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85 results for “Embryo”
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Research ArticleOpen accessEvery word in the titleToxicity of Dinoflagellate (Gonyaulax verior) from Makassar Strait Waters on Medaka Fish (Oryzias javanicus) Embryo DevelopmentNita Rukminasari, Khusnul Yaqin, Jamaluddin Fitrah AlamThis study investigates the toxic effects of the dinoflagellate Gonyaulax verior on the embryonic development of medaka fish (Oryzias javanicus) sourced from four distinct aquatic environments in the Makassar Strait. Given the increasing presence of harmful algal blooms in marine ecosystems, understanding the impact of toxic dinoflagellates is crucial for assessing risks to fish populations. Embryos were exposed to varying … …OnLine Journal of Biological Sciences, Vol. 25, Issue 3 · 20 Nov 2025 · 2,123 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffect of High Incubation Temperature on Embryo Livability, Mortality, Hatchability, and Chick Quality in Commercial LayersKhathutshelo Simon Masia, Khathutshelo Agree Nephawe et al.This research was conducted to determine the effect of high incubation temperature profiles on embryo livability, mortality, hatchability, and chick quality in commercial layers. Incubation temperature profiles were: Control (day 0-4: 37.8°C, day 5-9: 37.2°C, day 10-11: 37.0°C, day 12-13: 36.8°C), moderately high (day 0-4: 38.5°C, day 5-9: 38.2°C, day 10-11: 37.5°C, day 12-13: 37.0°C) and extremely high (day 0-4: … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 4 · 19 Nov 2024 · 5,213 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Mother Plant and Somatic Embryo Registry for the Propagation and Conservation of Artificial Seeds of the Orchid Phragmipedium kovachiiOsber Cunia, Manuel Oliva, Segundo G. Chavez et al.Phragmipedium kovachii, is an endemic orchid that naturally inhabits the humid zones of the Amazonas region in Peru. Currently, it has been extracted from its natural habitat, listed as critically endangered by CITES, suggesting searching for conservation strategies in vitro and in situ. Therefore, this research established an in vitro protocol to obtain and conserve artificial seed, through four events: … …OnLine Journal of Biological Sciences, Vol. 24, Issue 4 · 8 Jul 2024 · 5,302 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffects of Age and Season on in vivo Embryo Production of Friesian Holstein CowsNurul Isnaini, Syafira Aldina Febrianty, Faizal Andri et al.Embryo transfer is one of the leading technologies that is now being applied in an effort to increase the population and productivity of dairy cattle in Indonesia. Several factors may affect embryo production including age and season. In this study, the effects of age and season on in vivo embryo production were evaluated on Friesian Holstein (FH) cows. A total … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 1 · 2 Mar 2024 · 5,457 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleSomatic Embryogenesis of Oil Palm (Elaeis guineensis Jacq.) from Bud Explants Using Suspension CultureNurul Huda Panggabean, Isnaini Nurwahyuni et al.The propagation of oil palm seeds through tissue culture and somatic embryogenesis is a preferred method due to its ability to produce entire plants without the need for gamete fusion. While somatic embryo proliferation is typically performed on solid media, this approach is less efficient than liquid media, which is both more cost-effective and can lead to better proliferation results. … …OnLine Journal of Biological Sciences, Vol. 23, Issue 2 · 4 May 2023 · 5,863 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffect of Semen on the Embryo Productivity of Donor Cows and the Development of Transplant CalvesBolatbek Ateikhan, Toktar Karibaevich Bexeitov, Talgat Kozybakovich Seiteuov et al.In animal husbandry, more heifers are requiredfor the expanded reproduction of the herd or milk, and more bulls are needed toobtain meat. One of the effective ways to artificially regulate the secondary(at birth) sex ratio is the technology of sexed semen. In this connection, thepurpose of this study was to study the effect of sexed and native semen on theembryonic … …OnLine Journal of Biological Sciences, Vol. 22, Issue 3 · 6 Sep 2022 · 5,430 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleSuperovulation Response and Embryo Quality Recovered Following Flushing Nguni Heifers and CowsAyanda Maqhashu, Masindi L. Mphaphathi, Pokgedi J Sebei et al.The aims of the study were to compare super ovulatory response, fertilization rate and evaluate embryo quality recovered from super ovulated Nguni stud cows and heifers. Nguni cows (n = 15) and heifers (n = 10) aged 4-6 and 2 years, respectively, were used as embryo donors. Embryo donors were synchronized for estrus before superovulation. For superovulation donors were administered … …American Journal of Animal and Veterinary Sciences, Vol. 16, Issue 4 · 25 Nov 2021 · 6,431 accessesView PDFCite
Review ArticleOpen accessEvery word in the titleDNA Vaccination Associated with Eliminating Inheritance Risks during Embryo Development: A ReviewRia MargianaThe process of immunization using modified DNA is essential whenever scientists desire to trigger an artificial response in the host’s body to improve immunity. The use of DNA vaccines awakens the somatic cells of the host to produce antigens that will assist the body to prepare to fight infections through preventive measures triggered by the vaccines. These biological inventions have … …OnLine Journal of Biological Sciences, Vol. 16, Issue 2 · 26 May 2016 · 6,873 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDevelopment of Transgenic Maize using Immature Embryos of HiII Genotype as a Vaccine CandidateHyun A. Kim, Suk Yoon Kwon, Han Sang Yoo et al.Problem statement: Plant-based vaccines posses some advantages over other types of vaccine biotechnology such as safety, low cost of mass vaccination programs and wider use of vaccines for veterinary medicine. These study was undertaken to develop the transgenic maize as edible vaccine candidate for animals. Approach: The immature embryos of HiII genotype were inoculated with A. tumefaciens strain C58C1 containing … …American Journal of Biochemistry and Biotechnology, Vol. 8, Issue 1 · 5 Mar 2012 · 7,567 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleInduction of Embryogenic Callus and Plant Regeneration in Carnation (Dianthus caryophyllus L.)Omid KaramiIn this study, efficient plant regeneration through somatic embryogenesis is achieved in four cultivars of carnation (Nelson, Sagres, Spirit and Impulse). Embryogenic calli were induced on petal explants only, all the calli established on leaf, sepal, receptacle and style explants were not embryogenic. Embryogenic calli were obtained on Morashige and Skoog basal medium (1962) containing sucrose 9%, 2.0 mg L-1 … …OnLine Journal of Biological Sciences, Vol. 8, Issue 4 · 31 Dec 2008 · 6,813 accessesView PDFCite