Veterinary Technician Practice Exam

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What is the average gestation length for a dog?

30 days
63 days
90 days
120 days

The correct answer is: 63 days

The average gestation length for a dog is approximately 63 days. This timeframe can vary slightly depending on the individual dog and the specific breed, but 63 days is the widely accepted average. Understanding this duration is crucial for those involved in breeding, veterinary care, and the overall health management of pregnant dogs. The other durations mentioned do not align with the typical gestation period for dogs. For example, 30 days is significantly shorter than what is observed, while 90 days is more in line with the gestation period of larger animals, such as some species of livestock. A gestation period of 120 days generally applies to larger mammals rather than canines. Thus, the designation of 63 days as the average gestation period is accurate and reflects the standard observed in canine reproduction.