Pivotal periods for pregnancy loss during the first trimester of gestation in lactating dairy cows
Loss of pregnancy can occur at many different stages of gestation and for a variety of causes
but clearly produces a negative impact for reproductive and economic performances of dairy …
but clearly produces a negative impact for reproductive and economic performances of dairy …
The cow as an induced ovulator: Timed AI after synchronization of ovulation
Timed-AI after synchronization of ovulation has become one of the most used reproductive
technologies developed during the past 40 years. Various adaptations of this technology are …
technologies developed during the past 40 years. Various adaptations of this technology are …
Factors that optimize reproductive efficiency in dairy herds with an emphasis on timed artificial insemination programs
Simple Summary Reproductive efficiency is critical for profitability of dairy operations. The
first part of this manuscript discusses the key physiology of dairy cows and how to practically …
first part of this manuscript discusses the key physiology of dairy cows and how to practically …
[HTML][HTML] Relationships between fertility and postpartum changes in body condition and body weight in lactating dairy cows
PD Carvalho, AH Souza, MC Amundson… - Journal of dairy …, 2014 - Elsevier
The relationship between energy status and fertility in dairy cattle was retrospectively
analyzed by comparing fertility with body condition score (BCS) near artificial insemination …
analyzed by comparing fertility with body condition score (BCS) near artificial insemination …
[HTML][HTML] Effect of a second treatment with prostaglandin F2α during the Ovsynch protocol on luteolysis and pregnancy in dairy cows
The main objective of this study was to evaluate the effect of a second treatment with
prostaglandin F 2α (PGF) during Ovsynch on regression of the corpus luteum (CL) and on …
prostaglandin F 2α (PGF) during Ovsynch on regression of the corpus luteum (CL) and on …
[HTML][HTML] Effect of a targeted reproductive management program designed to prioritize insemination at detected estrus and optimize time to insemination on the …
The primary objective of this randomized controlled experiment was to evaluate the
insemination dynamic and reproductive performance of cows managed with a targeted …
insemination dynamic and reproductive performance of cows managed with a targeted …
[HTML][HTML] Symposium review: The implications of spontaneous versus synchronized ovulations on the reproductive performance of lactating dairy cows
Lactating dairy cows are classified as spontaneous ovulators, in which establishment of
pregnancy depends on the accuracy of detection of behavioral estrus for correct timing of …
pregnancy depends on the accuracy of detection of behavioral estrus for correct timing of …
Effect of increasing GnRH and PGF2α dose during Double-Ovsynch on ovulatory response, luteal regression, and fertility of lactating dairy cows
Ovsynch-type synchronization of ovulation protocols have suboptimal synchronization rates
due to reduced ovulation to the first GnRH treatment and inadequate luteolysis to the …
due to reduced ovulation to the first GnRH treatment and inadequate luteolysis to the …
Mechanisms underlying reduced fertility in anovular dairy cows
Resumption of ovulation after parturition is a coordinated process that involves recoupling of
the GH/insulin-like growth factor 1 axis in the liver, increase in follicular development and …
the GH/insulin-like growth factor 1 axis in the liver, increase in follicular development and …
Effect of feeding rumen-protected methionine on productive and reproductive performance of dairy cows
The objectives of this study were to evaluate the effects of daily top-dressing (individually
feeding on the top of the total mixed ration) with rumen-protected methionine (RPM) from …
feeding on the top of the total mixed ration) with rumen-protected methionine (RPM) from …