Download PDF by Rex A. Dunham: Aquaculture and Fisheries Biotechnology: Genetic Approaches

By Rex A. Dunham

ISBN-10: 0851995969

ISBN-13: 9780851995960

ISBN-10: 0851999530

ISBN-13: 9780851999531

The genetic development of fish for aquaculture and comparable fisheries is a box of analysis that has obvious tremendous advances in recent times. but there was no e-book which gives an available assessment of the topic previously. The ebook fills this hole within the literature. The contents contain polyploidy, sex-reversal and breeding, gene mapping and advertisement purposes.

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Extra info for Aquaculture and Fisheries Biotechnology: Genetic Approaches Animals Pets

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1987). Female triploid tench had large visceral fat deposits and males had fat deposits along the connective-tissue capsule (Flajshans, 1997). -H. , 1989b). The neutral lipid triglyceride was higher in the triploids and in the diploids during the non-spawning season in the belly and dorsal muscles compared with the diploids during the spawning season, but the glycolipid and the phospholipid phosphatidylcholine were lower for triploids and diploids of the non-spawning season compared with diploids in the spawning season.

1980). Polyploidy is one mechanism of speciation. , 1980). Although diploid, salmonids have tetraploid ancestry and sometimes still show vestiges of tetrasomic inheritance. , 1984). , 1999a,b). , 1999a,b,c). Temperature and salinity can affect the rate of induction of polyploidy in shellfish and invertebrates, specifically the geoduck clam, Panope abrupta (Vadopalas and Davis, 1998). The timing of the meiotic divisions and extrusion of the first and second polar bodies are different for fish and shellfish.

1999) examined muscle growth and development in mixed-sex and all-female diploid and triploid Atlantic salmon. Rate of somite formation at 6°C was the same for diploids and triploids. The rostral-to-caudal development of myotubes and acetylcholinesterase staining at the myosepta were slightly more advanced in triploids than in diploids. However, family differences were larger than the differences between triploids and diploids. Satellite cells are used in postembryonic growth, and they were more abundant in diploid than in triploid smolts.

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Aquaculture and Fisheries Biotechnology: Genetic Approaches Animals Pets by Rex A. Dunham

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