Conversely, those found in Indonesia and the Philippines are hatchery-bred and fall roughly two millimeters smaller in size. The South Sea quality tends to be more expensive than that of the Akoya, so grouping them together in large matched strands is less practical. South Sea pearls are more...
Different age groups (60–100 mm TL) were stocked (glass aquaria, 500 L) in outdoor transparent roofed hatchery at water temperature 29 ± 1 °C for pair formation. After 6 months of rearing, 4 pairs were formed. The size of the female ranged from 60 to 90 mm and ...
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New hatchery management strategies in the Columbia River Basin focus on conservation of naturally spawning populations as an equal priority to providing fish for harvest-a difficult balance to achieve. The Hatchery Scientific Review Group (HSRG) assessed 178 hatchery programs and 351 salmonid ...
(368) Pre-spawn mortality in coho salmon of hatchery origin: So what?Labenia, J