Factors that influence the cow gestation period Pregnancy testing: Various methods, such as rectal palpation, ultrasound, or blood tests, can be used to confirm pregnancy accurately. Changes in udderĪs the pregnancy progresses, the udder may start to enlarge and become firmer. Pregnant cows may exhibit calmer behavior, decreased activity levels, and increased social interaction with other cows. If a cow does not come into heat during its expected cycle, it can be a strong indication of pregnancy. While physical examination by a veterinarian is the most accurate method, there are several signs that can indicate pregnancy: Absence of heat cycles It is crucial for farmers to closely monitor the cow during this stage to ensure a smooth and safe delivery.ĭetermining whether a cow is pregnant is essential for effective herd management. The ligaments around the tailhead and pin bones start to relax, allowing for easier calving. During this time, the cow’s udder begins to swell as it prepares for milk production. The pre-calving stage occurs in the last few weeks of pregnancy. The mother’s body adjusts to support the growing fetus by providing the necessary nutrients and hormones. The fetal development stage lasts for approximately seven months.ĭuring this period, the fetus undergoes significant growth and development, including the formation of organs, bones, and muscles. Once the embryo is implanted, it starts to develop into a fetus. During this stage, the embryo develops rapidly, and the placenta begins to form. This process, known as implantation, occurs within the first week after fertilization. Early Embryonic DevelopmentĪfter successful mating or artificial insemination, the fertilized egg travels to the cow’s uterus and implants itself into the uterine wall. Similar to humans and other mammals, cow pregnancy can be divided into three main stages: early embryonic development, fetal development, and pre-calving.
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