The present invention is directed to shelf-stable liquid egg material, methods for making the same, and method of using the same. The present invention is also directed to an animal feed supplement containing a stabilized IgY antibody titer in liquid eggs stored at room temperature for extended periods of time with the use of glycerol and preservatives. The stabilized liquid whole egg or stabilized liquid yolks of the egg containing non-specific or elevated specific IgY titer may be used as animal feed supplements animals to provide passive immunity to these animals. The stabilized nature of the IgY and liquid egg allows for extended shelf life of these liquid products at room temperature.