Farming Glossary

The average amount of weight an animal gains per day over a specific period. Used to measure growth efficiency and feedlot performance. Calculated as (end weight - start weight) / number of days.

A period when a female animal does not exhibit estrous cycles. Can be caused by nutrition, stress, lactation, or season. Common in beef cattle during late lactation.

The process of introducing semen into the reproductive tract of a female animal by means other than natural mating. Allows use of superior genetics without owning the bull.

A numerical rating (typically 1-9 for cattle) that assesses the amount of fat cover on an animal. Used to evaluate nutritional status and predict reproductive performance.

The period during which natural mating occurs. For beef cattle, typically 60-90 days. Controlled breeding seasons help manage calving distribution and labor.

The process of giving birth in cattle. Also refers to the period when calves are born. Calving management is critical for herd productivity and animal welfare.

To remove an animal from the breeding herd, typically due to poor performance, health issues, age, or reproductive failure. Culled animals are often sold for meat.

The period between when a dairy cow stops producing milk (drying off) and when she gives birth again. Important for udder health and milk production in the next lactation.

Difficult or abnormal birth. Can be caused by calf size, cow size, malpresentation, or other factors. Requires prompt intervention to prevent injury or death.

The recurring physiological changes in female mammals. In cattle, the cycle averages 21 days. Understanding the cycle is essential for successful breeding management.

The period in the estrous cycle when the female is receptive to mating. In cattle, heat typically lasts 12-18 hours. Detecting heat accurately is critical for breeding success.

The ratio of feed consumed to weight gained. Lower FCR means more efficient conversion. Key metric for feedlot performance and profitability.

The period of development from conception to birth. In cattle, gestation averages 283 days (about 9.5 months). Varies slightly by breed.

A young female cow that has not yet borne a calf. Usually bred for the first time between 12-15 months of age, depending on the operation's goals.

A planned, systematic approach to preventing and managing disease in a herd. Includes vaccination schedules, parasite control, nutrition management, and regular veterinary oversight.

A growth-promoting device placed under the skin of the ear in cattle. Contains hormones that increase rate of weight gain. Common in feedlot operations.

The intramuscular fat within a cut of beef, visible as white flecks. Higher marbling scores (Quality Grade) indicate better taste and tenderness. Measured at the ribeye.

Inflammation of the mammary gland, usually caused by bacterial infection. A major concern in dairy operations. Detected through somatic cell count testing.

Desired genetic characteristics in breeding animals. Examples include calving ease, maternal ability, growth rate, and carcass quality.

The level of nutrition an animal receives. High, medium, or low nutritional planes affect growth rate, body condition, and reproductive performance.

Land covered with grass and other plants used for grazing livestock. Pasture management includes rotational grazing, stocking rates, and forage quality.

The process of determining whether a female animal is pregnant. Usually performed by rectal palpation or ultrasound 30-45 days after breeding.

The total amount of feed offered to an animal in a 24-hour period. Designed to meet the animal's nutritional requirements for maintenance, growth, lactation, or reproduction.

An animal with a four-chambered stomach (rumen, reticulum, omasum, abomasum) that digests plant-based food through microbial fermentation before enzymatic digestion. Includes cattle, sheep, and goats.

The male parent of an animal. In breeding programs, sire selection is critical for improving herd genetics in areas like growth, carcass quality, and maternal traits.

The number of animal units per acre of pasture. Depends on forage production, soil type, climate, and management system. Overstocking leads to pasture degradation.

Feed added to a forage-based diet to meet nutritional deficiencies. Common supplements include protein blocks, mineral mixes, and energy concentrates.

The process of separating a calf from its mother and transitioning it to solid feed. Typically occurs at 6-8 months of age in beef cattle.

The time required between the last administration of a medication and when the animal can be slaughtered for food or its products (milk) can be consumed. Critical for food safety compliance.

A disease that can be transmitted from animals to humans. Examples include brucellosis, leptospirosis, and ringworm. Biosecurity measures help prevent zoonotic diseases.