 1972, 35:246. (Abstr.).
7. Leitman N.R., Busch D.C., Wilson D.J., Mallory D.A., Ellersieck M.R., Smith M.F., Patterson D.J. Comparison of controlled internal drug release insert-based protocols to synchronize estrus in prepubertal and estrous-cycling beef heifers. J. Anim. Sci. 2009, 87:3976-3982.
8. Lucy M.C. The bovine dominant ovarian follicle. J. Anim. Sci. 2007, 85(E. Suppl.):E89-E99.
9. Lucy M.C., McDougall S., Nation D.P. The use of hormonal treatments to improve the reproductive performance of lactating dairy cows in feedlot or pasture-based management systems. Anim. Reprod. Sci. 2004, 82-83:495-512.