Reproductive quality of male Penaeus monodon
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The reproductive performance of unilaterally eyestalk-ablated wild male Penaeus monodon was compared with that of unablated prawns (controls). After being stocked for 6 weeks in flow-through tanks, ablated males showed significantly higher sperm count (153.6 × 106 vs.77.5 × 106), less abnormal sperm (45.5% vs 73.3%), larger sperm head diameter (6.682 μm vs. 5.568 μm) and longer spike (5.096 μm vs. 4.360 μm) compared to unablated ones. Gonad index, spermatophore weight and percentage of live sperm were not significantly different between ablated and unablated males. No apparent decline in reproductive capacity was detected when comparing unablated prawns at the start of the study and after 6 weeks.
Suggested CitationGomes, L. A. O., & Honculada-Primavera, J. (1993). Reproductive quality of male Penaeus monodon.
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Piedad-Pascual, Felicitas (Philippine Council for Aquatic and Marine Research and Development, 1989)This paper echoes what transpired during the first International Conference of Penaeid Prawns/Shrimps held in Iloilo City in December 4-7, 1984, particularly on the Nutrition nd Feed Development. Around 25 papers were ...
Primavera, J. H. (Elsevier, 1998)A total of 4845 penaeids belonging to nine species—Metapenaeus anchistus, M. ensis, M. moyebi, M. philippinensis, Penaeus merguiensis, P. monodon, P. semisulcatus, P. latisulcatus and Metapenaeopsis palmensis—were collected ...
Piedad-Pascual, F. (Institut Francais de Recherche pour l'Exploitation de la Mer, 1990)Marine shrimps absorb minerals from their aquatic environment aside from the minerals that come from the food they eat. Thus, the dietary requirement of shrimps for certain minerals will depend on the amounts and availability ...