Comparison of the pregnancy rates and costs per calf born after fixed-time artificial insemination or artificial insemination after estrus detection in Bos indicus heifers.

[1]  M. McGowan,et al.  Potential economic return from use of fixed-time artificial insemination as part of a genetic improvement programme , 2013 .

[2]  R. Mapletoft,et al.  Prostaglandin F2α promotes ovulation in prepubertal heifers. , 2012, Theriogenology.

[3]  M. McGowan,et al.  Pregnancy rates after fixed-time artificial insemination of Brahman heifers treated to synchronize ovulation with low-dose intravaginal progesterone releasing devices, with or without eCG. , 2011, Theriogenology.

[4]  M. McGowan,et al.  Ovarian responses in Bos indicus heifers treated to synchronise ovulation with intravaginal progesterone releasing devices, oestradiol benzoate, prostaglandin F(2α) and equine chorionic gonadotrophin. , 2010, Animal reproduction science.

[5]  C. Risco,et al.  Economic comparison of natural service and timed artificial insemination breeding programs in dairy cattle. , 2010, Journal of dairy science.

[6]  M. Ellersieck,et al.  Comparison of controlled internal drug release insert-based protocols to synchronize estrus in prepubertal and estrous-cycling beef heifers. , 2009, Journal of animal science.

[7]  N. Corbet,et al.  Genetics of heifer puberty in two tropical beef genotypes in northern Australia and associations with heifer- and steer-production traits , 2009 .

[8]  P. Thompson,et al.  The value of reproductive tract scoring as a predictor of fertility and production outcomes in beef heifers. , 2009, Journal of animal science.

[9]  B. Polat,et al.  Stimulation of delayed puberty in heifers by using a PRID regime , 2009 .

[10]  M. Ellersieck,et al.  Comparison of protocols to synchronize estrus and ovulation in estrous-cycling and prepubertal beef heifers. , 2008, Journal of animal science.

[11]  G. Griffith,et al.  Where to from Brahmans in the Northern Australian herd? Maintaining the economic benefit of earlier infusions of Bos indicus. , 2003 .

[12]  G. Gabai,et al.  Ultrasonographic appearance of tissue is a better indicator of CL function than CL diameter measurement in dairy cows. , 2002, Theriogenology.

[13]  M. Sheldon,et al.  Pregnancy diagnosis in cattle , 1985, In Practice.

[14]  P. O’Rourke,et al.  A comparison of once- and twice-yearly weaning of an extensive herd in northern Australia 2. Progeny growth and heifer productivity , 1997 .

[15]  P. O’Rourke,et al.  A comparison of once- and twice-yearly weaning of an extensive herd in northern Australia: 1. Cow liveweights, mortalities and fertility , 1997 .

[16]  P. Chenoweth.  Aspects of reproduction in female Bos indicus cattle: a review. , 1994, Australian veterinary journal.

[17]  J. S. Brinks,et al.  The use of reproductive tract scoring in beef heifers. , 1991 .

[18]  R. Pierson,et al.  Ultrasonic morphology of corpora lutea and central luteal cavities during the estrous cycle and early pregnancy in heifers. , 1990, Theriogenology.

[19]  J. Roche,et al.  Puberty in heifers: A Review , 1989 .

[20]  E. Inskeep,et al.  Source of progesterone prior to puberty in beef heifers. , 1979, Journal of animal science.