HORTICULTURE SCIENCE
SEED PRODUCTION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Oyster broodstocks are maintained at a water temperature ranging from ____ in a controlled room.
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0-10 o c
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10-20 o c
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25-28 o c
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30-45 o c
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Explanation:
Detailed explanation-1: -In July and August, water temperature on these beds will reach 68 to 72 degrees Fahrenheit. At this temperature the oysters will spawn. They release sperm and egg into the water. The sperm and egg join, forming a spat (baby oyster).
Detailed explanation-2: -Broodstock is defined as a group of mature individuals used in aquaculture for breeding purposes. At the HPL oyster hatchery it means mature adult male and female oysters, which have been placed in floats and plunked into the cool waters of the laboratory’s tidal basin every fall.
Detailed explanation-3: -Oysters thrive in salinity that ranges from 14-28 ppt.
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