Does anyone know the feeding habits of L. vannamei post-larvae?

More Agus Dwiono's questions See All

Can the candle jar method be used for bacterial culture of N. gonorrhea?

Currently, I am conducting research on the sensitivity test of gonorrhea bacteria with ceftriaxone combined with betel leaf extract. However, the laboratory where I conducted this research did not...

11 June 2023 5,754 0 View

Can you suggest some natural predators which efective to control leeches blooming in experimental tank?

My team and I have some turtles which conducted for research, then keep it into experimental tank. After a month, when we try to change the water, there are so many leeches in it. Beside physical...

09 December 2021 4,894 3 View

How to modify Al2O3 surface to make it hydrophobic?

Dear Scientists, I am going to disperse Al2O3 with synthetic oil (hydrophobic). Therefore how to modify Al2O3's surface to it stable in the lubricant? thank you very much. Best regards, Agus.

25 August 2020 4,714 3 View

How to determine atom% from weight% as shown in Maud Crystallographic Software ?

My understanding is atom% can be obtained from weight% by dividing all latter values by the appropriate atomic weights and normalizing their sum to unity. However, I am having a difficulty in...

17 June 2020 5,547 5 View

How to preserve shrimp hemolymph?

Can anyone suggest how to preserve shrimp hemolymph sample during transport to laboratory from a remote shrimp farm? How to prevent hemolymph to clot between individual extractions in a pooled...

01 February 2018 5,348 1 View

How to analyze big number of aquaculture and water quality data?

I have water quality and production data of 149 ponds rearing L. vannamei. Each pond has weekly water quality data (pH, nitrite, ammonia, etc.) for 14 weeks and productio data (harvest quantity,...

31 October 2017 5,116 7 View

Why DNA plasmid have to dry after wash by ethanol??

I try to load DNA plasmid in Wheel gel electrophoration, but the DNA cannot load directly and brustle. is it any correlation with ethanol remaining in my DNA plasmid after isolastion?

09 September 2017 7,446 4 View

Nitrification vs mineral concentration

Is nitrification directly affected by major minerals (Ca, Mg, K, Na) concentration in water? Does the nitrifying bacteria need these minerals significantly?

09 August 2017 2,150 3 View

Propensity Score Matching Alternatives?

Can anyone give me suggestions? For impact evaluation of policy/program analysis with data series 4-5 years, what is a better alternative methodology besides propensity score matching? Thank you.

22 March 2017 427 0 View

How to do laboratory experiment by preparing soil with specified ORP value?

I want to conduct an experiment rearing shrimp in an aquarium with a soil base. The soil vary in ORP (Oxidation-Reduction Potential) value i.e low (-200 mV), normal (0 mV) and high (+200 mV). Can...

12 March 2017 6,725 3 View

How do I compute SEM for percentages using SPSS?

I'm evaluating the reproductive performance of quails. I have the fertility, and hatchability percentages for six different sire groups and would like to determine the significant difference...

14 July 2024 2,203 5 View

Can humans be manufactured by humans?

I would like to know whether it is possible for humans to create or manufacture other humans who can do everything a human can also do. I mean is it possible to create a human being without...

27 June 2024 4,506 3 View

Why farmer's of India not adopting Integrated farming systems?

While IFS is beneficial

15 May 2024 4,174 4 View

Immune competency study in shrimp (white leg shrimp). What are the parameters to access immune competency in shrimp? Am i to use hemolymph or hepato?

Going futher, i am runing a nutrition experiment using black soldier fly meal (BSFM) and polychaete meal (PM) as a replacement for fishmeal targeting maturation in Litopenaeus vannamei. This is...

11 May 2024 3,985 0 View

What percentage of global crop production depends on reproductive seeds?

09 May 2024 1,391 3 View

Do algae have "vernalization"?

A few days ago, I saw a paper discussing the low temperature "vernalization" of microalgae (cyanobacteria). But in the paper, only low temperatures induced the growth effect of cyanobacteria was...

07 May 2024 2,908 0 View

"What are the combination of factors that contribute to the complexity of male infertility and significantly reduce the chances of conception?

Complex cases of male infertility can be treated using a multidisciplinary approach that includes urologists, reproductive endocrinologists, genetic counselors, and other specialists to design a...

01 April 2024 2,440 1 View

An inversion on a chromosome is detected, what are possible outcomes with a normal wife with normal karyotype? What additional information we need?

Background: A novel chromosomal inversion was identified in a phenotypically typical (live and fertile ) husband. The wife’s karyotype is normal. The couple is seeking genetic consultation...

02 March 2024 3,122 3 View

Freshwater shrimps and affected gills. Is it a parasite?

Freshwater shrimps of the genus Neocaridina which are kept in captivity (aquarium) have "dirty" gills (visible through the transparent carapace). The "parasite" was not motile. Mortality was...

22 February 2024 542 1 View

What is the primary identification feature of a Mediterranean shrimp species?

Dear marine biology researchers, I am kindly seeking your expertise in identifying a Mediterranean shrimp species based on specific criteria such as its single frontal spine, rostral structure,...

15 February 2024 976 1 View