Pig farming

People raise pigs on farms.

Some pigs live in large buildings. Others live outside in pens.

Pigs can be used for many things. We use them for meat like ham. We also use their skin for clothes.

Farmers must be kind to pigs. Moving slowly helps pigs feel safe. If pigs feel fear, they get stressed.

Stress can make pigs sick. It can also make them grow slowly. This makes it hard to farm.

Many lands trade pigs with each other. China eats a lot of pork.

It is a very big part of their food.

Pig farming is the way people raise and breed domestic pigs.

People use pigs for many things. They provide meat like pork, bacon, and ham. Their skins are used for clothes. Their fat and other parts are used for medicine and makeup.

There are many ways to farm pigs. Some live in large, indoor buildings. These buildings use machines to control the air. Other pigs live in pens outside. In the past, pigs lived close to people in small villages. They even ate food waste from homes.

How farmers treat pigs is very important. Pigs are curious animals. They like it when people move slowly. They also like to hear voices. If a person moves too fast, pigs may feel fear. This fear can cause stress. Stress can make pigs sick or slow their growth.

Many countries trade pigs. China is a very big buyer of pork. In fact, China eats about half of the world's pork. The United States, Canada, and the European Union are big sellers.

Pigs are often cheaper to buy than beef. This is because pigs do not need as much food to grow.

Pig farming is the way people raise and breed domestic pigs.

People use these animals for many different things. They provide meat like pork, bacon, ham, and gammon. Their skins are used to make clothing. Even their fat is used for medicine and cosmetics.

This work is a part of animal husbandry. It is a very large global industry. More than one billion pigs are butchered every year. In the United States alone, 100 million pigs are butchered annually.

There are several ways to manage a pig farm. Some use intensive commercial units with large numbers of pigs. These pigs often live in climate-controlled buildings. Other farmers use free range or extensive farming styles. In these styles, pigs might wander around a town. They might also live in a simple pen outside a house. Historically, pigs were kept in small numbers near a home. They were valued for turning food waste into meat and manure.

How a person treats a pig matters a lot. The way a handler acts affects the animal's welfare. Pigs are very curious animals. They respond well to slow and deliberate movements. They also like verbal interaction and being patted on the back. However, fast movements can cause fear and stress. Negative actions like hitting or using electric tools cause stress. This stress can lead to sickness or slower growth.

Keeping pigs calm helps them grow better and stay healthy.

Many countries trade pigs across the world. China is a very important part of this trade. China consumes about 50 percent of the global pork production. In 2021, the total pork consumed in China was 57 million tons. Because they eat so much, China is a net importer. This means they buy more pigs than they grow. The United States, Canada, and the European Union are the largest exporters. For example, Canada exported over half of its 22.8 million pigs in 2008.

Farming pigs also has effects on the environment and people. Waste from large farms can carry bacteria and heavy metals. This waste can sometimes reach groundwater or nearby water. This can cause problems like harmful algal blooms. People living near large farms might feel sick. They may have headaches, nausea, or trouble breathing. This is often due to fumes or air particles from the waste.

Scientists and researchers work to find better ways to manage these farms.

Pig farming, also known as hog or swine production, is a specialized branch of animal husbandry.

This practice involves the raising and breeding of domestic pigs as livestock. People farm these animals primarily for food products like pork, bacon, ham, and gammon. Beyond meat, pigs provide skins for clothing and fat for cosmetics or medical use. The industry is massive, with over one billion pigs butchered globally each year. In the United States alone, the annual number reaches approximately 100 million.

Farmers use several different styles to manage their livestock. Intensive commercial units are the most popular method today. These facilities are often highly cost-efficient and use climate-controlled buildings to house thousands of pigs. Other methods include commercial free-range enterprises or extensive farming. In extensive systems, pigs might wander through a village or stay in a simple outdoor pen. Historically, pigs were kept in much smaller numbers near a person's home. They were valued for their ability to convert household food waste into meat and manure.

Understanding the specific terminology of pig farming helps clarify the different stages of life. A young, unweaned pig is often called a piglet or a shoat. A piglet that is currently nursing from its mother is known as a sucker. Once it is separated from the sow, the mother, it becomes a weaner. Pigs are also categorized by their gender and age. A male pig of breeding age is a boar, while a male castrated before puberty is a barrow. Females are called gilts if they have not yet had their first litter.

Global trade plays a massive role in how pigs are moved around the world. China is a central player in this international market. The country consumes about 50 percent of the world's pork production. In 2021, China's pork consumption reached 57 million tons. Because they consume so much, China is a net importer of pigs. To keep prices stable, the Chinese government maintains a strategic pork reserve. They release pork into the market when prices are too high. They also buy pigs when prices are too low to protect farmers' profits.

Major exporters include the United States, the European Union, and Canada. Canada provides a great example of this large-scale trade. In 2008, Canada exported more than half of its 22.8 million pigs. These exports went to 143 different countries. Economically, pigs have a lower feed conversion ratio than cattle. This means it costs less feed to produce a kilogram of pork than beef. Because of this efficiency, pork is often more affordable for consumers at the retail level.

How handlers interact with pigs significantly impacts animal welfare and production. Pigs are curious animals that respond well to slow, deliberate movements and verbal interaction. Positive handling, such as letting a pig approach to smell a hand, reduces stress. Conversely, negative interactions can cause fear and high cortisol levels, which is a stress hormone. Examples of negative handling include using electric goads or making fast, sudden movements. High stress can lead to immunosuppression, making pigs more likely to get sick. It can also lead to slower growth rates in the animals.

Modern farming faces challenges regarding animal health and environmental impact. In confinement systems, sows can produce about 23.5 piglets per year. However, death rates for sows in the U.S. rose from 5.8 percent to 10.2 percent between 2013 and 2016. Some of this is linked to breeding practices. In the late 1980s, pigs were bred to gain weight very quickly. Today, they are often bred to have less backfat, which can cause health issues like prolapse.

Large-scale operations, known as Concentrated Animal Feed Operations or CAFOs, also affect the surrounding environment. Waste from these farms can contain pathogens, bacteria, and heavy metals. If not managed, this waste can leach into groundwater or cause harmful algal blooms in water bodies. People living near these farms may experience symptoms like headaches, nausea, or respiratory issues. These health problems are often caused by fumes or air particles from the waste.

Scientists continue to research ways to improve both animal health and environmental safety.