Is there any 1/2 biochemical test for identification of Aeromonas hydrophila?

Biochemical tests are the tests used for the identification of bacteria species based on the differences in the biochemical activities. There are at 21 tests such as Indole, MR, VP, Citrate and so...

04 May 2018 334 0 View

Which route (Oral/Injection/Immersion) of vaccine will suitable for Indian Aquaculture?

Fish vaccines are administered by 3 ways, Injection, Immersion and Oral. Each of the route has some advantages and disadvantages. Norwegian salmonids are vaccinated mainly by Injection route....

04 May 2018 353 3 View

Are hormone treated fishes (Tilapia) safe for human consumption?

04 May 2018 3,466 15 View

What are the probable cause of death of two fish?

Two fish are found to death in cultured pond. I'm looking for the cause- investigation is going on---

03 April 2018 9,381 3 View

What percentage of protein in feed is needed for Pangasius fingerling culture?

We know pangasius (Pangasianodon hypophthalmus) is a voracious omnivore fish, I'm going to formulate a feed to carry out research by pangasius fingerling. Please suggest me how much protein %...

03 April 2018 9,375 10 View

Is it necessary believing in 'Darwin's Evolution Theory' while studying and working with Science?

No doubt 'Charles Darwin's Evolution Theory' had tremendous impact on modern biological sciences. To become more science-based rather than religious belief, is it really important to think and...

03 April 2018 5,012 20 View

Why fishes are not vaccinated in Chinese and Indian Aquaculture?

China is a major player in global aquaculture, contributing 61.62% of total production, where as India ranked 2nd, contributes 6.62%. Together they produced nearly 70% of earth aquaculture...

03 April 2018 8,467 11 View

How many years ago innate and adaptive immune system arose in vertebrates?

Defense mechanism of vertebrates fall into two broad categories: innate and adaptive immune system, how many years ago and which evolution era they evolved?

03 April 2018 9,259 7 View

Is there any short-cut techniques for histological slide preparations?

Histology is a powerful technique to see the structural changes in the cellular and tissue level. But the whole process at lease 48 hrs to be completed. Is there any short-cut so that we can...

03 April 2018 3,977 10 View

Why fish Red Blood Cells are nucleated? Is this just for evolutionary reason or else other reason? What is the benefit of nucleated RBC for fish?

Probably vertebrates has nucleated RBC except mammals, is there any specific reason or just evolution. Please suggest--

02 March 2018 5,030 3 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Good morning research fellows, Has anyone worked with senna alata plant extract on any kind of fish?

Literatures on the piscicidal effect of sennaa alata is scanty. if you have any related litrature either in the bark, leaves or roots used as treatment to any aquatic organism please kindly help...

28 February 2021 9,138 2 View

Experimental Design: How deal with pseudreplicates with immunological and clinical-chemical paramaeters?

Hello everybody, I am investigating the influence of a toxinon various clinical-chemical and haematological parameters in fish. I have three treatments (control, low dose, high dose) in my...

24 February 2021 1,243 1 View

Hi i want to ask that in order to find out LC 50 (96 hours) of particular toxin for fish. Should we keep the animals with food or without food?

if we expose the fish after acclimatization to particular toxin in order to find out LC 50 (96 hours).Should we keep the fish off feed or with feed for that duration. Some literature show that...

24 February 2021 357 2 View

Measuring Total immunoglobulin whole-body of fish larvae?

Hi Dear All, I prepared the extract of fish larvae whole body with PBS. Then protein concentration of the whole-body extraction samples determined by the Folin-Ceiocalteu-Phenol method (Lowry...

17 February 2021 1,971 3 View

What is the identity of additional bands found during fish gut microbiome 16S V4 PCR amplification?

Hi, I am carrying out test PCRs for 16S amplicon sequencing on Illumina MiSeq. I am using standard V4 primers: 515F/806R. The aim is to profile the microbiome of fish guts under different...

16 February 2021 5,668 6 View

Is this the fragment of a sauropod tooth?

Dear colleagues. Fragments of this species are very rare from a terrestrial Lower Cretaceous locality from Germany. Up to now from this locality sauropods could not be proved with certainty. Other...

14 February 2021 2,310 1 View

Do you know of an informal caregiver of a person who has recently received a bone marrow transplant?

We are conducting a pilot study of an intervention for informal caregivers of persons who have recently received a bone marrow transplant in the US. If you know of anyone who might be interested,...

13 February 2021 9,174 1 View

What is the correct common name for Hydrochoerus hydrochaeris?

There are two extant species of Hydrochoerus: Hydrochoerus isthmius, the lesser or Panamanian capybara, and the genotype species H. hydrochaeris. The latter is the more common species of capybara,...

11 February 2021 3,494 14 View

Problem to dissolve 50%wt Glycerol in 4%wt PVOH 28-99 ??

Hello everyone, I am trying to prepare a solution out of PVA(Polyvinyl alcohol)_Glycerol_Wasser . (4% PVA 28-99 and 50% Glycerin) To prepare this solution I first add PVA to 80degree water and...

06 February 2021 2,300 3 View