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dc.contributor.authorRodríguez-González, Hervey-
dc.contributor.authorVillarreal, Humberto-
dc.contributor.authorGarc´ıa-Ulloa, Manuel-
dc.contributor.authorHern´andez-Llamas, Alfredo-
dc.description.abstractThe effect of three crude dietary lipid levels (4, 8, and 12%) on egg quality of the female redclaw crayfish, Cherax quadricarinatus, was evaluated. Three replicate groups of 40 crayfish (mean initial weight ± SD, 23.0 ± 3.0 g) per diet treatment were stocked in 15,000 -L tanks, at 28 C. After 75 d of culture, there were significant differences (P <0.001) in egg area (3.52–3.90 mm2), volume (34.0–39.3 mm3), weight (4.81–5.36 mg), and diameter (2.15–2.27 mm) in response to dietary lipids in the diet. Using the quadratic equation, the maximum responses of these parameters corresponded to lipid levels from 8.60–8.84%. There were no significant differences (P >0.05) in survival (82.1–86.9%), final weight (41.0–43.7 g), number of spawning females (18.12–27.38%), and fecundity (9.07–10.31 eggs/g female). Additionally, there were no significant differences (P >0.05) in egg mean protein (2306.87 ± 440.08 μg/egg), lipid (441.95 ± 83.23 μg/egg) and carbohydrate (74.81 ± 10.12 μg/egg) contents, and energy (13.49 ± 2.25 kcal/egg). The optimum overall response was obtained for dietary lipid content of 8.7%, which we recommend to optimize egg quality of this freshwater crayfish.es
dc.description.sponsorshipInstituto Politécnico Nacional CIIDIR - Sinaloaes
dc.titleDietary Lipid Requirements for Optimal Egg Quality of Redclaw Crayfish, Cherax quadricarinatuses
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