Sex ratio at birth in Kogi state, North-Central Nigeria by Adekunle Bakare, Deborah Peter, Motunrayo Mojoyin Coker, Silas Fagbenro, Okunola A. Alabi

“…There has been no report on the sex ratio at birth (SRB) from Kogi State, North-Central Nigeria. …”
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Local resource competition and the skewness of the sex ratio: a demographic model by Lorenzo Mari, Marino Gatto, Renato Casagrandi

“…Most animal populations are characterized by balanced sex ratios, but thereexist several exceptions in which the sex ratio at birth is skewed. …”
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Effect of Temperature on Reproduction and Sex Ratio of Guppy (Poecilia reticulata Peters) by H. Arfah, S. Mariam, . Alimuddin

“… Water temperature could affect the reproduction of broodstock and sex ratio of progeny.  In this study, broodstock of guppy (Poecilia reticulata Peters) was reared in different temperature to determine its effect on reproduction of broodstock and sex ratio of their progeny. …”
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Effect of Orally Administrated Acriflavine to larval of Red Tilapia (Oreochromis sp.) on Their Sex Ratio by M. Zairin Junior, D. Nurlestiyoningrum, M. Raswin

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The sex ratio and testosterone levels in tilapia immersed in different doses of 17α-methyltestosterone by Muhammad Zairin Junior, Muhammad Restya Naufal, Mia Setiawati, Dian Hardianto, , Alimuddin

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Endless Digging and Endless Picking. Sex Ratios and Gendered Labour in Surinamese Plantations, 1830–1863 by Cornelis W. van Galen, Björn Quanjer, Matthias Rosenbaum-Feldbrügge, Matthijs Kraijo

“…In this article we study the question why the sex ratio among the enslaved population of plantation workers reversed from a male to a female surplus between 1830 and the abolition of slavery in 1863. …”
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Transgenerational cues about local mate competition affect offspring sex ratios in the spider mite Tetranychus urticae by Duncan, Alison B., Marinosci, Cassandra, Devaux, Céline, Lefèvre, Sophie, Magalhães, Sara, Griffin, Joanne, Valente, Adeline, Ronce, Ophélie, Olivieri, Isabelle

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Falling sex ratios and emerging evidence of sex-selective abortion in Nepal: evidence from nationally representative survey data by Mahesh Puri, Melanie Dawn Frost, Peter Richard Andrew Hinde

“…Objectives To quantify trends in changing sex ratios of births before and after the legalisation of abortion in Nepal. …”
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Male sex ratio of red tilapia Oreochromis sp. after soaking in different concentrations of coconut milk at larvae stadia by Fajar Maulana, Agus Oman Sudrajat, Andre Permana, Lina Mulyani, Harton Arfah

“…The results showed that the 7 ml/L coconut milk treatment increased the male sex ratio and specific growth rate and reduced the feed conversion ratio without a negative impact on the survival rate of red tilapia fry. …”
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Effect of 17α-Methyltestosterone Hormone Manipulation in Various Water Temperatures on Sex Ratio of Guppy (Poecilia reticulata Peters) by H. Arfah, A.K. Kadriah, O. Carman

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Effect of exposure time of pregnant females guppies, Poecilia reticulata Peters, in 17a-methyltestosterone solution on sex ratio of their offsprings by M. Zairin Junior, A. Yunianti, R.R.S.P.S. Dewi, Kusman Sumawidjaja

“… ABSTRACT This experiment was carried out to study the effect of female broodstocks immersion in 17amethyltestosterone (MT) solution on sex ratio of their offspring, Three-months old males and females were paired to mate in aquaria for four days.  …”
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Length- weight relationship, condition factor and sex ratio of Oreochromis niloticus and Chrysichthys nigrodigitatus in the lower section of Osun River, Nigeria by Adams Ovie Iyiola, Ayotunde Samuel Kolawole, Samuel Bem Umma, Tosin Iriobe

“…The mean condition factor (K) was 2.8 for O. niloticus and 1.9 for C. nigrodigitatus. The sex ratio of male to female was 1.5:1 for O. niloticus and 1.2:1 for C. nigrodigitatus. …”
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Genetic Diversity and Genetic Structure of Different Types of Natural Populations in Osmanthus fragrans Lour. and the Relationships with Sex Ratio, Population Structure, and Geographic Isolation by Shaoqing Hu, Shuai Wu, Yiguang Wang, Hongbo Zhao, Yuanyan Zhang

“…Genetic diversity in populations is closely related to population structure, reproduction mode, and sex ratio. However, there seems to be no obvious correlation between genetic diversity and population size. …”
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Sex-ratio des individus indéterminés dans l’application de la Diagnose Sexuelle Probabiliste et implications dans les analyses paléodémographiques by Samuel Bédécarrats, Frédéric Santos, Tereza Galovičová, Frédérique Blaizot, Fanny Chenal, Marie-France Deguilloux, Yves Gleize, Sacha Kacki, Mélanie Pruvost, Hélène Réveillas, Stéphane Rottier, Aminte Thomann, Aline Thomas, Ivy Thomson, Sébastien Villotte, Jaroslav Brůžek

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Influence of mimicry on extinction risk in Aculeata: a theoretical approach by Boutin, Maxime, Costa, Manon, Fontaine, Colin, Perrard, Adrien, Llaurens, Violaine

Subjects: “…Mullerian mimicry, mutualism, population dynamics, aculeata, sex-ratio, coexistence…”
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La femme migrante comme agent de contrôle social dans le contexte de la frontière américaine. La Virginie au xviie siècle et la Californie à l’époque de la ruée vers l’or... by Camille Marion

Subjects: “…sex ratio…”
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A two-sex matrix population model to represent harem structure by Anthony Tongen, María Zubillaga, Jorge E. Rabinovich

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Life history of wahoo, Acanthocybium solandri, in the Tropical Eastern Atlantic Ocean – the importance of applying a suite of methods for fisheries assessment in data-limited situa... by Kindong Richard, Wu Feng, Sarr Ousmane, Dai Libin, Tian Siquan, Dai Xiaojie

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Factors accounting for limited sexual reproduction in a long-lived unisexual plant species by Irene Bisang, Flavien Collart, Flavien Collart, Alain Vanderpoorten, Lars Hedenäs

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Seasonal changes in the reproductive cycle and condition index of the surf clam Mactra stultorum (Mollusca: Bivalvia) in the Gulf of Gabes, Tunisia by Derbali Abdelkarim

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