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Spermatozoa of artificially induced triploid red sea bream Pagrus major Temminck and Schlegel

, : Spermatozoa of artificially induced triploid red sea bream Pagrus major Temminck and Schlegel. Fisheries Science 61.2: 355-356

The spermatozoa of the artificially induced triploid red sea bream Pagrus major (Temminck and Schlegel) were studied from morphological and genetic aspects. Total milt volume of the triploid was one-tenth as much as that of the diploid. Head length of the triploid spermatozoa (2.7 plus or minus 0.81 mu m) was 35% larger than that of the diploid (2.0 plus or minus 0.31 mu m). The mobility of the triploid spermatozoa could be hardly observed. The abnormality was seen in the triploid spermatozoa at a high frequency (29.3%), while it was rare in those of the diploid (0.5%). They were double heads, head malformation, multiflagella and the abnormal position of mitochondria onto a head. In flow cytometry, differing from the cases in other artificial triploid fishes (e.g., Oncorhynchus mykiss), the peak of the DNA content of the triploid spermatozoa was N, 2N, 3N, 6N and 7N, while that of the diploid was N.


Other references

Ries W., 1970: Physiological death. Naturwissenschaftliche Rundschau 23(10): 426-429

Band, H.T.ent; Baechli, G.; Band,, 2005: Behavioral constancy for interspecies dependency enables Nearctic Chymomyza amoena Loew Diptera Drosophilidae to spread in orchards and forests in central and southern Europe. Nearctic Chymomyza amoena, an eastern US forest drosophilid, was initially known only to breed in damaged or parasitized nuts and had been little studied. It has been spreading in Europe since its discovery in the former Czechoslovakia in 1975. By...

Fronte, B.; Paci, G.; Bagliacca, M., 2005: Organoleptic meat comparison of wild and differently farmed sea basses (Dicentrarchus labrax) evaluated by a triangular test. Organoleptic differences between the meat of sea basses of different origin (same marketable size and different ages) were analysed of by mean of a triangular test. The sea basses used in the trial were captured from the fishes living in wildlife...

Voznesenskaya N.L.; Gatin R.M., 1977: The use of technical means for teaching human anatomy. Meditsinskii Zhurnal Uzbekistana 11: 67-69

Bossom, J., 1972: Time of recovery of voluntary movement following dorsal rhizotomy. Brain Research 45(1): 247-250

Morgan D.A.O., 1974: Metalliferous potential of the United Kingdom. Proceedings of the Royal Society of London, Series A: Mathematical and Physical Sciences 339(1618): 289-297

Reed Ralph Daniel, 1930: Sedimentational research on the Pacific coast, 1928-29. 92(98): 65-68 1930

Gromadziński, L.; Januszko-Giergielewicz, B.; Pruszczyk, P., 2014: Hypocalcemia is related to left ventricular diastolic dysfunction in patients with chronic kidney disease. Left ventricular (LV) diastolic dysfunction in patients with chronic kidney disease (CKD) is of a complex nature and is the predominant cause of congestive heart failure in this group of patients. This work aimed to evaluate the potential effect o...

Trabelsi Ali, 1989: Internal structural elements and mineralogy of Paleozoic stromatoporoids. Abstracts with Programs - Geological Society of America 21(6): 160-161

Gérard, P., 2013: Metabolism of cholesterol and bile acids by the gut microbiota. The human gastro-intestinal tract hosts a complex and diverse microbial community, whose collective genetic coding capacity vastly exceeds that of the human genome. As a consequence, the gut microbiota produces metabolites from a large range of mo...