Poultry water treatments and Salmonella prevalence in broilers - Brian Fairchild

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Onwuka A. Onwuka Onwuka A. Onwuka
Quality Assurance Lab. Analyst
June 27, 2018
At present, I am using administering Formi-NDF on broilers and layers and have not experienced coccidiosis on my birds. This substance contains sodium formate and formic acid but it is hygroscopic. The acidic nature helps prevent favourable environment for bacteria and other microbes.
June 28, 2018

Salmonella-infected flock, how to reduce it?

Hiren Pancholi Hiren Pancholi
Graduation in commerce
June 29, 2018

Water Treatment with stabilized CLO2 is more effective. It works under wide Ph range of from 3 to 10. It is superior to chlorine when Ph is above 7. It does not hydrolyze in water so its germicidal activity is constant over wide Ph range.
It is effective on bacteria, spores, virus, fungus and Algae (bio-film).
It does not change the taste of water.

Christian Lückstädt Christian Lückstädt
Animal Nutritionist
July 4, 2018

I can only agree that one tends to overestimate the impact of water acidification in Salmonella control. Sure, it is one part of the concept to combat Salmonella. At least in Europe, the chances of introducing Salmonella into broilers via feed and water are minimal. That doesn't mean that biosecurity measures in those vectors shall be neglected (we are using formic acid based acidifiers in the drinking water of birds till we reach pH 4.5, in order to ensure an inhibition of bacteria growth in the water and pipes itself), but it shows from our point of view the importance of using steps/tools/additives to help the gut of the bird to reach a state of eubiosis. And in this regard, ADDCON has been working with diformates over a number of years (Mr. Onwuka commented on one of those (Formi NDF) in his post) in order to minimize/inhibit Salmonella in poultry. Diformates (in contrast to free formic acid) had been able to demonstrate that they are able to reach the small intestine in relevant amounts (up to 85% of the overall active ingredient). Relevant Salmonella reduction on farm is never a quick-fix, but takes time and potentially several different steps, however, we are sure that the concept of using diformates (in this case sodium diformate) can help to reduce the Salmonella load in broiler, breeder and layer. For that task, we usually recommend a dosage of 3 kg/t.

July 6, 2018
Dear Sir

Please share how much concentration of that product both acids while you directly mentioned 3kgs/ton of feeds

Dr Sven Keller Dr Sven Keller
Sr. Technical Service Manager
Novus International Novus International
Missouri, United States
July 10, 2018

I would like to come back to the topic of the title, which is related to water treatment and Salmonella prevalence. I think there is not a kind of a golden bullet and a strict biosecurity program including several strategies is key for preventing Salmonella outbreaks on farm level. Organic acids applied over the water and/or feed can be considered as part of such anti-Salmonella programs. Talking about water treatment, formic acid based products are typically used in the market. Advanced drinking water concepts have been developed over the years, however, only very limited organic acids products have been scientifically tested in drinking water against Salmonella in poultry. One exception is a unique blend (Activate WD Max) of organic acids with methionine hydroxy analogue. Previous studies have demonstrated a synergistically effects against Salmonella, when combining the hydroxy analogue with organic acids such as formic acid. Its usage in drinking water has shown a reduction in horizontal transmission of salmonella in poultry flocks by a significant decrease of Salmonella in the cecal content together with a significant lower number of Salmonella-positive litter drag swabs. Typical inclusion rates are 0.5-1ml/liter drinking water.

July 12, 2018

Sir, my 30 days-old chicks reduce feed. Suggestion, please Sir. I am from Kashmir.

July 14, 2018


But my question is,

if Biofilm is present in the nipple lines & giving very high values of water samples
in Laboratory,


if we are doing ATP test on farm, giving very high RLU values for bacterial contamination in water.

Then, what should we do?

July 17, 2018

Dear Dr. Fuad, organic acid + inorganic acid (simply, water acidifier) can a little bit decrease pH of water, to prevent Salmonella population. But to remove biofilm, it is necessary to use more stronger acid plus hydrogen peroxide. This is waterpipe cleaning procedure. After these cleaning, necessary to wash pipes by fresh water and than continue to use organic acids. Cleaning is necessary to perform periodically, but if to use water acidifier, you can clean water pipes less often. Please to be careful with concentrated acids and hydrogen peroxide, and don't close pipes because pressure will highly increased during these cleaning.

Kasame Trakullerswilai Kasame Trakullerswilai
Bacheler of Veterinary Medicine
August 7, 2018

I heard using chlorine dioxide in the water can reduce the salmonella by continuous treatment and HMTBa 0.05% in the water 3-4 wks may reduce the salmonella in the gut and lower shedding but both cannot reduce 100% salmonella in the gut.

This is only 1 intervention and the last day before slaughtering may use organic acid for reducing salmonella load in the gut if pH 4.

Joshua Jendza Joshua Jendza
Animal Nutritionist
August 13, 2018

Kasame Trakullerswilai

Chlorine dioxide efficacy will depend on the pH of the water. As long as the pH is sufficiently low "Yes" continuous chlorination can be helpful.

HMTBa is has a good pKa for water acidification (3.6), but it is a rather large molecule (150 g/mol) so the dose would need to be quite high relative to an acid with a similar pKa such as formic (pKa 3.77 and 46 g/mol).

As for the targeted application of organic acids. Transition points are important (placement, feed changes, feed withdrawal/outages, etc.), but a single day of application is likely, not adequate. 3 or 4 days would be a minimum around a transition point, with continuous acidification being preferable/more effective. It is also potentially simpler from a management perspective as workers don't have to remember to start acidification.

Kasame Trakullerswilai Kasame Trakullerswilai
Bacheler of Veterinary Medicine
August 30, 2018

Joshua Jendza

Thanks for suggestion.
Start with free salmonella of DOC, housing, feed and pest as well.

August 27, 2018
I need theses about drinking water poultry
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