Claims
- 1. A poultry virus isolate having the identifying characteristics of an isolate selected from the group of F57-7, Texas RB 3, and Texas RB 4.
- 2. A poultry vaccine utilizing at least one of the poultry virus isolates of claim 1.
- 3. A vaccine suitable for immunizing chickens against proventriculitis syndrome comprising an IBD virus having the identifying characteristics of an isolate selected from the group of F57-7, Texas RB 3, and Texas RB 4, and combinations or variants thereof.
- 4. The vaccine of claim 3 defined further as containing an attenuated, modified, inactivated, or killed form of the isolate.
- 5. A method of protecting a chicken from clinical signs of proventriculitis syndrome or disease caused by a virus having all of the identifying characteristics of an isolate selected from the group of F57-7, Texas RB 3, and Texas RB 4, comprising administering an effective amount of the vaccine of claim 3 to at least one of an egg or a chicken.
CROSS REFERENCE TO RELATED APPLICATION
[0001] This application is a continuation-in-part of U.S. provisional application Ser. No. 60/076,136, filed Feb. 27, 1998.
Provisional Applications (1)
|
Number |
Date |
Country |
|
60076136 |
Feb 1998 |
US |