It takes 2-3 weeks for hookworm larvae to mature and begin producing eggs. For this reason, fecal examination may be less reliable in very young puppies than in adult dogs. Adult hookworms are small in size and firmly attach to the intestinal wall, which is why they are rarely detected in stool.
How long is a hookworm life cycle?
Life Cycle Most adult worms are eliminated in 1 to 2 years, but the longevity may reach several years. Some A. duodenale larvae, following penetration of the host skin, can become dormant (hypobiosis in the intestine or muscle). These larvae are capable of re-activating and establishing patent, intestinal infections.
How big do hookworms grow?
Adult hookworms. Adult hookworms reside in the small intestine of their hosts. A. duodenale males measure approximately 8—12 mm long, and females measure approximately 10—15 mm long.
How do hookworms grow?
How is hookworm spread? Hookworm eggs are passed in the feces of an infected person. If an infected person defecates outside (near bushes, in a garden, or field) or if the feces from an infected person are used as fertilizer, eggs are deposited on soil. They can then mature and hatch, releasing larvae (immature worms).
How long does it take for hookworm to hatch?
Assuming the embryo reaches suitable soil, it grows and hatches in 24 to 48 hours as an immature, noninfective larva. After two to three days it molts and develops into a mature, infective, nonfeeding larva.
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