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Eficiencia reproductiva de las hembras de Otobius megnini (Acari: Argasidae)

Authors: Herrero, Marco V.;

Eficiencia reproductiva de las hembras de Otobius megnini (Acari: Argasidae)

Abstract

To evaluate the reproductive efficiency of Otobius megnini (Dugea) females we conducted a study under constant conditions in the laboratory. Mean nutrient weight was 58.9 ± 15.4 mg, nutrient index was 59.6 ± 9.8%, reproductive efficiency index (R. E. I.) was 6.8 ± 1.6 eggs/mg, and the consersion efficiency index (C. E. I) was 277.3 ± 67.4 ug/mg. A positive correlation between egg quantity (number and masa) and nutrient weight was found. Egg laying dynamics was characterized by a preoviposition period of 3.2 ± 1.4 days and an oviposition period of 105.4 ± 18.1 days with 20.0 ± 4.8 ovipositions per female. The total number of eggs per female was 856 ± 225 and the total masa weight per female was 34.6 ± 8.9 mg. The mean egg weight was 43.9 ± 11.0 ug and incubation period was 18.1 ± 2.5 days with 38.95 ± 15.85 percent hatched.

Se evaluó la eficiencia reproductiva de las hembras de Otobius megnini en condiciones constantes en el laboratorio. El peso nutriente promedio fue 58.9 ± 15.4 mg, el índice nutriente fue 59.6 ± 9.8%, el índice de eficiencia reproductiva (I.E.R.) fue 6.8 ± 1.6 huevecillos/ mg y el índice de eficiencia de conversión (I.E.C.) fue 277.3 ± 67.4 ug/mg. Se demostró una correlación positiva entre la cantidad de huevecillos (masa o número) y el peso nutriente.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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