Results 21 to 30 of about 51,081 (259)

Assessment of Spawning Fecundity and Its Relationship with Body Parameters of Rainbow Trout (Oncorhynchus mykiss) and Brown Trout (Salmo trutta fario)

open access: yesInternational Journal of Bio-Resource and Stress Management, 2022
The present investigations were carried out at Trout Culture Farm Laribal, Srinagar (J&K Govt.), India during December, 2020. Relationship between length-weight, spawning fecundity and relative fecundity was observed in rainbow trout (O.
Asim Iqbal Bazaz   +9 more
doaj  

Preliminary estimate of spawning frequency and batch fecundity of Brazilian flathead, Percophis brasiliensis, in coastal waters off Buenos Aires Province

open access: yesScientia Marina, 2001
Spawning frequency and batch fecundity were estimated for Brazilian flathead, Percophis brasiliensis, in Argentine coastal waters. Samples of this species were collected during the spawning period in November 1998 and 1999. Spawning frequency, determined
M. I. Militelli, G. J. Macchi
doaj   +1 more source

"A Method for the Estimation of Fecundability." [PDF]

open access: yesStudies in Family Planning, 1975
AbstractA new method for the estimation of the mean and variance of fecundability is described. The data input required for this procedure is the distribution of the interval from marriage to first birth, or from the resumption of the conception risk after contraception to the subsequent birth.
openaire   +2 more sources

Fecundity, an overlooked life-history trait for coastal management of commercial molluscs?

open access: yesFrontiers in Marine Science, 2023
Gonadal development in limpets is well-known. However, the integration of fecundity data on coastal management actions remains overlooked. Here, we use fecundity of two exploited limpets (Patella ordinaria and P. aspera) to demonstrate its potential as a
Joana Vasconcelos   +10 more
doaj   +1 more source

Fecundity of giant freshwater prawn (Macrobrachium rosenbergii) varies with the trophic status and size of the inhabitant perennial reservoirs in Sri Lanka

open access: yesJournal of Fisheries
Giant freshwater prawn (GFP, Macrobrachium rosenbergii) is an important commodity in the inland fisheries of Sri Lanka, where fecundity plays a crucial role in estimating the reproductive potential of the species.
RG Sanuja   +4 more
doaj   +1 more source

Fecundity of ninespine stickleback (Pungitius pungitius L., 1758) in the Puck Bay [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2001
Ninespine stickleback is abundant in the brackish waters of the Puck Bay and its catchment area. The species is common in the overgrown littoral zone. Spawning in the bay is extended, lasting from March to August, the eggs are laid in batches.
E. Sokołowska, K.E. Skóra
doaj   +3 more sources

Ovarian Histology and Expression of Related Candidate Genes in High- and Low-Fecundity Populations of Penaeus vannamei

open access: yesProgress in Fishery Sciences
The Pacific white shrimp Penaeus vannamei is one of the most productive shrimp species in China and the world. Domestic demand for P. vannamei has increased annually because of its fast growth, easy breeding, strong resistance to stress and disease, and ...
Jianchun ZHANG   +12 more
doaj   +1 more source

Fecundity of migrating European eel (Anguilla anguilla) from Polish waters

open access: yesItalian Journal of Animal Science, 2015
This study demonstrated that individual fecundity of 34 migrating European female eels Anguilla anguilla increases linearly with body weight (BW) and total length (TL).
Marta Dębowska   +6 more
doaj   +1 more source

Predicted reproductive longevity and women's facial attractiveness.

open access: yesPLoS ONE, 2021
Physical attractiveness has been shown to reflect women's current fecundity level, allowing a man to choose a potentially more fertile partner in mate choice context.
Agnieszka Żelaźniewicz   +3 more
doaj   +1 more source

Ovarian Sex Cord Stromal Tumors in Children and Adolescents—The European Standard Clinical Practice Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT As part of the European Cooperative Study Group for Paediatric Rare Tumours initiative, we developed standard clinical practice guidelines for ovarian sex cord stromal tumors, based on comprehensive national and international cohort analyses, literature review, and a final expert consensus conference.
Dominik T. Schneider   +15 more
wiley   +1 more source

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