Results 31 to 40 of about 140,168 (117)

Induction of accessory corpus luteum by gonadorelin in relation to the time of treatment and the follicle size in inseminated cows

Czech Journal of Animal Science, 2017
This study evaluated the occurrence of two corpora lutea (CL) and the pregnancy rate in cows treated with gonadorelin on days 5, 6 or 7 after insemination in relation to the day of treatment and the size of the largest follicle on the ovaries at the time
Radovan Doležel, Cindy Chambert, Darja Musilová, Svatopluk Čech, Tomáš Páleník   +4 more
doaj   +1 more source

Human oocyte capacitation culture: Essential step toward hormone‐free assisted reproductive technology

Reproductive Medicine and Biology
Background In vitro oocyte maturation (IVM) is not a novel concept; however, its wide‐scale practice has been limited because of the lower clinical outcomes compared to conventional assisted reproductive technologies.
Johan Smitz, Flor Sánchez, Sergio Romero, Heidi Van Ranst, Ellen Anckaert, Robert B. Gilchrist, Tuong M. Ho, Lan N. Vuong, Yoshiharu Morimoto   +8 more
doaj   +1 more source

Thyme Plant Powder (Thymus vulgaris) Improves the Production Performance of Laying Hens by Affecting Ovarian Follicles

Tropical Animal Science Journal
The present experiment investigated the effects of different levels of thyme powder on performance, blood biochemical parameters, reproductive system morphometry, and egg quality traits at different storage temperatures in old laying hens.
M. Ebrahimi, H. Ghaderi Chaparabad, I. S. M. Al-Moussawi, M. H. Hosseini, S. A. Mirghelenj   +4 more
doaj   +1 more source

Função ovariana de novilhas Nelore alimentadas com dieta suplementada com gordura protegida ruminal Ovarian function of Nelore heifers fed a diet supplemented with rumen-protected fat

Pesquisa Agropecuária Brasileira, 2010
O objetivo deste trabalho foi avaliar o efeito da suplementação alimentar com gordura protegida ruminal sobre as estruturas ovarianas e sobre a concentração sérica de progesterona, em novilhas Nelore mantidas em pasto.
Monique Mendes Guardieiro, Michele Ricieri Bastos, Gerson Barreto Mourão, Luiz Henrique Dantas Carrijo, Eduardo de Oliveira Melo, Rodolfo Rumpf, Roberto Sartori   +6 more
doaj   +1 more source

The Mycotoxin De-Epoxy-Deoxynivalenol (DOM-1) Increases Endoplasmic Reticulum Stress in Ovarian Theca Cells

Toxins, 2023
Deoxynivalenol (DON) is a major mycotoxin present in animal feed and negatively affects growth and reproduction in farm species, including pigs and cattle.
Angelica D. Reyes-Perea, Hilda M. Guerrero-Netro, Europa Meza-Serrano, Anthony Estienne, Christopher A. Price   +4 more
doaj   +1 more source

Effectiveness of Moringa oleifera Leaves on TNF-α Expression, Insulin Levels, Glucose Levels and Follicle Count in Rattus norvegicus PCOS Model

Diabetes, Metabolic Syndrome and Obesity, 2022
Salmon Charles PT Siahaan,1 Budi Santoso,2 Widjiati3 1Doctoral Program of Medical Science, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia; 2Department of Obstetrics and Gynecology, Faculty of Medicine, Dr.
Siahaan SCPT, Santoso B, Widjiati
doaj  

Concentrações hormonais e desenvolvimento folicular de vacas leiteiras em hipertermia sazonal e aguda Hormone concentration and follicular development in dairy cows under seasonal and acute hyperthermia

Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2006
Avaliaram-se as concentrações hormonais e os parâmetros de desenvolvimento folicular de vacas leiteiras expostas ao calor sazonal e agudo. Dividiram-se os animais em quatro grupos: verão (n=5), outono (n=5), inverno com hipertermia aguda (grupo câmara ...
B.J. Lew, R. Meidan, D. Wolfenson
doaj   +1 more source

SMAD4 promotes somatic-germline contact during murine oocyte growth

eLife
Development of the mammalian oocyte requires physical contact with the surrounding granulosa cells of the follicle, which provide it with essential nutrients and regulatory signals.
Sofia Granados-Aparici, Qin Yang, Hugh J Clarke   +2 more
doaj   +1 more source

Generation of mouse and rat xenogeneic ovaries in vitro for production of mouse oocyte

Animal Cells and Systems
The system forming ovarian follicles is developed to investigate in vitro folliculogenesis in a confined environment to obtain functional oocytes. Several studies have reported the successful generation of fully functional oocytes using mouse-induced ...
Si Won Jang, Ye Rim Kim, Jae Ho Han, Hoon Jang, Hyun Woo Choi   +4 more
doaj   +1 more source

The Effect of Vitrification on Follicular Morphology of Ovarian Rat [PDF]

Journal of Advanced Biomedical Sciences, 2015
Background & Objective: Some efforts have been made for keeping cryopreservation of gametes and embryos safe, including new vitrification methods of the ovary.
Foroozan Esmaeilzadeh, Laleh Hamedi, Davood Mehrabani, Aalamtaj Bidshahri, Nader Tanideh   +4 more
doaj