scholarly journals PERKEMBANGAN EMBRIO DAN PERFORMA AWAL LARVA TIGA SPESIES IKAN TOR INDONESIA

2020 ◽  
Vol 19 (3A) ◽  
Author(s):  
Wahyulia Cahyanti ◽  
Deni Radona ◽  
Anang Hari Kristanto
Keyword(s):  
Early Development ◽  
Fish Species ◽  
Cell Nucleus ◽  
Social Economic ◽  
Accurate Description ◽  
Larval Performance ◽  
Gastrula Stage ◽  
Development Stages ◽  
Division Process ◽  
The Difference

Tor fish is a potential local fish. It has social, economic and religious value and contains albumin which is equivalent to snake head fish. As a local fish cultivation potential, an accurate description of the early development stages of this species, will have value for ichthyologists and can facilitate cultivation efforts to increase production. This study aims to understand the embryology of three tor fish species and to determine the condition of larval performance at the beginning of hatching. The division process begins when the cell nucleus is divided into 2 blastomers, then continues to reach 32 cells in the first 10 hours after fertilization. At 10–20 hours after fertilization the eggs enter the morula, blastula and gastrula phases. After 20 hours, the organogenesis stage occurs. Tor douronensis hatched the fastest, more than 100 hours after fertilization (0.70–0.80 cm length, 0.0073 g weight and 8.40±1.83% abnormality). Tor soro over 120 hours (length 0.80–0.90 cm, weight 0.0125 g and abnormality 2.47±0.12%) and Tor tambroides above 140 hours after fertilization (length 1,00–1,09 cm, weight 0,0146 g and abnormality 2.93±0.31%). It can be concluded that there is no difference in the process of embryogenesis of the three species until the gastrula stage. The difference arises in the organogenesis phase, where the Tor douronensis organ develops most rapidly, followed by Tor soro and Tor tambroides.  

Urban effluents affect the early development stages of Brazilian fish species with implications for their population dynamics

2020 ◽  
Vol 188 ◽  
pp. 109907
Author(s):  
Luiza Santos Barreto ◽  
Angie Thaisa da Costa Souza ◽  
César C. Martins ◽  
Sabrina Borges Lino Araujo ◽  
Ciro Alberto de Oliveira Ribeiro
Keyword(s):  
Population Dynamics ◽  
Early Development ◽  
Fish Species ◽  
Development Stages

Heat-induced triploids in Brycon amazonicus: a strategic fish species for aquaculture and conservation

Zygote ◽  
2021 ◽  
pp. 1-5
Author(s):  
Nivaldo Ferreira do Nascimento ◽  
Rafaela Manchin Bertolini ◽  
Lucia Soares Lopez ◽  
Laura Satiko Okada Nakaghi ◽  
Paulo Sérgio Monzani ◽  
...  
Keyword(s):  
Flow Cytometry ◽  
Heat Shock ◽  
Early Development ◽  
Fish Species ◽  
Survival Rates ◽  
Shock Treatment ◽  
Hatching Rate ◽  
Heat Shock Treatment ◽  
Control Survival ◽  
Ploidy Status

Summary Triploidization plays an important role in aquaculture and surrogate technologies. In this study, we induced triploidy in the matrinxã fish (Brycon amazonicus) using a heat-shock technique. Embryos at 2 min post fertilization (mpf) were heat shocked at 38°C, 40°C, or 42°C for 2 min. Untreated, intact embryos were used as a control. Survival rates during early development were monitored and ploidy status was confirmed using flow cytometry and nuclear diameter analysis of erythrocytes. The hatching rate reduced with heat-shock treatment, and heat-shock treatments at 42°C resulted in no hatching events. Optimal results were obtained at 40°C with 95% of larvae exhibiting triploidy. Therefore, we report that heat-shock treatments of embryos (2 mpf) at 40°C for 2 min is an effective way to induce triploid individuals in B. amazonicus.

The Question of the Future of Indian Muslims in Malaysia: The Post-Mahathir Legacy Era

2012 ◽  
Vol 11 (1-2) ◽  
pp. 219-246 ◽  
Author(s):  
Ahmad Noor Sulastry Yurni
Keyword(s):  
Paradigm Shift ◽  
Social Economic ◽  
Ethnic Politics ◽  
Muslim Community ◽  
British Colonialism ◽  
Way Of Life ◽  
New Paradigm ◽  
Economic Allocation ◽  
Islamic Resurgence ◽  
The Difference

Abstract Abstract The Malays, Chinese and Indian community in Malaysia have been homogenized since British colonialism. The existence of Indian Muslims’ identity caused a new paradigm shift in Malaysia involving the racial discussion. This paper traces the difference in Indian Muslims’ identities from Indian and the Hindus. I argued that Indian Muslims share Islam as their religion and faith, while maintaining a Malay way of life and custom in their daily practices. In Malaysia, the Indian Muslim community struggled to place their future in terms of social, economic allocation and political justification among the other communities. However, the strength of ethnic politics clearly charted out their involvement in the political base and moved them to fight for their cause and rights. Hence, today’s Indian Muslim community has caused an Islamic resurgence, which has brought a new Indian dimension as a whole.

scholarly journals The Moral Enhancers of Elm-ul-Badea and its Rhetorical Meaning in The Holy Quran (Analytical & Rhetorical Study)

Fahm-i-Islam ◽  
2020 ◽  
Vol 3 (1) ◽  
pp. 207-223
Author(s):  
Niaz Badshah ◽  
Javed Khan
Keyword(s):  
Analytical Approach ◽  
Development Stages ◽  
Difference Of Opinion ◽  
Holy Quran ◽  
The Holy Quran ◽  
The Difference ◽  
Definition Of ◽  
Great Knowledge ◽  
Great Scope ◽  
Holy Book

Arab Writers and poets had a great knowledge of Elim-ul Badea (البديع علم ,( Before Islam. Elm-ul Badea (البديع علم (can be found extensively both in their poetry and prose. With the advent of Islam and the revelation of Quran (a literal Miracle of Allah Al-Mighty), rhetoric has reached to its peak, which made it the center of attention for the Writers and intellectuals. They have made their researches of Quran from different angles, i.e. the lexicon miracles, literal interpretation, style and rhetoric of the Holy Book, but Elm-ul- Badea (البديع )علم is such a part of literature which is always open for more research, so this research focuses on the Moral enhancers (المعنوية المحسنات (which is a part of the Elm-ul-Badea in the Quran. This work will throw light on those verses of Quran in which Moral enhancers(المعنوية المحسنات (are present, and are defined as rhetorical explanations beside the definition of Elm-ul-Badea, its development stages, and the difference of opinion among the scholars about the topic. Quran is the Holy Book of Allah Al-Mighty and is the Miracle of the Holy prophet Muhammad peace be upon Him, which challenged the whole world to bring verses like it, and it appeals the human being to think in its meanings. I tried to explore the المعنوية المحسنات of Quranic rhetoric. There is a great scope for researchers to explore the Moral enhancers المعنوية المحسنات of Quranic Rhetoric. I have used descriptive and analytical approach while doing this research to attain the required results.

The role of water-regulating mechanisms in the development of the haploid syndrome in Xenopus laevis

Development ◽  
1972 ◽  
Vol 28 (2) ◽  
pp. 449-462
Author(s):  
Louie Hamilton ◽  
P. H. Tuft
Keyword(s):  
Xenopus Laevis ◽  
Cell Number ◽  
Gastrula Stage ◽  
Tail Bud ◽  
Volume Changes ◽  
Membrane Area ◽  
Flow Through ◽  
The Difference ◽  
Haploid Embryos

The uptake of water by haploid and diploid sibling embryos of Xenopus laevis has been investigated by measuring the density changes which occur during the development of intact embryos from the blastula to the late tail-bud stage, and of explants from which most of the presumptive endoderm has been removed. The results show that up to the mid-gastrula stage there is no difference between the haploid and diploid embryos; but from then on, whereas the diploid volume increases steadily, the haploid gastrulae undergo a series of cyclical volume changes due to loss of fluid through the blastopore. It is concluded that this is the result of an excessive inflow of water through the haploid ectoderm, because it was found that the volume of haploid ectodermal explants increased much more rapidly than the volume of similar diploid explants. Excess flow through the haploid ectoderm also accounts for other characteristics of the haploid syndrome – microcephaly and lordosis. It is suggested that it is the doubling of the cell number in haploid embryos with the consequent 25% increase in aggregate cell membrane area which accounts for the difference between the uptake of water by the two types of embryos. It is also suggested that changes in the rate of water flow through the ectoderm and endoderm which are thought to account for the accumulation of water in the blastocoel and archenteron in the normal diploid embryo arise in a similar way.

Knowledge without Observation

2019 ◽  
pp. 93-116
Author(s):  
John Schwenkler
Keyword(s):  
Intentional Action ◽  
Accurate Description ◽  
First Person ◽  
Blue Book ◽  
Self Knowledge ◽  
The Difference ◽  
Bodily Movements

This chapter discusses the argument of Sections 28–32 of G.E.M. Anscombe’s Intention. It begins by relating Anscombe’s thesis that intentional action is known without observation to Wittgenstein’s discussion in the Blue Book of the knowledge of oneself “as subject” and Anscombe’s discussion in “The First Person” of unmediated self-knowledge. Following this, the chapter explores the difficulties that herself Anscombe raises for her thesis, and considers her reasons for thinking that the scope of an agent’s non-observational self-knowledge is not limited to her interior states or immediate bodily movements. Finally, it considers how the difficulties that Anscombe has raised are supposed to be addressed by her discussion of how descriptions of one’s intentional action can be contradicted, and of the difference between a list that has the role of an order and one whose role is to provide an accurate description of some facts.

scholarly journals Vegetated Habitats Trophically Support Early Development Stages of a Marine Migrant Fish in a Coastal Lagoon

2020 ◽  
Vol 43 (2) ◽  
pp. 424-437
Author(s):  
Cristina Andolina ◽  
Piero Franzoi ◽  
Andrew Lloyd Jackson ◽  
Antonio Mazzola ◽  
Salvatrice Vizzini
Keyword(s):  
Early Development ◽  
Coastal Lagoon ◽  
Development Stages

Emerging, Transformative Technologies: Promises and Business Model Challenges

2020 ◽  
Vol 25 (4) ◽  
Author(s):  
Arthur Boni ◽  
Dennis M. Gross
Keyword(s):  
Early Development ◽  
Business Model ◽  
Business Models ◽  
Development Stages ◽  
Healthcare Market ◽  
Development And Validation

This issue provides a perspective on emerging, transformative technologies that promise to create innovations that are intended to provide solutions for significant problems in the biopharma and broader healthcare market.  Many of these technologies have been evolving over the years, but remain in their early development stages technologically. As with most transformative innovations, they come with a host of lengthy and expensive challenges associated with development and validation. And, implementation of transformative business models that are at least as challenging as commercializing the technologies themselves.

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