Please, how can determined (measured) the local immunity after vaccination ND by eye drops?

More Hassan Hammadi's questions See All

What are the advantages and disadvantages of spry method vaccination in broilers?

I would like to know the advantages and disadvantages of spry method for vaccinate my flock and compared it with vaccination by drinking water. thx for answer

04 May 2017 7,973 25 View

Why when vaccinated flocks with Merak's disease, the infectious stunting syndrome (Helicopter disease) cases reduced and become very little?

I asked if there is any relationship with immunity

03 April 2017 3,587 19 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

Handling Missing Data and Building a Predictive Model with Incomplete Information ?

I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...

10 August 2024 4,005 2 View

Do interactions between biosphere, carbon cycle, & water cycle impact global warming & interaction between atmosphere & hydrosphere?

How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?

09 August 2024 3,291 2 View

Is it true that $\det(V(A))$ may be only $\pm 1$, depending on $n$, for the last symmetric tridiagonal matrix $A$?

One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...

08 August 2024 6,690 1 View

How to Add Missing Water Molecules in Protein-Membrane Simulations?

I have protein-membrane simulations (PDB, PSF, DCD) and have noticed that water molecules near the protein are not visible in the simulations. How can I fix this issue? Is there a way to place the...

04 August 2024 1,200 2 View

Why is nonpoint source pollution potentially more harmful and difference between point and nonpoint sources of water pollution?

01 August 2024 1,180 2 View

How do living organisms play a role in the water cycle and why is nonpoint source pollution potentially more harmful than point source pollution?

01 August 2024 7,061 2 View

The use of data from PubChem for commercial purposes?

Hi, I'm curious to know if data on chemical compounds from PubChem, such as water solubility properties, can be used to train a machine learning model for commercial purposes. Will this infringe...

30 July 2024 8,707 1 View

What is the weight of rotavirus A (ng)?

I am developing an ELISA kit for rotavirus A (G1P8 and G1P6). Does anyone know the weight (ng) of these two strains? Or to help me find their weight?

29 July 2024 3,138 2 View

What are the best practices to combat water scarcity in arid and semi-arid regions?

Water scarcity is a significant issue in arid and semi-arid regions due to limited rainfall and high evaporation rates. To address this challenge, various strategies and practices have been...

28 July 2024 7,611 2 View