Ovulation and oocyte resorption in Acridoidea (Orthoptera)

This study constitutes the first report of the gametogenic cycle of the scleractinian coralsSolenastrea bournoniandStephanocoenia intersepta. Tissue samples were collected near Ft. Lauderdale, Florida, USA between July 2008 and November 2009 and processed for histological examination in an effort to determine reproductive mode and potential spawning times. BothS. bournoniandS. interseptaare gonochoric, broadcast spawning species. Gametogenesis ofS. bournonibegan in April or May whileS. interseptahad a much longer oogenic cycle that began in December with spermatogenesis beginning in July. Though spawning was not observedin situ, spawning was inferred from the decrease of late stage gametes in histological samples. In addition, histological observations of oocyte resorption and released spermatozoa were used to corroborate spawning times. Data indicate thatS. bournonispawns in September whileS. interseptaspawns after the full moon in late August or early September.

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The dynamics of ovarian maturation and oocyte resorption in the Queensland fruit fly, Dacus tryoni, in daily-rhythmic and constant temperature regimes

Physiological Entomology ◽

10.1111/j.1365-3032.1976.tb00963.x ◽

1976 ◽

Vol 1 (3) ◽

pp. 213-221 ◽

Cited By ~ 19

Author(s):

A. MEATS ◽

K. C. KHOO

Keyword(s):

Constant Temperature ◽

Fruit Fly ◽

Ovarian Maturation ◽

Temperature Regimes ◽

Oocyte Resorption

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Factors affecting oöcyte resorption in the desert locust Schistocerca gregaria (Forskål)

Journal of Insect Physiology ◽

10.1016/0022-1910(63)90041-6 ◽

1963 ◽

Vol 9 (6) ◽

pp. 827-837 ◽

Cited By ~ 65

Author(s):

K.C. Highnam ◽

O. Lusis ◽

L. Hill

Keyword(s):

Schistocerca Gregaria ◽

Desert Locust ◽

Factors Affecting ◽

Oocyte Resorption

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Siderastrea siderea spawning and oocyte resorption at high latitude

Invertebrate Reproduction & Development ◽

10.1080/07924259.2016.1194334 ◽

2016 ◽

Vol 60 (3) ◽

pp. 212-222 ◽

Cited By ~ 1

Author(s):

Adam T. St.Gelais ◽

Andia Chaves-Fonnegra ◽

Alison L. Moulding ◽

Vladimir N. Kosmynin ◽

David S. Gilliam

Keyword(s):

High Latitude ◽

Oocyte Resorption

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Abnormalities in the ovaries of sockeye salmon spawners in the Kamchatka River in 2019

The researches of the aquatic biological resources of Kamchatka and of the north-west part of the Pacific Ocean ◽

10.15853/2072-8212.2021.60.69-73 ◽

2021 ◽

pp. 69-73

Author(s):

S. B. Gorodovskaya ◽

L. N. Smorodina

Keyword(s):

Body Length ◽

Sockeye Salmon ◽

Histological Analysis ◽

Mature Female ◽

Reproductive Capacity ◽

Kamchatka River ◽

Natural Regulation ◽

Oocyte Resorption

Based on histological analysis of the ovaries of sockeye salmon spawners in the Kamchatka River, numerous abnormalities leading to resorption are shown in the structure of vitellogenic oocytes. Fertility of mature female sockeye salmon decreases due to the resorption of the vitellogenic oocytes. Presence of ovaries with abnormal oocytes implies oocyte resorption in fish being a phenomenon associated with mechanism of natural regulation of final fertility. Such mechanism is required in view of changing fish body length and weight in the sockeye salmon of the Kamchatka River. Numerous abnormalities in the ovaries indicate of a decreasing reproductive capacity of spawners and commercial quality of the eggs.

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