Changes in reproductive physiology of lactating dairy cows due to elevated steroid metabolism

M Wiltbank, H Lopez, R Sartori, S Sangsritavong… - Theriogenology, 2006 - Elsevier
This manuscript focuses on potential changes in reproductive physiology that occur due to
high milk production in lactating dairy cows. Four reproductive measures are discussed …

The postpartum uterus

IM Sheldon - Veterinary Clinics: Food Animal Practice, 2004 - vetfood.theclinics.com
The postpartum period is defined as the time between parturition and completion of uterine
involution, around 40 days later. After parturition and before the next pregnancy is likely to …

Estrogens improve the pregnancy rate in cattle: A review and meta-analysis

E Taghizadeh, F Barati, AA Fallah… - Theriogenology, 2024 - Elsevier
Estrogens have proven to be effective in bovine estrus induction protocols. Considering the
extensive use of these products in large-scale estrus synchronization, the primary objective …

A rational basis for therapy in the sick postpartum cow

GS Frazer - Veterinary Clinics: Food Animal Practice, 2005 - vetfood.theclinics.com
The periparturient period is perhaps the most critical few weeks in the whole reproductive
process. Infectious disease and nutritional errors in late gestation can result in complications …

Profiles of circulating estradiol-17β after different estrogen treatments in lactating dairy cows

AH Souza, AP Cunha, DZ Caraviello… - Animal …, 2018 - animal-reproduction.org
The objective of this study was to characterize the circulating concentrations of estradiol-17β
(E-17β) after treatment with different types or doses of estrogens in the absence (Experiment …

Effect of postpartum suppression of ovulation on uterine involution in dairy cows

M Heppelmann, A Brömmling, M Weinert, M Piechotta… - Theriogenology, 2013 - Elsevier
The objective of this study was to investigate the effect of time of first postpartum ovulation
after calving on uterine involution in dairy cows with and without uterine puerperal disease …

[HTML][HTML] Milking frequency, estradiol cypionate, and somatotropin influence lactation and reproduction in dairy cows

CA Blevins, JE Shirley, JS Stevenson - Journal of dairy science, 2006 - Elsevier
Our objectives were to determine lactational and reproductive outcomes in response to
increased milking frequency (MF), injection of estradiol cypionate (ECP), and treatment with …

[PDF][PDF] Impact of metabolism and production diseases on reproductive function in dairy cows

H Bollwein, C Kawashima, T Shimizu… - … VIII: Proceedings of …, 2014 - biosciproceedings.org
The increase of milk yield in dairy cows during the last decades has been accompanied by a
reduction in fertility. This decline in reproductive performance is most likely caused by the …

Estrus and luteal activity of postpartum beef cows after treatment with estradiol

NM Long, MP Davis, MJ Prado-Cooper, I Rubio… - The Professional Animal …, 2009 - Elsevier
ABSTRACT Multiparous Hereford× Angus postpartum cows were used to determine the
effects of treatment with estradiol cypionate (ECP) on estrus and luteal activity (LA) of thin (< …

[PDF][PDF] Positive and Negative Effects of High Energy Consumption on Reproduction in Lactating Dairy Cows

M Wiltbank, H Lopez, R Sartori, A Gument - 2006 - Citeseer
Seven years after graduating from the University of Wisconsin-Madison, John Smith (name
changed by request) had found that the management headaches associated with running a …