Showing 21 - 40 results of 127 for search '"sex ratio"', query time: 0.11s Refine Results
  1. 21
  2. 22

    Age-Dependent Constraints of Sex Allocation in a Parasitoid Wasp by Takatoshi Ueno

    Published 2014-01-01
    “…The offspring sex ratios of parasitoid wasps often depend on the age of ovipositing females. …”
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  3. 23

    Feminization of Betta Fish (Betta splendens Regan) Through Embryo Immersion in Estradiol-17β Hormone Solution at the Dosages of 400 µg/I for 6, 12, 18 and 24 Hours by S. Purwati, Odang Carman, M. Zairin Junior

    Published 2007-12-01
    “… The experiment was carried out to study the effect of embryo immersion in estradiol-17β hormone solution on sex ratio, hatching rate and survival rate of betta fish. …”
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  4. 24

    Reproduction of tank goby(Glossogobius giuris) in Ujung Pangkah Waters, East Java by . Sulistiono

    Published 2013-11-01
    “…Analysis was done to estimate sex ratio, gonad maturity, gonado somatic index, fecundity, and oocyte diameter. …”
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  5. 25

    Gender and Development / by Momsen, Janet Henshall

    Published 2010
    Table of Contents: “…Introduction : gender is a development issue -- The sex ratio -- Reproduction -- Gender, health and violence -- Gender and environment -- Gender in rural areas -- Gender and urbanization -- Globalization and changing patterns of economic activity -- How far have we come?…”
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  6. 26

    The habitat use of longsnout seahorse Hippocampus reidi in a subtropical Brazilian estuary by Julia Maria Maccari, Johnatas Adelir-Alves, Natalie Villar Freret-Meurer, Pedro Carlos Pinheiro

    Published 2025-01-01
    “…A male-biased sex ratio was observed throughout the study. Longsnout seahorses were frequently observed resting (anchored). …”
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  7. 27

    Reproductive Strategy of Labeobarbus batesii (Boulenger, 1903) (Teleostei: Cyprinidae) in the Mbô Floodplain Rivers of Cameroon by Claudine Tekounegning Tiogué, Minette Tabi Eyango Tomedi, Joseph Tchoumboué

    Published 2013-01-01
    “…Sex was determined by macroscopic examination of the gonads after dissection. The sex ratio was female skewed (overall sex ratio: 1 : 1.42). …”
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  8. 28

    Evaluation of Some Aspects of the Growth Parameters and Exploitation Rates of Deep-Water Rose Shrimp (Parapenaeus longirostris) from the Sea of Marmara by Habib Bal, Ömerhan Dürrani

    Published 2024-10-01
    “…This study investigated the length frequency, growth pattern, sex ratio, condition factor, von Bertalanffy growth parameters (L∞, 𝑘, t0), growth performance index (φ), exploitation rate, and mortality rates of deep-water rose shrimp. …”
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  9. 29

    Reproductive attributes of the spot-tail shark, Carcharhinus sorrah collected from westernmost waters of Aceh, Indonesia by Teuku Haris Iqbal, Ilham Fajri, Adrian Damora, Ahmad Fauzan Lubis, Benaya Meitasari Simeon, Efin Muttaqin, Hollie Booth

    Published 2024-12-01
    “…Results indicated an overall sex ratio of female to male fish at 1:1.67 (χ² = 45.19, p 0.001), with significant differences observed in sex ratios between BA and ABD (χ² = 6.72, p = 0.01; χ² = 41.14, p 0.001), while AB showed no significant difference (χ² = 1.64, p = 0.20). …”
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  11. 31

    Masculinization on tilapia (Oreochromis sp.) by natural hormone steroid agent from bee resin through artificial diet by Dinar Tri Soelistyowati, Agus Oman Sudrajat, Harton Arfah

    Published 2013-03-01
    “…This research aim to increase male sex ratio and production performance. Treatment of bee resin dose is 0.6; 1.2; 1.8; 2.4; 3.0 feed ml/kg compared to Control (0 ml/kg diet) were given  during 28 days at larva age 7 day in aquarium, then transferred to the farm ground until age 12 weeks. …”
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  12. 32

    A Schistosomiasis Model with Mating Structure by Longxing Qi, Jing-an Cui

    Published 2013-01-01
    “…A schistosomiasis model is proposed including single schistosomes, paired schistosomes, snails, and the latent period of infected snails. A reasonable sex ratio of schistosomes and the minimum mating function are considered. …”
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  13. 33

    Digital financial inclusion, population structure, and consumption upgrades: Evidence from China. by Qianwen Liu, Jianjie Zheng, Shihui Luo

    Published 2025-01-01
    “…Specifically, child dependency ratio has a positive moderating effect on digital financial inclusion-driven the upgrading of consumption structure. Moreover, sex ratio has a positive moderating effect on digital financial inclusion-driven the upgrading of consumption structure. …”
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  14. 34

    Facteurs alimentaires et environnementaux de risque du cancer du rhino-pharynx dans la région de Marrakech by Soumia Ammor, Abdellatif Baali, Annie Hubert, Mohamed Cherkaoui

    Published 2001-11-01
    “…In Morocco, as in the other countries of the Maghreb, NPC is the most frequent cancer of the ORL sphere.The distribution by age and sex of a sample composed by 160 cases diagnosed between 1989 and 1999 in Marrakech hospitals has shown that men are more affected than women with a sex-ratio of 2,6 and that the proportion of the individuals younger than 25 years and affected by the NPC is 20%. …”
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  15. 35

    Supernumerary Teeth in Indian Children: A Survey of 300 Cases by Amita Sharma, Varun Pratap Singh

    Published 2012-01-01
    “…The results indicated that males were affected more than females with a sex ratio of 2.9 : 1. Single supernumerary tooth was seen in 79% of the patients, 20% had double, and 1% had three or more supernumeraries. …”
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  16. 36

    Performance of Tomicus yunnanensis and Tomicus minor (Col., Scolytinae) on Pinus yunnanensis and Pinus armandii in Yunnan, Southwestern China by Tao Zhao, Bo Långström

    Published 2012-01-01
    “…Tomicus yunnanensis and T. minor produced similar progeny in the logs of the two pines. The sex ratio and developmental period were not affected by host species, but the brood beetles emerging from Armand pine weighed less than those from Yunnan pine, suggesting that P. armandii are less suitable to be host of T. yunnanensis and T. minor.…”
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  17. 37

    5-Aminosalicylic Acid Enemas in the Maintenance of Remission in Distal Ulcerative Colitis and Proctitis by Lloyd R Sutherland, Francois Martin

    Published 1987-01-01
    “…The two patient groups were similar in terms of age, sex ratio and disease activity. Further significant reduction in DAI occurred during the first three months of the study. …”
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  18. 38

    Facteurs alimentaires et environnementaux de risque du cancer du rhino-pharynx au Maroc et leur répartition géographique by Soumia Ammor, Abdellatif Baali, Mohamed Cherkaoui, Annie Hubert

    Published 2005-06-01
    “…The study of a group of 409 patients affected by NPC (nasopharyngeal carcinoma) using 394 people as a control group has shown that this cancer was predominant in men (sex-ratio = 1.80), particularly in the younger population (10.5% of patients were aged less than 20 years). …”
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  19. 39

    Biology of the Endemic Endangered Swallowtail Butterfly, Papilio desmondi teita (Lepidoptera: Papilionidae), on Wild Citrus Species in Taita Hills, Kenya by Oliver C. Genga, Namikoye E. Samita, Ruth Kahuthia-Gathu, Esther N. Kioko

    Published 2023-01-01
    “…The development period of the butterfly in 1st and 2nd seasons on T. asiatica was 81.13 ± 0.44 days and 112.15 ± 1.20 days, respectively, while a female-biased sex ratio was observed in the first and second seasons. …”
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  20. 40

    Analysis Model of Giant Prawns Population (Macrobrachium rosenbergii) in Estuary Edge of Sembakung Waters, Nunukan, Indonesia by Agus Indarjo, Gazali Salim, Christine Dyta Nugraeni, Lukman Yudho Prakoso, Permana Ari Soejarwo, Rukisah Rukisah, Yen Thi Hong Pham, Achmad Daengs GS, Hariyadi Hariyadi, Abdul Jabarsyah

    Published 2020-09-01
    “…The results obtain the sex ratio of male and female giant prawns 1:3.67. The growth pattern of male and female giant prawns were allometric negative. …”
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