Dr. David Alves

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  www.betterfarming.com/nov99/as02-1.htm - [Cached Version]
  Published on: 4/1/2002    Last Visited: 4/4/2007  

  On the other hand, it's not easy to determine where the disease came from, says David Alves, provincial veterinarian with the Ontario Ministry of Agriculture and Food."Animals can go dormant or hide symptoms for many years," Alves says."It's a difficult one."Bio-security remains a top priority, he says.

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  www.betterfarming.com/nov99/dairy-d1.htm - [Cached Version]
  Published on: 12/1/1999    Last Visited: 10/10/2007  

  One in Three Plans to Expand A recent survey revealed that one dairy producer in three plans to expand operations in the next five years, says David Alves, Fergus-based epidemiologist for the Ontario agriculture ministry.Another 20 per cent are undecided about expansion, while about 50 per cent have no plans to put more cows in the barn.
  
  Alves asked the question about expansion to farmers who are taking part in the Ontario Dairy Farm Accounting Project (ODFAP).
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  Alves is particularly interested in the expansion question because of its implications for herd health.As an epidemiologist he studies patterns of disease in animals.He is concerned that with expansion, there might be an increase in diseases as farmers bring more animals into their herds without taking proper precautions.

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  Better Farming - Dairy - December 1, 1999 - [Cached Version]
  Published on: 12/1/1999    Last Visited: 3/18/2001  

  One in Three Plans to Expand A recent survey revealed that one dairy producer in three plans to expand operations in the next five years , says David Alves , Fergus-based epidemiologist for the Ontario agriculture ministry.Another 20 per cent are undecided about expansion , while about 50 per cent have no plans to put more cows in the barn.
  
  Alves asked the question about expansion to farmers who are taking part in the Ontario Dairy Farm Accounting Project ( ODFAP ) .The results of the survey were published last month in Ceptor , a newsletter sent to animal health professionals.
  
  The ODFAP project is considered a solid indication of what is going on in the dairy industry in Ontario.Every year just over 100 dairy farmers fill out an extensive questionnaire that is used to develop a consistent pattern of production on which policy , research and extension can be based.Many of the questions are financial.The information gathered during the survey is also used nationally to develop a cost-of-production formula.
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  Alves is particularly interested in the expansion question because of its implications for herd health.As an epidemiologist he studies patterns of disease in animals.He is concerned that with expansion , there might be an increase in diseases as farmers bring more animals into their herds without taking proper precautions.

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  Better Farming - stories August/September 2002 - [Cached Version]
  Last Visited: 10/17/2002  

  On the other hand, it's not easy to determine where the disease came from, says David Alves, provincial veterinarian with the Ontario Ministry of Agriculture and Food."Animals can go dormant or hide symptoms for many years," Alves says."It's a difficult one."Bio-security remains a top priority, he says."Unfortunately that's the way it is these days."
  
  Most of the 35 reportable diseases are transmitted from cattle themselves or from people who work with cattle.Whenever you bring new cattle in or board cattle, or have visitors from cattle farms, you have to be aware of the risks to biosecurity, he says."We can debate all day on the peripheral causes.Most of the time the diseases come from cattle themselves.

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  Better Pork - August 2005 - [Cached Version]
  Published on: 8/1/2005    Last Visited: 9/4/2005  

  "The diagnostic lab at Guelph can do some pretty great things if they are given the right resources," says Dr. David Alves, assistant chief veterinarian for Ontario.

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  CAHI - Canadian Animal Health Institute - Contacts... - [Cached Version]
  Published on: 4/18/2006    Last Visited: 8/23/2009  

  Dr. David Alves, Manager - Veterinary Science and Policy Téléphone: (519) 826-3127 Télécopieur: (519) 826-3254 Adresse électronique: david.alves@ontario.ca

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  CAHI - Canadian Animal Health Institute - Provincial... - [Cached Version]
  Published on: 8/23/2009    Last Visited: 8/23/2009  

  Dr. David Alves, Manager - Veterinary Science and Policy Phone: (519) 826-3127 Fax: (519) 826-3254 E-mail: david.alves@ontario.ca

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  Canadian Animal Health Network - [Cached Version]
  Published on: 6/25/1998    Last Visited: 11/22/2001  

  - David Alves
  
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  David Alves, OMAFRA Provincial Government 519-846-0965

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  Colorado experiments on humans - [Cached Version]
  Published on: 2/14/1998    Last Visited: 1/28/2006  

  OMAFRA epidemiologist David Alves was quoted as saying, "Once it's diagnosed it's something the federal government comes down quite hard on, because we don't want it being transmitted.They have quite a quick eradication process. ... It's a brain disease, and with the occurrence of mad cow disease people are quite sensitive to that issue."
  
  The story adds that scrapie is a reportable disease, so when a shepherd or veterinarian suspects its presence the CFIA must be notified.
  
  Alves was cited as saying the disease has existed at a low level in the Ontario sheep population for years, and is among the livestock conditions monitored through the Ontario Animal Health Surveillance Network, a group linking veterinarians and animal health specialists, including the University of Guelph's Animal Health Laboratory.

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  Foot and Mouth Disease - [Cached Version]
  Published on: 3/12/2001    Last Visited: 8/27/2007  

  Or, contact Dr. David Alves, Provincial Veterinarian with OMAFRA, at 519-826-3127.

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