novel approaches to expression and detection of oestrus in dairy cows

novel approaches to expression and detection of oestrus in dairy cows novel approaches to expression and detection of oestrus in dairy cows

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cypionate in a presynchronized timed artificial insemination program for lactating dairy cattle. J. Dairy Sci., 85, 122-131. PAPE-ZAMBITO, D. A., MAGLIARO, A. L. & KENSINGER, R. S. (2007) Concentrations of 17β-Estradiol in Holstein Whole Milk. J. Dairy Sci., 90, 3308-3313. PECSOK, S. R., MCGILLIARD, M. L. & NEBEL, R. L. (1994) Conception Rates. 1. Derivation and Estimates for Effects of Estrus Detection on Cow Profitability. J. Dairy Sci., 77, 3008-3015. PERALTA, O. A., PEARSON, R. E. & NEBEL, R. L. (2005) Comparison of three estrus detection systems during summer in a large commercial dairy herd. Anim. Reprod. Sci., 87, 59-72. PERRY, R. C., CORAH, L. R., KIRACOFE, G. H., STEVENSON, J. S. & BEAL, W. E. (1991) Endocrine changes and ultrasonography of ovaries in suckled beef cows during resumption of postpartum estrous cycles. J. Anim. Sci., 69, 2548-2555. PETERS, A. & LAMMING, E. (1983) Hormone patterns and reproduction in cattle. In Practice, 5, 153-8. PETERSSON, K. J., BERGLUND, B., STRANDBERG, E., GUSTAFSSON, H., FLINT, A. P. F., WOOLLIAMS, J. A. & ROYAL, M. D. (2007) Genetic Analysis of Postpartum Measures of Luteal Activity in Dairy Cows. J. Dairy Sci., 90, 427-434. PFAFF, D. (2005) Hormone-driven mechanisms in the central nervous system facilitate the analysis of mammalian behaviours. J. Endocrinol., 184, 447-53. PFAFF, D. W., KOW, L. M., LOOSE, M. D. & FLANAGAN-CATO, L. M. (2008) Reverse engineering the lordosis behavior circuit. Horm. Behav., 54, 347-354. PHILIPSSON, J. & LINDHÉ, B. (2003) Experiences of including reproduction and health traits in Scandinavian dairy cattle breeding programmes. Livest. Prod. Sci., 83, 99-112. PHILLIPS, C. J. C. & SCHOFIELD, S. A. (1990) The Effect of Environment and Stage of the Estrous-Cycle on the Behavior of Dairy-Cows. Appl. Anim. Behav. Sci., 27, 21-31. PICCIONE, G., CAOLA, G. & REFINETTI, R. (2003) Daily and estrous rhythmicity of body temperature in domestic cattle. BMC Physiol., 3, 7. PLASSE, D., WARNICK, A. C. & KOGER, M. (1970) Reproductive Behavior of Bos Indicus Females in a Subtropical Environment. IV. Length of Estrous Cycle, duration of Estrus, Time of Ovulation, Fertilization and Embryo Survival in Grade Brahman Heifers. J. Anim. Sci., 30, 63-72. PRYCE, J. E., ROYAL, M. D., GARNSWORTHY, P. C. & MAO, I. L. (2004) Fertility in the high-producing dairy cow. Livest. Prod. Sci., 86, 125- 135. PURSLEY, J. R. & MARTINS, J. O. P. N. (2012) Impact of circulating concentrations of progesterone and antral age of the ovulatory follicle on fertility of high-producing lactating dairy cows. Reprod. Fert. Dev., 24, 267-271. PURSLEY, J. R., MEE, M. O. & WILTBANK, M. C. (1995) Synchronization of ovulation in dairy cows using PGF 2α and GnRH. Theriogenology, 44, 915-923. PURSLEY, R. J., SILCOX, R. W. & WILTBANK, M. C. (1998) Effect of Time of Artificial Insemination on Pregnancy Rates, Calving Rates, Pregnancy Loss, and Gender Ratio After Synchronization of Ovulation in Lactating Dairy Cows. J. Dairy Sci., 81, 2139-2144. RANASINGHE, R. M. S. B. K., NAKAO, T. & KOBAYASHI, A. (2009) Incidence of Error in Oestrus Detection Based on Secondary Oestrus 172

Signs in a 24-h Tie-Stalled Dairy Herd with Low Fertility. Reprod. Dom. Anim., 44, 643-646. RANASINGHE, R. M. S. B. K., NAKAO, T., YAMADA, K. & KOIKE, K. (2010) Silent ovulation, based on walking activity and milk progesterone concentrations, in Holstein cows housed in a free-stall barn. Theriogenology, 73, 942-949. REAMES, P. S., HATLER, T. B., HAYES, S. H., RAY, D. L. & SILVIA, W. J. (2010) Differential regulation of estrous behavior and luteinizing hormone secretion by estradiol-17beta in ovariectomized dairy cows. Theriogenology, 75, 233-40. REIMERS, T. J., SMITH, R. D. & NEWMAN, S. K. (1985) Management factors affecting reproductive performance of dairy cows in the northeastern United States. J. Dairy Sci., 68, 963-72. ROBINSON, R. S., FRAY, M. D., WATHES, D. C., LAMMING, G. E. & MANN, G. E. (2006) In vivo expression of interferon tau mRNA by the embryonic trophoblast and uterine concentrations of interferon tau protein during early pregnancy in the cow. Mol. Reprod. Dev., 73, 470-4. ROBINSON, R. S., MANN, G. E., LAMMING, G. E. & WATHES, D. C. (1999) The effect of pregnancy on the expression of uterine oxytocin, oestrogen and progesterone receptors during early pregnancy in the cow. J Endocrinol, 160, 21-33. ROBINSON, R. S., MANN, G. E., LAMMING, G. E. & WATHES, D. C. (2001) Expression of oxytocin, oestrogen and progesterone receptors in uterine biopsy samples throughout the oestrous cycle and early pregnancy in cows. Reproduction, 122, 965-79. ROCHA, A., ROCHA, S. & CARVALHEIRA, J. (2001) Reproductive Parameters and Efficiency of Inseminators in Dairy Farms in Portugal. Reprod. Dom. Anim., 36, 319-324. ROCHE, J., PRENDIVILLE, D. & DAVIS, W. (1977) Calving rate following fixed time insemination after a 12-day progesterone treatment in dairy cows, beef cows and heifers. Vet. Rec., 101, 417-419. ROCHE, J. F. (1976) Fertility in cows after treatment with a prostaglandin analogue with or without progesterone. J. Reprod. Fert., 46, 341- 345. ROCHE, J. F. (2006) The effect of nutritional management of the dairy cow on reproductive efficiency. Anim. Reprod. Sci., 96, 282-96. RODRIGUEZ-MARTINEZ, H., HULTGREN, J., BÅGE, R., BERGQVIST, A., SVENSSON, C., BERGSTEN, C., LIDFORS, L., GUNNARSSON, S., ALGERS, B. & EMANUELSON, U. (2008) Reproductive performance in high-producing dairy cows: can we sustain it under current practice. IVIS Reviews in Veterinary Medicine. ROELOFS, J., LOPEZ-GATIUS, F., HUNTER, R. H., VAN EERDENBURG, F. J. & HANZEN, C. (2010) When is a cow in estrus? Clinical and practical aspects. Theriogenology, 74, 327-44. ROELOFS, J. B., GRAAT, E. A., MULLAART, E., SOEDE, N. M., VOSKAMP- HARKEMA, W. & KEMP, B. (2006) Effects of insemination-ovulation interval on fertilization rates and embryo characteristics in dairy cattle. Theriogenology, 66, 2173-81. ROELOFS, J. B., VAN EERDENBURG, F. J. C. M., SOEDE, N. M. & KEMP, B. (2005) Various behavioral signs of estrous and their relationship with time of ovulation in dairy cattle. Theriogenology, 63, 1366- 1377. RORIE, R. W., BILBY, T. R. & LESTER, T. D. (2002) Application of electronic estrus detection technologies to reproductive management of cattle. Theriogenology, 57, 137-48. 173

cypionate <strong>in</strong> a presynchronized timed artificial <strong>in</strong>sem<strong>in</strong>ation program<br />

for lactat<strong>in</strong>g <strong>dairy</strong> cattle. J. Dairy Sci., 85, 122-131.<br />

PAPE-ZAMBITO, D. A., MAGLIARO, A. L. & KENSINGER, R. S. (2007)<br />

Concentrations <strong>of</strong> 17β-Estradiol <strong>in</strong> Holste<strong>in</strong> Whole Milk. J. Dairy Sci.,<br />

90, 3308-3313.<br />

PECSOK, S. R., MCGILLIARD, M. L. & NEBEL, R. L. (1994) Conception<br />

Rates. 1. Derivation <strong>and</strong> Estimates for Effects <strong>of</strong> Estrus Detection on<br />

Cow Pr<strong>of</strong>itability. J. Dairy Sci., 77, 3008-3015.<br />

PERALTA, O. A., PEARSON, R. E. & NEBEL, R. L. (2005) Comparison <strong>of</strong><br />

three estrus <strong>detection</strong> systems dur<strong>in</strong>g summer <strong>in</strong> a large<br />

commercial <strong>dairy</strong> herd. Anim. Reprod. Sci., 87, 59-72.<br />

PERRY, R. C., CORAH, L. R., KIRACOFE, G. H., STEVENSON, J. S. & BEAL,<br />

W. E. (1991) Endocr<strong>in</strong>e changes <strong>and</strong> ultrasonography <strong>of</strong> ovaries <strong>in</strong><br />

suckled beef <strong>cows</strong> dur<strong>in</strong>g resumption <strong>of</strong> postpartum estrous cycles.<br />

J. Anim. Sci., 69, 2548-2555.<br />

PETERS, A. & LAMMING, E. (1983) Hormone patterns <strong>and</strong> reproduction <strong>in</strong><br />

cattle. In Practice, 5, 153-8.<br />

PETERSSON, K. J., BERGLUND, B., STRANDBERG, E., GUSTAFSSON, H.,<br />

FLINT, A. P. F., WOOLLIAMS, J. A. & ROYAL, M. D. (2007) Genetic<br />

Analysis <strong>of</strong> Postpartum Measures <strong>of</strong> Luteal Activity <strong>in</strong> Dairy Cows. J.<br />

Dairy Sci., 90, 427-434.<br />

PFAFF, D. (2005) Hormone-driven mechanisms <strong>in</strong> the central nervous<br />

system facilitate the analysis <strong>of</strong> mammalian behaviours. J.<br />

Endocr<strong>in</strong>ol., 184, 447-53.<br />

PFAFF, D. W., KOW, L. M., LOOSE, M. D. & FLANAGAN-CATO, L. M. (2008)<br />

Reverse eng<strong>in</strong>eer<strong>in</strong>g the lordosis behavior circuit. Horm. Behav.,<br />

54, 347-354.<br />

PHILIPSSON, J. & LINDHÉ, B. (2003) Experiences <strong>of</strong> <strong>in</strong>clud<strong>in</strong>g reproduction<br />

<strong>and</strong> health traits <strong>in</strong> Sc<strong>and</strong><strong>in</strong>avian <strong>dairy</strong> cattle breed<strong>in</strong>g programmes.<br />

Livest. Prod. Sci., 83, 99-112.<br />

PHILLIPS, C. J. C. & SCHOFIELD, S. A. (1990) The Effect <strong>of</strong> Environment<br />

<strong>and</strong> Stage <strong>of</strong> the Estrous-Cycle on the Behavior <strong>of</strong> Dairy-Cows. Appl.<br />

Anim. Behav. Sci., 27, 21-31.<br />

PICCIONE, G., CAOLA, G. & REFINETTI, R. (2003) Daily <strong>and</strong> estrous<br />

rhythmicity <strong>of</strong> body temperature <strong>in</strong> domestic cattle. BMC Physiol., 3,<br />

7.<br />

PLASSE, D., WARNICK, A. C. & KOGER, M. (1970) Reproductive Behavior <strong>of</strong><br />

Bos Indicus Females <strong>in</strong> a Subtropical Environment. IV. Length <strong>of</strong><br />

Estrous Cycle, duration <strong>of</strong> Estrus, Time <strong>of</strong> Ovulation, Fertilization<br />

<strong>and</strong> Embryo Survival <strong>in</strong> Grade Brahman Heifers. J. Anim. Sci., 30,<br />

63-72.<br />

PRYCE, J. E., ROYAL, M. D., GARNSWORTHY, P. C. & MAO, I. L. (2004)<br />

Fertility <strong>in</strong> the high-produc<strong>in</strong>g <strong>dairy</strong> cow. Livest. Prod. Sci., 86, 125-<br />

135.<br />

PURSLEY, J. R. & MARTINS, J. O. P. N. (2012) Impact <strong>of</strong> circulat<strong>in</strong>g<br />

concentrations <strong>of</strong> progesterone <strong>and</strong> antral age <strong>of</strong> the ovula<strong>to</strong>ry<br />

follicle on fertility <strong>of</strong> high-produc<strong>in</strong>g lactat<strong>in</strong>g <strong>dairy</strong> <strong>cows</strong>. Reprod.<br />

Fert. Dev., 24, 267-271.<br />

PURSLEY, J. R., MEE, M. O. & WILTBANK, M. C. (1995) Synchronization <strong>of</strong><br />

ovulation <strong>in</strong> <strong>dairy</strong> <strong>cows</strong> us<strong>in</strong>g PGF 2α <strong>and</strong> GnRH. Theriogenology, 44,<br />

915-923.<br />

PURSLEY, R. J., SILCOX, R. W. & WILTBANK, M. C. (1998) Effect <strong>of</strong> Time <strong>of</strong><br />

Artificial Insem<strong>in</strong>ation on Pregnancy Rates, Calv<strong>in</strong>g Rates,<br />

Pregnancy Loss, <strong>and</strong> Gender Ratio After Synchronization <strong>of</strong><br />

Ovulation <strong>in</strong> Lactat<strong>in</strong>g Dairy Cows. J. Dairy Sci., 81, 2139-2144.<br />

RANASINGHE, R. M. S. B. K., NAKAO, T. & KOBAYASHI, A. (2009)<br />

Incidence <strong>of</strong> Error <strong>in</strong> Oestrus Detection Based on Secondary Oestrus<br />

172

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