oyster nghĩa là gì

Ví dụ về oyster

• More importantly, the strong host response produced by oysters against parasites seems to be the principal factor structuring metazoan parasite communities of oysters.

• The host response against parasites is suggested as the principal factor responsible for depauperate parasite communities of oysters.

• Each tray was split into two parts and contained 100 oysters from two different families.

• After inoculation, both challenged and control oysters were left overnight, out of seawater, to promote retention of the parasites, and then returned to seawater.

• Copepods were rinsed in filtered sea water and were directly added in tanks containing uninfected oysters.

• We therefore cannot assume that experimental conditions were optimal for transmission of the parasite from oysters to copepods.

• The dead oysters were found to have light to moderate infection.

• Four oysters out of 90 died among the challenged group but no mortality was observed among the control group.