What type of fluid do the bulbourethral glands produce in boars?

The bulbourethral glands, also known as Cowper's glands, in boars produce a gel-like fluid that plays a crucial role in the reproductive process. This fluid acts as a lubricant and helps to neutralize any acidity in the urethra, creating a more favorable environment for sperm passage during ejaculation. The gel-like nature of the fluid is particularly important, as it aids in the formation of a semen plug, which can help in keeping the sperm protected and enhancing its chances of fertilizing an egg.

This characteristic of the bulbourethral gland's secretion is specifically adapted to the reproductive needs of boars, differing from the types of fluids produced by similar glands in other animals. Understanding the role and composition of this fluid can provide valuable insights into swine reproduction and management practices.