Factors affecting pregnancy loss for single and twin pregnancies in a high-producing dairy herd.

[1]  J. Sulon,et al.  Factors affecting plasma progesterone in the early fetal period in high producing dairy cows. , 2008, Theriogenology.

[2]  Z. Abonyi-Tóth,et al.  Factors influencing pregnancy rate and late embryonic loss in dairy cattle. , 2007, Reproduction in domestic animals = Zuchthygiene.

[3]  R. Cushman,et al.  Effects of ovulation rate and fetal number on fertility in twin-producing cattle. , 2007, Journal of animal science.

[4]  R. Cushman,et al.  Increased calf production in cattle selected for twin ovulations. , 2007, Journal of animal science.

[5]  G. Mann,et al.  Corpus luteum size and function following single and double ovulations in non-lactating dairy cows. , 2007, Theriogenology.

[6]  Y. Chang,et al.  An observational analysis of twin births, calf sex ratio, and calf mortality in Holstein dairy cattle. , 2007, Journal of dairy science.

[7]  D. Kraemer,et al.  Early pregnancy diagnosis by palpation per rectum: influence on embryo/fetal viability in dairy cattle. , 2007, Theriogenology.

[8]  P. Fricke,et al.  Observed frequency of monozygotic twinning in Holstein dairy cattle. , 2006, Theriogenology.

[9]  C. Nogareda,et al.  Relationship between heat stress during the peri-implantation period and early fetal loss in dairy cattle. , 2006, Theriogenology.

[10]  J. Dalton,et al.  Time and incidence of ovulation and conception rates after incorporating estradiol cypionate into a timed artificial insemination protocol. , 2006, Journal of dairy science.

[11]  C. Ponsart,et al.  Genetic and environmental factors influencing first service conception rate and late embryonic/foetal mortality in low fertility dairy herds. , 2006, Animal reproduction science.

[12]  M. Wiltbank,et al.  Relationship between level of milk production and multiple ovulations in lactating dairy cows. , 2005, Journal of dairy science.

[13]  H. Lopez,et al.  Reproductive Hormones and Follicular Growth During Development of One or Multiple Dominant Follicles in Cattle1 , 2005, Biology of reproduction.

[14]  F. López-Gatius,et al.  Ovulation failure and double ovulation in dairy cattle: risk factors and effects. , 2005, Theriogenology.

[15]  F. López-Gatius,et al.  Spontaneous reduction of advanced twin embryos: its occurrence and clinical relevance in dairy cattle. , 2005, Theriogenology.

[16]  F. López-Gatius,et al.  Timing of early foetal loss for single and twin pregnancies in dairy cattle. , 2004, Reproduction in domestic animals = Zuchthygiene.

[17]  J. Santos,et al.  Factors affecting conception rate after artificial insemination and pregnancy loss in lactating dairy cows. , 2004, Animal reproduction science.

[18]  E. Inskeep,et al.  Factors affecting retention of early pregnancy in dairy cattle. , 2004, Animal reproduction science.

[19]  J. Santos,et al.  The effect of embryonic death rates in cattle on the efficacy of estrus synchronization programs. , 2004, Animal reproduction science.

[20]  R. Cerri,et al.  Effect of timing of first clinical mastitis occurrence on lactational and reproductive performance of Holstein dairy cows. , 2004, Animal reproduction science.

[21]  J. Mee,et al.  Extent, pattern and factors associated with late embryonic loss in dairy cows. , 2002, Animal reproduction science.

[22]  J. Rutllant,et al.  Factors affecting pregnancy loss from gestation Day 38 to 90 in lactating dairy cows from a single herd. , 2002, Theriogenology.

[23]  K. Gregory,et al.  Reproductive, growth, feedlot, and carcass traits of twin vs single births in cattle , 2002 .

[24]  G. Steinman,et al.  Mechanisms of twinning. III. Placentation, calcium reduction and modified compaction. , 2001, The Journal of reproductive medicine.

[25]  M. Lucy,et al.  Reproductive loss in high-producing dairy cattle: where will it end? , 2001, Journal of dairy science.

[26]  H. H. Dowlen,et al.  Influence of subclinical mastitis during early lactation on reproductive parameters. , 2001, Journal of dairy science.

[27]  J. Stevenson,et al.  An alternative AI breeding protocol for dairy cows exposed to elevated ambient temperatures before or after calving or both. , 2001, Journal of dairy science.

[28]  A. Byskov,et al.  Right-sided ovulation favours pregnancy more than left-sided ovulation. , 2000, Human reproduction.

[29]  John Woolliams,et al.  Declining fertility in dairy cattle: changes in traditional and endocrine parameters of fertility. , 2000 .

[30]  M. Wiltbank,et al.  Effect of milk production on the incidence of double ovulation in dairy cows. , 1999, Theriogenology.

[31]  W. Mcmillan.  Statistical models predicting embryo survival to term in cattle after embryo transfer. , 1998, Theriogenology.

[32]  P. Berger,et al.  Genetic and phenotypic parameters for 305-day yield, fertility, and survival in Holsteins. , 1998, Journal of dairy science.

[33]  W. Marsh,et al.  Risk factors for twinning in dairy cows. , 1998, Journal of dairy science.

[34]  F. López-Gatius.  Transuterine sperm transport is not affected by bilateral asymmetry of the reproductive system in dairy cows. , 1997, Theriogenology.

[35]  J. Rutllant,et al.  Effect of reproductive disorders previous to conception on pregnancy attrition in dairy cows. , 1996, Theriogenology.

[36]  M. Wiltbank,et al.  Synchronization of ovulation in dairy cows using PGF2α and GnRH , 1995 .

[37]  C. Franti,et al.  Twin pregnancy diagnosis in Holstein cows: discriminatory powers and accuracy of diagnosis by transrectal palpation and outcome of twin pregnancies. , 1995, The Canadian veterinary journal = La revue veterinaire canadienne.

[38]  M. Nielen,et al.  The economics of naturally occurring twinning in dairy cattle. , 1992, Journal of dairy science.

[39]  R. Eddy,et al.  An economic assessment of twin births in British dairy herds , 1991, Veterinary Record.

[40]  M. Boland,et al.  Resumption of follicular activity in the early post-partum period of dairy cows. , 1990, Journal of reproduction and fertility.

[41]  M. Thurmond,et al.  A surveillance system for bovine abortion. , 1990 .

[42]  M. Nielen,et al.  Twinning in dairy cattle: A study of risk factors and effects. , 1989, Theriogenology.

[43]  P. Oltenacu,et al.  Case-referent study of cystic ovaries as a risk indicator for twin calvings in dairy cows. , 1989, Theriogenology.

[44]  R. Domínguez,et al.  Differences in the ovulation rate of the right or left ovary in unilaterally ovariectomized rats: effect of ipsi- and contralateral vagus nerves on the remaining ovary. , 1987, The Journal of endocrinology.

[45]  A. P. Labhsetwar,et al.  Analysis of Variation in Some Factors Affecting Multiple Ovulations in Holstein Cattle , 1963 .

[46]  R. Erb,et al.  Effects of Twinning on Reproductive Efficiency in a Holstein-Friesian Herd , 1959 .