A. M. Ledgard

AgResearch — New Zealand

Agricultural and Biological Sciences · Life Sciences

14h-index668citations28works0.02yr avg
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Research Topics

Reproductive Physiology in Livestock(19), Reproductive Biology and Fertility(18), Animal Genetics and Reproduction(5), Genetic and phenotypic traits in livestock(4), Reproductive System and Pregnancy(4)

Publications28 total

The first week following insemination is the period of major pregnancy failure in pasture-grazed dairy cows
Journal of Dairy Science·2022· 24 citedOpen Access
A mathematical model of in vivo bovine blastocyst developmental to gestational Day 15
Journal of Dairy Science·2018· 4 citedOpen Access
A mathematical model of the interaction between bovine blastocyst developmental stage and progesterone-stimulated uterine factors on differential embryonic development observed on Day 15 of gestation
Journal of Dairy Science·2017· 29 citedOpen Access
Influence of pathogenic bacteria species present in the postpartum bovine uterus on proteome profiles
Reproduction Fertility and Development·2013· 20 citedOpen Access
Effect of asynchronous transfer on bovine embryonic development and relationship with early cycle uterine proteome profiles
Reproduction Fertility and Development·2012· 42 cited
Evaluation of the uterine environment early in pregnancy establishment to characterise cows with a potentially superior ability to support conceptus survival
Reproduction Fertility and Development·2011· 24 citedOpen Access
Long-term alteration of follicular steroid concentrations in relation to subclinical endometritis in postpartum dairy cows1
Journal of Animal Science·2011· 43 cited
Prevalence and identification of systemic markers of sub-clinical endometritis in postpartum dairy cows.
2009· 21 cited
Dickkopf-1 Expression During Early Bovine Placentation and Its Down-regulation in Somatic Cell Nuclear Transfer (SCNT) Pregnancies
Journal of Reproduction and Development·2009· 13 citedOpen Access
Effects of sub-clinical endometritis on ovarian follicular activity in postpartum dairy cows.
2009· 1 cited
Differential Immunoglobulin (IgG) mRNA Expression in Bovine Endometrium of Superior Compared to Inferior Recipients.
Biology of Reproduction·2008· 1 cited
Dickkopf-1 Expression in Bovine Placental Tissues and Its Down-regulation in Clone Pregnancies.
Biology of Reproduction·2008
Bovine endometrial legumain and TIMP‐2 regulation in response to presence of a conceptus
Molecular Reproduction and Development·2008· 53 cited
Polyunsaturated fatty acids differentially alter PGF2α and PGE2 release from bovine trophoblast and endometrial tissues during short-term culture
Animal Reproduction Science·2008· 20 cited
Expression of genes associated with allantois emergence in ovine and bovine conceptuses
Molecular Reproduction and Development·2006· 7 cited
152 SURVIVAL OF BIOPSIED DAY 15 BOVINE CONCEPTI RE-TRANSFERRED TO SYNCHRONIZED RECIPIENT HEIFERS
Reproduction Fertility and Development·2005· 3 cited
226 GREATER DYSREGULATION OF GENE EXPRESSION IN PRE-IMPLANTATION CLONED OVINE COMPARED WITH CLONED BOVINE CONCEPTUSES
Reproduction Fertility and Development·2004Open Access
Cloned Cattle Fetuses with the Same Nuclear Genetics Are More Variable Than Contemporary Half-Siblings Resulting from Artificial Insemination and Exhibit Fetal and Placental Growth Deregulation Even in the First Trimester1
Biology of Reproduction·2004· 141 citedOpen Access
Dynamic Regulation of Expression of Colony-Stimulating Factor 1 in the Reproductive Tract of Cattle During the Estrous Cycle and in Pregnancy1
Biology of Reproduction·2003· 14 citedOpen Access
Development during single IVP of bovine oocytes from dissected follicles: Interactive effects of estrous cycle stage, follicle size and atresia
Molecular Reproduction and Development·1999· 20 cited
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Frequent Co-authors

A. J. Peterson(17), Martyn Donnison(8), S. Meier(5), D.K. Berg(4), Martin Berg(4), Lora J. Hagemann(3), Annette Schürmann(3), H.R. Tervit(3), S. Beaumont(3), Penny J. Back(3), J. Peterson(3), Rita S.F. Lee(2), David N. Wells(2), Susan E. Beaumont(2), Martin C. Berg(2), W.H. McMillan(2), Grant Smolenski(2), Paul R. Shorten(2), R.M. McDonald(2), H. V. Henderson(2)