Tag: fecundity

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Maturation and Spawning of Green – Rough – Back Pufferfish, Lagocephalus lunaris

Maternity, spawning, and fecundity studies are critical for estimating a population’s reproductive potential as well as fishery management. The maturation and spawning of the puffer fish Lagocephalus lunaris was documented in Visakhapatnam from January 2008 to December 2009 in order to better understand the population’s reproductive capacity. Males are smaller than females, according to the…
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October 19, 2021 0

Reproductive Aspects of Poecilia sphenops in a Reservoir at Morelos State, Mexico

Poecilia sphenops is a native species recently reported to be widespread and widely distributed in the Balsas basin and the Amacuzac River in Morelos (Mexico). This research studied some aspects of Poecilia sphenops reproductive biology from the Emiliano Zapata reservoir in Central Mexico. Specimens were collected from January to December 2006 using a 20 m-long…
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December 29, 2020 0

Investigating the Effects of Host Grains on the Rice Weevil, Sitophilus oryzae (L.)

The present study was conducted to observe the effect of host preference on Sitophilus oryzae, the most cosmopolitan pest that causes severe losses in rice, maize, barley, wheat, on ovipsis, adult emergence, adult body length, longevity and sex ratio. Investigations into the production of S. were carried out. Oryzae in laboratory conditions on the four…
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November 14, 2020 0

Recent Studies on the Longevity and Fecundity of Gasteroclisus rhomboidalis (Coleoptera: Curculionidae) on Amaranthus Species

Both the cultivated and the wild spinach (Amaranthus species) have been found to be host to an important beetle pest Gasteroclisus rhomboidalis. The longevity of the beetles was studied under a variety of conditions. It was observed that the life span of the beetles varied widely with the beetles capable of leaving up to 70…
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September 23, 2020 0