Results 31 to 40 of about 808,443 (353)

Modified Spirulina maxima Pectin Nanoparticles Improve the Developmental Competence of In Vitro Matured Porcine Oocytes

open access: yesAnimals, 2021
Molecular approaches have been used to determine metabolic substrates involved in the early embryonic processes to provide adequate culture conditions.
Pantu-Kumar Roy   +11 more
doaj   +1 more source

Metabolomics analysis of the effect of GnRH on the pregnancy rate of ewes with estrus synchronization scheme based on progesterone

open access: yesFrontiers in Veterinary Science
IntroductionGonadotropin-releasing hormone (GnRH) is widely used in the timed artificial insemination protocol for sheep. However, there remains a debate regarding its impact on pregnancy rates during artificial insemination.
Jing Zhang   +6 more
doaj   +1 more source

What happens to the leftovers? Is compassionate transfer ethical?

open access: yesVoices in Bioethics, 2017
The Washington Post recently published an article discussing IVF and one woman’s journey in the creation of her child.[1] Unlike other articles that often focus on the process of IVF, Sarika Chawla highlighted an often forgotten and diminished aspect of ...
Katarina Lee
doaj   +1 more source

In vivo culture of alpaca embryos in the oviduct versus embryo culture in vitro [PDF]

open access: yesSPERMOVA, 2018
The present study was carried out in the Animal Reproduction Laboratory of the Faculty of Veterinary Medicine and Zootechnics of the National University of Altiplano, with the objective of evaluating the effect of in vitro and in vivo culture of alpaca ...
G.P. Pérez Durand   +2 more
doaj   +1 more source

Establishment of a Wisent (Bison bonasus) Germplasm Bank

open access: yesAnimals, 2022
The wisent, or European bison (Bison bonasus), belongs to the same family (Bovidae) as the American bison and domestic cattle. The wisent is the largest mammal in Europe, and is called the “Forest Emperor”.
Anna Maria Duszewska   +7 more
doaj   +1 more source

Changes in fatty acid composition of total lipids and the level of lipid peroxidation products in the residual yolk of embryos depending of the content of vitamins А, D3, Е in diet of geese in the reproductive period

open access: yesБіологічні студії, 2010
Complex introduction in mixed fodder of geese at the reproductive period of vitamin A in quantity of 10,000 IU vitamin D3 in quantity of 3,000 IU and vitamin Е in quantity of 35 IU per 1 kg of mixed fodder leads to an increased level of polyunsaturated ...
O. V. Moravska, S. O. Vovk
doaj   +1 more source

Effects of Chronic Roundup Exposure on Medaka Larvae

open access: yesJournal of Xenobiotics, 2023
The use of glyphosate-based herbicides is increasing yearly to keep up with the growing demands of the agriculture world. Although glyphosate-based herbicides target the enzymatic pathway in plants, the effects on the endocrine systems of vertebrate ...
Deborah Killian   +4 more
doaj   +1 more source

A role for glyceraldehyde-3-phosphate dehydrogenase in the development of thermotolerance in Xenopus laevis embryos [PDF]

open access: yes, 1988
During heat shock, Xenopus laevis embryos exhibit an increase in the rate of accumulation of lactate and a loss of ATP relative to non-heat- shocked control embryos.
Browder, Leon W., Nickells, Robert W.
core   +2 more sources

Migration and Growth of Protoplanetary Embryos I: Convergence of Embryos in Protoplanetary Disks

open access: yes, 2014
According to the core-accretion scenario, planets form in protostellar disks through the condensation of dust, coagulation of planetesimals, and emergence of protoplanetary embryos.
Li, Hui   +3 more
core   +1 more source

Home - About - Disclaimer - Privacy