gestation period for canada geese
Incubation Duration. Incubating goose eggs should be done for a period of about 28 days for smaller breeds, and up to 35 days for larger breeds before pipping begins. Once goose eggs begin hatching, the process can take up to three days before they are completely out of their shell.ncubation Duration. Incubating goose eggs should be done for a period of about 28 days for smaller breeds, and up to 35 days for larger breeds before pipping begins. Once goose eggs begin hatching, the process can take up to three days before they are completely out of their shell.