참고문헌
- Bo GA, Adams GP, Pierson RA, Mapletoft RJ (1995): Exogenous control of follicular wave emergence in cattle. Theriogenology 43:31-40 https://doi.org/10.1016/0093-691X(94)00010-R
- Burke JM, Hampton JH, Staples CR, Thather WW (1998): Body condition influences maintenance of a persistent first wave dominant follicle in dairy cattle. Theriogenology 49:751-760 https://doi.org/10.1016/S0093-691X(98)00024-7
- Domeeq JJ, Skidmore AL, Lloyd JW, Kaneene JB (1997): Relationship between body condition scores and conception at first artificial insemination in a large dairy herd of high yielding Holstein cows. J Dairy Sci 80:113-120 https://doi.org/10.3168/jds.S0022-0302(97)75918-6
- Edmonson AJ, Lean IJ, Weaver LD, Farver L, Webster G (1989): A body condition scoring chart for Holstein dairy cows. J Dairy Sci 72:68-78 https://doi.org/10.3168/jds.S0022-0302(89)79081-0
- Figueiredo RA, Barros CM, Pinheiro OL, Soler JMP (1997): Ovarian follicular dynamics in nelore breed (Bos indicus) cattle. Therigenology 47:1489-1505 https://doi.org/10.1016/S0093-691X(97)00156-8
- Lopez-Gatius F, Murugavel K, Santolaria P, Yániz J, Lopez-Bejar M (2003): Effect of presynchronization during the preservice period on subsequent ovarian activity in lactating dairy cows. Theriogenology 60:545-552 https://doi.org/10.1016/S0093-691X(03)00035-9
- Fortune JE, Sirois J, Quirk SM (1988): The growth and differentiation of ovarian follicles during the bovine estrous cycle. Theriogenology 29:95-109 https://doi.org/10.1016/0093-691X(88)90034-9
- Ginther OJ, Knof L, Kastelic JP (1989): Temporal association among ovarian events in cattle during oestrous cycles with two and three follicular waves. J Reprod Fert 87:223-230 https://doi.org/10.1530/jrf.0.0870223
- Kohram H, Twagiramungu H, Bousquct D, Durocher J, Guibault LA (1998): Ovarian superstimulation after follicular wave synchronization with GnRH at two different stages of the estrous cycle in cattle. Theriogenology 49:1175-1186 https://doi.org/10.1016/S0093-691X(98)00065-X
- Ireland JJ, Roche JF (1987): Hypotheses regarding development of dominant follicles during a bovine estrous cycle. In: Roche and O'Callaghan (eds), Follicular Growth and Ovulation Rate in Farm Animals, Dordrecht: Martinus Nijhoff Publishers, pp, 1-18
- Kahn, W (1990): Sonographic imaging of the bovine fetus. Theriogenology 33:385-396 https://doi.org/10.1016/0093-691X(90)90497-H
- Paker KI, Robertson DM, Groome NP, Macmillan KL (2003): Plasma concentrations of inhibin A and follicle-stimulating hormone differ between cows with two or three waves of ovarian follicular development in a single estrous cycle. Biol Reprod 68: 822-828 https://doi.org/10.1095/biolreprod.102.009159
- Sianangama PC, Rajamahendran R (1996): Effect of hCG administration on day 7 of the estrous cycle on follicular dynamics and cycle length in cows. Theriogenology 45:583-592 https://doi.org/10.1016/0093-691X(95)00405-W
- Chelikani PK, Ambrose JD, Kennelly JJ (2003): Effect of dietary energy and protein density on body composition, attainment of puberty and ovarian follicular dynamics in diary heifers. Theriogenology 60:707-725 https://doi.org/10.1016/S0093-691X(03)00088-8
- Sirois J, Fortune JE (1988): Ovarian follicular dynamics during the estrous cycle in heifers monitored by real-time ultrasonography. Biol Reprod 39: 308-317 https://doi.org/10.1095/biolreprod39.2.308
- SAS. SAS/STAT® User's Guide, Release 8.0 (2000): Cary, NC; SAS Institute Inc
- Spicer LJ, Echternkamp SE (1986): Ovarian follicular growth, function and turnover in cattle: a review. J Anim Sci 62:428-451 https://doi.org/10.2527/jas1986.622428x
- Suriyasathaporn W, Nielen M, Dieleman SJ, Brand A, Noordhuizen-Strasse EN, Schukken YH (1998): A coxproportional-hazards model with time-dependent covariates to evaluate the relationship between body condition score and the risks of first insemination and pregnancy in a high producing dairy herd. Prev Vet Med 37:159-172 https://doi.org/10.1016/S0167-5877(98)00100-7