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Fistulated cattle are primarily used for studying what?

  1. Genetics

  2. Housing behaviors

  3. Nutrition

  4. Reproduction

The correct answer is: Nutrition

Fistulated cattle are primarily used for studying nutrition because the surgical creation of a permanent opening (fistula) in the side of the animal allows researchers to access the rumen directly. This access enables scientists to sample and analyze the contents of the rumen, which is crucial for understanding how nutrients are digested and absorbed by ruminant animals. Researchers can study various aspects of nutrition, including diet composition, fermentation processes, and the effects of different feed types on digestion and overall health. While genetics, housing behaviors, and reproduction are also important areas of study in livestock management, the unique features of fistulated cattle make them particularly valuable for detailed research into the nutritional processes specific to cattle, making it easier to conduct experiments that can improve feed efficiency and health outcomes in livestock production.