Male cows are commonly referred to as bulls. However, to provide a comprehensive explanation, it is important to understand the different stages of development in male bovines and the terminology used to describe them. In this response, we will explore the various terms used to describe male cows and their physical characteristics.

Firstly, it is important to note that the term “cow” technically refers only to female bovines that have given birth. However, in common usage, the term is often used more broadly to refer to any adult bovine.
Male bovines are typically referred to as bulls until they are castrated, which is the removal of the testicles. This is usually done at a young age, often between 6 and 12 months old, and the animal is then referred to as a steer. Steers are commonly raised for beef production because they have a more docile temperament and grow larger than bulls due to the absence of testosterone. They also produce more marbled and tender meat, which is highly valued in the beef industry.
Bulls, on the other hand, are primarily used for breeding purposes. They are sexually mature at around 12 to 15 months of age and can weigh up to 2,000 pounds or more. Bulls have a muscular and robust physique, with broad shoulders, a thick neck, and strong legs. They are also known for their distinctive hump on their shoulders, which is made up of a large muscle used for storing energy. This hump helps bulls to survive in harsh environments with limited food and water.
Bulls are equipped with a set of reproductive organs, including the testicles, penis, and seminal vesicles. The testicles produce sperm and the hormone testosterone, which is responsible for the development of male secondary sex characteristics, such as a deep voice and facial hair. Bulls also have a specialized reproductive organ called the penis sheath, which protects the penis when it is not in use. During mating, the bull’s penis protrudes from the sheath and enters the female’s reproductive tract.
In addition to bulls and steers, there are also other terms used to describe male bovines at different stages of development. For example, a male calf that has not been castrated is known as a bull calf, while a castrated male calf is called a steer calf. A young bull that has not yet reached sexual maturity is called a bullling or a yearling bull.
It is also important to note that there are different breeds of cattle, each with their own distinct physical characteristics and uses. For example, the Brahman breed is known for its humped appearance, while the Angus breed is known for its high-quality meat. The Charolais breed is known for its large size and rapid growth rate, while the Holstein breed is primarily used for dairy production.
In conclusion, male cows are commonly referred to as bulls, but this term is typically only used until they are castrated. After castration, they are referred to as steers. Male bovines have a muscular and robust physique, with broad shoulders, a thick neck, and strong legs. They also have specialized reproductive organs, including the testicles and penis sheath. There are also different terms used to describe male bovines at different stages of development, including bull calves, steer calves, bulllings, and yearling bulls.