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References
|
Abdallah H, El Rahim AA (2014). Efficiency of Previously used CIDR Stored for a Prolonged Period. Adv. Anim. Vet. Sci. 2 (9):508-515. |
|
|
Banos G, Wall E, Coffey MP, Bagnall A, Gillespie S, Russell GC, McNeilly TN (2013). Identification of Immune Traits Correlated with Dairy Cow Health, Reproduction and Productivity. Plos One 8(6):e65766. |
|
|
Barbosa CF, Jacomini JO, Diniz EG, Santos RM, Tavares M (2011). Inseminação artificial em tempo fixo e diagnóstico precoce de gestação em vacas leiteiras mestiças. Rev. Bras. Zootec. 40(1):79-84. |
|
|
Binelli M, Machado R, Bergamaschi MACM, Bertan CM (2009). Manipulation of ovarina and uterine function to increase conception rates in cattle. Anim. Reprod. 6(1):125-134. |
|
|
Bisinotto RS, Ribeiro ES, Lima FS, Martinez N, Greco LF, Barbosa LFSP, Bueno PP, Scagion LFS, Thatcher WW, Santos JEP (2013). Targeted progesterone supplementation improves fertility in lactating dairy cows without a corpus luteum at the initiation of the timed artificial insemination protocol. J. Dairy Sci. 96:2214-2225. |
|
|
Ferguson JD, Galligan DT, Thomsen N (1994). Principal Descriptors of Body Condition Score in Holstein Cows. J. Dairy Sci. 77:2695-2703. |
|
|
García-Ispierto I, López-Gatius F, Bech-Sabat G., Santolaria P, Yániz JL, Nogareda C, De Rensis F, López-Béjar M (2007). Climate factors affecting conception rate of high producing dairy cows in northeastern Spain. Theriogenology 67:1379-1385. |
|
|
Guido SI, Guido FCL, Nascimento Filho EV, Freitas Neto LM, Alves JDR, Evêncio Neto J, Lima PF, Oliveira MAL (2008). Avaliação de protocolos hormonais para inseminar cabras em tempo fixo. Med. Vet. 2(3):13-18. |
|
|
Hansen PJ (2002). Embryonic mortality in cattle from the embryo's perspective. J. Anim. Sci. 80(E. Suppl. 2):E33-E44. |
|
|
Leonhardt SA, Edwards DP (2002). Mechanism of action of progesterone antagonists. Exp. Biol. Med. 227:969-980. |
|
|
Lucy MC (2001). Reproductive loss in hight-producing dairy cattle: where will it end? J. Dairy Sci. 84:1277-1293. |
|
|
Mader TL, Davis MS, Brown-Brandl T (2006). Environmental factors influencing heat stress in feedlot cattle. J. Anim. Sci. 84(3):712-719. |
|
|
Mann GE, Lamming GE (2001). Relationship between maternal endocrine environment, early embryo development and inhibition of the luteolytic mechanism in cows. Reproduction 121:175-180. |
|
|
Mapletoft RJ, Bó GA, Baruselli PS (2009). Control of ovarian function for assisted reproductive technologies in cattle. Anim. Reprod. 6(1):114-124. |
|
|
Mendonça LG, Dewey ST, Lopes G Jr, Rivera FA, Guagnini FS, Fetrow JP, BilbyTR, Chebel RC (2012). Effects of resynchronization strategies for lactating Holsten cows on pattern of reinsemination, fertility, and economic outcome. Theriogenology 77(6):1151-1158. |
|
|
National Research Council - NRC. Nutrient requeriments of dairy cattle. 7.rev.ed. Washington, D.C.: 2001. 381p. |
|
|
R Core Team (2014). R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. |
|
|
Rocha JM, Rabelo MC, Santos MHB, Machado PP, Bartolomeu CC, Neves JP, Lima PF, Oliveira MAL (2007). IATF em vacas Nelore: Avaliação de duas doses de eCG e reutilização de implantes intravaginais de progesterona. Med. Vet. 1(1):40-47. |
|
|
Sangsritavong S, Combs DK, Sartori R, Wiltbank MC (2002). High feed intake increases blood flow and metabolism of progesterone and estradiol-17ß in dairy cattle. J. Dairy Sci. 85(11):2831-2842. |
|
|
Wheelock JB, Rhoads RP, Van Baale MJ, Sanders SR, Baumgard LH (2010). Effects of heat stress energetic metabolism in lactating Holstein cows. J. Dairy Sci. 93(2):644-655. |
|
|
Zuluaga JF, Williams GL (2008). High-pressure steam sterilization of previously used CIDR inserts enhances the magnitude of the acute increase in circulating progesterone after insertion in cows. Anim. Reprod. Sci. 107:30-35. |
|
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