I agree with everyone above. Some dogs are more sensitive than others. My Teddy cannot eat a tiny piece of scrambled egg without throwing up. I would never try beef with him. Chicken only.
Buy a scale for home use. It is helpful for monitoring health for small dogs. I have this one and it is very accurate (shop around, because I know I got a much better price):
Amazon.com: Health o Meter Grow with Me Baby and...