* Breed Variation: Like all breeds, there's individual variation within Polled Herefords. Some cows may be more prolific breeders than others.
* Management Practices: How many calves a cow has is influenced by things like:
* Age: Cows generally reach peak fertility in their mid-teens and decline after that.
* Nutrition: Healthy cows with good nutrition are more likely to conceive and carry calves to term.
* Breeding Practices: Farmers may choose to breed cows only once a year or more frequently depending on their goals.
* Health: Illness or injury can affect fertility.
Average: While there's no fixed number, most cows, including Polled Herefords, will have a calf each year, sometimes with twins occurring less frequently.
Important Note: The number of calves a cow has isn't the only measure of her productivity. Factors like milk production, calf growth rates, and temperament are also important.