Article published the July 14, 2021
General introduction: Newcastle disease (ND)Poultry farming is one of the most important livestock producing activities in the world because it supplies low-cost animal protein. Nevertheless, since its beginning, the main threat to the industry has been the occurrence of diseases that decrease production. One of the most common and detrimental avian viral diseases affecting poultry production is N ...
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Claudio Afonso likes the comment:
Folarin FaleHello and thank you for your question. These two diseases, Fowl Cholera and Fowl Typhoid, are very different and are caused by Pasteurella multocida or Salmonella Gallinarum, respectively. For antibiotic treatment you should always try to, first, isolate the bacteria and ask for your lab to perform antibiotic sensitivity tests before applying any treatment. Results may change in differ ...
Claudio Afonso likes the comment:
Narayan Banik Sorry for the late reply. You can try to vaccinate earlier. First dose at 7-8 weeks and a booster dose at 15-16 weeks. Always use the same vaccine. Otherwise, no booster effect will be obtained. If possible, include local strains and protection will be more specific.
Participation in Forum on April 28, 2021
Excellent summary, Dr. Aziz. Would you be able to expand on what do you think would be the role(s) of NGS, or more specifically, of random metagenomics analysis on avian disease diagnostics?
Claudio Afonso likes this technical article:
1. Introduction The demand for poultry products has grown exponentially in recent decades and it is estimated that production will reach 130 million tons of chicken meat in 2020, when it will become the most consumed animal meat in the world [1]. Among traditional livestock species, poultry are the most efficient feed converters, with a feed conversion ratio in the range of 1.6–2.0. The main ...
Participation in Forum on February 28, 2020
We are running 48 samples per Run on an Illumina Myseq. This gives lots of bacterial Ribosomal diversity at a cost of about $100 or less per sample for reagents.
Article published the February 27, 2020
A recent study by Butt and others demonstrates that random next generation sequencing can be successfully used for diagnostic identification and genotyping of Newcastle disease viruses present in paraffin embedded fixed (FFPE) chicken tissues. Dr. Afonso’s team used this approach to characterize the Newcastle disease virus genomes from field collected samples obtained during disease outbrea ...
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Claudio Afonso likes this technical article:
The importance of the microbiota in the gastrointestinal tract of animals is recognized to have an important role in host health and productivity. In this study, we sought to assess and characterize the microbiota in the feces of poultry chickens from several farms of 2 different integrators in the same geographical region of South America. These companies were changing AGP program to an AGP-free ...
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October 16, 2019
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Location:Jefferson, Georgia, United States
Profile: Academic / scientific