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David Wicker Ph. D. likes this technical article:
Coccidiosis is a disease caused by Eimeria spp. and causes a negative economic impact on the poultry industry, inducing global losses over 2.4 billion dollars annually (1). Specific Eimeria spp. identified in poultry includes E. acervulina, E. brunetti, E. maxima, E. necatrix, E. praecox, E. mitis, E. tenella, E. mivatti, and E. hagani (2). Eimeria spp. colonize in the intestine from duodenum to c ...
This member gave a presentation on January 29, 2024
At the following event:
IPPE - International Production & Processing Expo 2024
Participation in Forum on November 20, 2023
@Paulo Martins , the presence of E. Coli or other pathogens in finished feed indicates that a critical control step, pelleting, had failed or that the feed has become contaminated after the pellet mills indicating poor quality control of the manufacturing process. You are correct that the birds intestine does contain these bacteria and receives these bacteria from many different sources, however t ...
David Wicker Ph. D. likes the comment:
I should like also to comment from Dr. Marchenkov regarding "vegetable methionine". As Dr. Wu correctly states, methionine is methionine; an amino acid with a clearly defined structure INDEPENDENT of the source. I have seen numerous products claiming to be "Herbal methionine" and these materials are not methionine, and do not contribute methionine. When used in correctly balanced and formulated di ...
Participation in Forum on September 20, 2022
The use of Challenge conditions and coccidiosis challenges in an experiment makes the interpretation of research as it applies to commercial conditions more difficult. I have found that reducing density and feeding a consistently good quality diet will enable a production manager to determine which products work in his operations and the products that give a positive return.
Participation in Forum on June 15, 2021
Robert Swick . Excellent comment on sustainability, however do not discount the sustainability of the chemicals used to produce the amino acids and vitamins. Many times the production of these nutrients using chemicals is an integrated operation and they used chemicals (by products) from the production of other products. Many times cyanide and HCl acid are in surplus from other reactions. To get a ...
Participation in Forum on June 30, 2020
Andy G Tuazon; Dr. Tuazon, I have not used the Gastec ammonia detector. We have used the following hand held detectors, Drager, PAC 7000, 3-M's Single Gas Detector model 450-455-104 A, and the Honeywell gas detector model 128-266-1-3. These gas detectors are available from the Grainger distribution company 9avaiable on line). All of these models can detect the ammonia, however they assay only for ...
Participation in Forum on June 29, 2020
Adam Fahrenholz Dr. Fahrenholz, May I disagree with you on less uniformity ifor feeds for older animals that have a larger meal intake as compared to a chick with a smaller meal intake. I believe that we are not only meeting the animal’s needs, but also we are feeding and altering the entire biome in the animal. A larger animal has the body mass to tolerate variations in meal intake as compared to ...
David Wicker Ph. D. likes this technical article:
We face a global challenge in feeding a rapidly increasing population, while using fewer resources to do it. In short, we need to do more with less. This sustainable global food challenge will take a variety of players and approaches to resolve, but technology will undoubtedly be central if we are to be successful.Digitization, the Internet of Things and more powerful software all offer new tremen ...
Participation in Forum on June 13, 2020
Ammonia levels are problem in modern poultry houses with South or North American or European production methods. Ammonia can be controlled with very low stocking densities and/ or high ventilation rates and deep litter, however it will difficult to make a profit. Thus Dr. Czarick’s work on continuous detection of ammonia is very important. Our goals are for 10 ppm of ammonia. This level is a ...
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Location:Boardman, Oregon, United States
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Professional Title: Vice President
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