Poultry Judging Practice Test

What part of a hen's body is the first to bleach after she starts to lay eggs?

1. Wattle

2. Comb

3. Vent

4. Beak

The correct answer is: Vent

The correct answer is the vent. The vent is the anatomical opening through which the hen lays eggs and also where excretory waste is expelled. When hens begin to lay eggs, their body undergoes various physiological changes. As part of these changes, the pigmentation in certain areas begins to fade, which is known as “bleaching.” The vent is the first area in hens to show this bleaching effect because it is directly involved in the reproductive process. In contrast, while the wattle, comb, and beak may also exhibit changes in coloration over time due to the hen’s hormonal changes, they do not bleach as quickly or prominently as the vent does. This physiological response is a useful indicator for poultry handlers and farmers to determine the laying status of hens, further emphasizing the importance of monitoring the vent for signs of laying activity. This knowledge is crucial for effective poultry management and ensures that hens are being cared for according to their reproductive health needs.