Conception rate and pregnancy loss in fixed-time cattle embryo transfer programs are related to the luteal blood perfusion but not to the corpus luteum size
GMG Dos Santos, LB Junior, KC Silva-Santos… - Theriogenology, 2023 - Elsevier
This study aimed to evaluate the effect of luteal blood perfusion and corpus luteum (CL) area
on the conception rate and occurrence of pregnancy loss of recipients in a large-scale fixed …
on the conception rate and occurrence of pregnancy loss of recipients in a large-scale fixed …
Ultrasonography-accessed luteal size endpoint that most closely associates with circulating progesterone during the estrous cycle and early pregnancy in beef cows
The aim was to evaluate the associations between circulating P4 concentrations, corpus
luteum (CL) size (diameter, area or volume) and blood perfusion (BP) in cows. In Experiment …
luteum (CL) size (diameter, area or volume) and blood perfusion (BP) in cows. In Experiment …
Follicular dynamics, luteal characteristics, and progesterone concentrations in synchronized lactating Holstein cows with high and low antral follicle counts
DV Bonato, EB Ferreira, DN Gomes, FGC Bonato… - Theriogenology, 2022 - Elsevier
We performed two experiments in high milk-producing Holstein cows. First, we evaluated the
repeatability of the antral follicle count (AFC)–where all follicles were≥ 2 mm in diameter …
repeatability of the antral follicle count (AFC)–where all follicles were≥ 2 mm in diameter …
Impact of the corpus luteum and follicular parameters on the levels of plasma progesterone and the prediction of pregnancy in Holstein dairy cows
HA Sharawy, ARO Hegab… - … in Domestic Animals, 2023 - Wiley Online Library
The objective of this study was to investigate the reliability of corpus luteum and dominant
follicles, imaging parameters on the plasma progesterone, and prediction of pregnancy in …
follicles, imaging parameters on the plasma progesterone, and prediction of pregnancy in …
[HTML][HTML] Luteal function, biometrics, and echotextural attributes in santa inês ewes superovulated with different total doses of porcine follicle-stimulating hormone
JR Bevilaqua, MGK Rodriguez, GS Maciel, GB Vergani… - Animals, 2023 - mdpi.com
Simple Summary The total dose of exogenous gonadotropins used for superovulation might
be one of the causes of premature regression of corpora lutea (PRCL) in superovulated …
be one of the causes of premature regression of corpora lutea (PRCL) in superovulated …
Evaluation of hCG as gonadotropic support to timed embryo transfer protocol in beef cattle
EA de Almeida Rossignolo, NC da Silva, RL Stolf… - Theriogenology, 2023 - Elsevier
This study compared the reproductive performance of embryo recipients treated with a timed
embryo transfer (TET) protocol using human chorionic gonadotropin (hCG) or equine …
embryo transfer (TET) protocol using human chorionic gonadotropin (hCG) or equine …
Evaluation of ImageJ software in ultrasonic image analysis: Follicular and luteal morphological characteristics of cattle
LS Brito, AK da Silva Cavalcante, AS Rodrigues… - Animal Reproduction …, 2022 - Elsevier
This study was conducted to compare the effectiveness of two methodologies in evaluating
B-and Doppler-mode ultrasonic images: analysis using ultrasonic software and utilizing a …
B-and Doppler-mode ultrasonic images: analysis using ultrasonic software and utilizing a …
Inter-software reliability and agreement for follicular and luteal morphometric and echotextural ultrasonographic parameters in beef cattle
CA Pinzón-Osorio, MA Machado… - Animal Reproduction …, 2024 - Elsevier
This study aimed to compare the inter-software and inter-observer reliability and agreement
for the assessment of follicular and luteal morphometry and echotexture parameters in beef …
for the assessment of follicular and luteal morphometry and echotexture parameters in beef …
Luteal tissue characteristics of Morada Nova ewes with hCG application 7.5 days after the end of estrus synchronization protocol in the breeding season
JD Gonçalves, GB Vergani, JND Rodrigues… - Animal Reproduction …, 2024 - Elsevier
Results with the use of hCG after synchronization protocol are still inconsistent, which may
vary according to breed, season, day of application and dose of the drug used. The aim of …
vary according to breed, season, day of application and dose of the drug used. The aim of …
Early luteal development in Santa Inês ewes superovulated with reduced doses of porcine follicle‐stimulating hormone
M Garcia Kako Rodriguez… - … in Domestic Animals, 2019 - Wiley Online Library
Contents The aim was to compare the early luteal development in ewes superovulated with
different doses of pFSH. Twenty‐nine Santa Inês ewes received a progesterone device …
different doses of pFSH. Twenty‐nine Santa Inês ewes received a progesterone device …