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The Egg


An egg, to the unitiated observer, may seem a simple reproductive method. An egg nevertheless is an extremely complicated structure and contains many intricate parts which collectively enable the egg to hatch through incubation processes. It is, of course, essential that an egg contains all the nutritional requirements necessary to allow a growing chick to hatch, if all these ingredients are not present, then obviously the chick will fail to hatch and the common term ‘dead in shell’ will prevail. It is therefore important that birds have an adequate diet to ensure that this phenomenon is reduced considerably. As there are adequate descriptions of structure of an egg in other avicultural books, I will not cover the subject here and will concentrate on the practical aspects of incubation. Parrots lay eggs with no colour, i.e. white. It is generally felt the eggs are white because parrots lay in hollow trees which tend to be dark areas and she can see the eggs when entering the nest. The egg shell is formed in such a way that it is difficult to enter from the outside but relatively easy to exit for the chick from the inside. The egg shell contains pores that allow moisture and gases to escape. Unfortunately, it is also possible for bacteria to enter through the same pores if the shell goes through a series of cooling. Egg shells also can be accidentally punctured by the hen’s nail or cracked by a descending blow when the hen enters the nest. These eggs will invariably fail to hatch as bacteria will enter. The albumen or egg white consists of three proteins. Globulin, mucins and albumen. The egg yolk contains proteins and fats which will be consumed by the growing embryo and will form the main source of nutrition. The embryo begins to develop before the laying of the egg.

 

 

THE TEXT ABOVE IS FROM "PARROT INCUBATION PROCEDURE AND HAND FEEDING" A PARROTCARE PUBLICATION FOR MORE INFORMATION CLICK HERE

 
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