Gapeworms are common in young, domesticated chickens and turkeys. When the female gapeworm lays her eggs in the trachea of an infected bird, the eggs are coughed up, swallowed, then defecated.hen birds consume the eggs found in the feces of an intermediate host such as earthworms, snails (Planorbarius corneus, Bithynia tentaculata and others), or slugs, they become infected with the parasite. The drug Ivermectin is often used to control gapeworm infection in birds.
Maguire and colleagues reported that Avastin delivered monthly cost an average of $595 and Lucentis cost $23,400. If the drugs were taken only as needed, rather than on a monthly basis, the cost dropped for both drugs, but Avastin was still the bargain choice: $385 for the year of treatment compared with $13,800.f the drugs were taken only as needed, rather than on a monthly basis, the cost dropped for both drugs, but Avastin was still the bargain choice: $385 for the year of treatment compared with $13,800.
If a patient gets 12 eye injections in a year, the doctor will make $650 more per patient if they use Lucentis over Avastin. Similarly, there is no financial incentive for Genentech to sell less Lucentis and more Avastin.When Avastin is used to treat cancer patients, it is often delivered at more than 100 times the dose needed for an eye injection, and a full course of Avastin treatment for cancer can cost up to $50,000 per patient.he switch could also save patients $5 billion in insurance copayments, according to a new study in Health Affairs. Ranibizumab, more commonly known by its brand name Lucentis, is delivered as an injection to the eye and runs about $2,023 per dose.