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  • 1
    In: Journal of Applied Ecology, Wiley, Vol. 56, No. 2 ( 2019-02), p. 274-281
    Abstract: Sayansi ya wananchi inaendelea kuongezeka kwa umaarufu kama chombo cha sayansi na ushiriki. Hata hivyo, licha ya kuwa chombo cha thamani cha maendeleo endelevu, sayansi ya wananchi haionekani sana katika nchi nyingi zinazoendelea. Tulifanya mchakato wa ushirikiano wa kutoa vipaumbele pamoja na wataalamu wa uhifadhi na mazingira ili kuchunguza uwezekano wa sayansi ya wananchi ya mazingira katika Afrika ya Mashariki, ikijumuisha fursa, faida na vikwazo. Hii ilitoa kanuni zinazoweza kutumika katika nchi zinazoendelea, hasa kwa sayansi ya wananchi kwa kiwango kikubwa. Tuligundua kuwa kuna uwezo mkubwa wa sayansi ya wananchi ili kuongeza ujuzi wetu wa kisayansi kuhusu nyenzo za asili na mielekeo ya bioanuwai. Faida muhimu nyingi za sayansi ya wananchi zilikuwa kwa watu, lakini moja kwa moja kwa mazingira pia. Vikwazo vikuu kwa sayansi ya wananchi vilikuwa kijamii na kitaasisi hasa, ingawa miradi inapaswa pia kufikiria upatikanaji wa teknolojia zinazofaa na vikwazo vya lugha. Athari za sera ni kama ifuatavyo. Sayansi ya wananchi inaweza kutoa data kusaidia kuunda maamuzi na kuandika ripoti ili kufikia malengo ya kimataifa. Ushiriki unaweza pia kutoa faida za jamii, kuwajulisha na kuwawezesha watu na kwa hiyo kuunga mkono Malengo ya Maendeleo ya Umoja wa Mataifa. Katika nchi zinazoendelea kunahitaji kuwa na ubunifu ili kuendeleza sayansi ya wananchi inayofaa utamaduni inayopata washiriki na watumiaji wa mwisho. Hii inapaswa kuungwa mkono kupitia mitandao ya kikanda ya washikadau kwa kugawana taratibu bora.
    Type of Medium: Online Resource
    ISSN: 0021-8901 , 1365-2664
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2019
    detail.hit.zdb_id: 2020408-5
    detail.hit.zdb_id: 410405-5
    SSG: 12
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  • 2
    In: Influenza and Other Respiratory Viruses, Wiley, Vol. 17, No. 9 ( 2023-09)
    Abstract: We sought to estimate SARS‐CoV‐2 antibody seroprevalence within representative samples of the Kenyan population during the third year of the COVID‐19 pandemic and the second year of COVID‐19 vaccine use. Methods We conducted cross‐sectional serosurveys among randomly selected, age‐stratified samples of Health and Demographic Surveillance System (HDSS) residents in Kilifi and Nairobi. Anti‐spike (anti‐S) immunoglobulin G (IgG) serostatus was measured using a validated in‐house ELISA and antibody concentrations estimated with reference to the WHO International Standard for anti‐SARS‐CoV‐2 immunoglobulin. Results HDSS residents were sampled in February–June 2022 (Kilifi HDSS N  = 852; Nairobi Urban HDSS N  = 851) and in August–December 2022 ( N  = 850 for both sites). Population‐weighted coverage for ≥1 doses of COVID‐19 vaccine were 11.1% (9.1–13.2%) among Kilifi HDSS residents by November 2022 and 34.2% (30.7–37.6%) among Nairobi Urban HDSS residents by December 2022. Population‐weighted anti‐S IgG seroprevalence among Kilifi HDSS residents increased from 69.1% (65.8–72.3%) by May 2022 to 77.4% (74.4–80.2%) by November 2022. Within the Nairobi Urban HDSS, seroprevalence by June 2022 was 88.5% (86.1–90.6%), comparable with seroprevalence by December 2022 (92.2%; 90.2–93.9%). For both surveys, seroprevalence was significantly lower among Kilifi HDSS residents than among Nairobi Urban HDSS residents, as were antibody concentrations ( p   〈  0.001). Conclusion More than 70% of Kilifi residents and 90% of Nairobi residents were seropositive for anti‐S IgG by the end of 2022. There is a potential immunity gap in rural Kenya; implementation of interventions to improve COVID‐19 vaccine uptake among sub‐groups at increased risk of severe COVID‐19 in rural settings is recommended.
    Type of Medium: Online Resource
    ISSN: 1750-2640 , 1750-2659
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 2272349-3
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  • 3
    Online Resource
    Online Resource
    Wiley ; 2023
    In:  Aquaculture, Fish and Fisheries Vol. 3, No. 3 ( 2023-06), p. 247-255
    In: Aquaculture, Fish and Fisheries, Wiley, Vol. 3, No. 3 ( 2023-06), p. 247-255
    Abstract: The growth of aquaculture sector in Kenya has been anchored on farmed Nile tilapia Oreochromis niloticus . Different strains of the species exist in Kenya with unknown quality due to lack of stock improvement programmes coupled by variations in breeding and management practices in different hatcheries. The seeds supplied to farmers have not exhibited good performance and resilience to changing climate. There is need to validate the quality of strains supplied to fish farmers in Kenya. This study sought to compare the growth performance of three strains of farmed Nile tilapia; Sagana strain (SAG‐F8) produced through selective breeding, super YY strain (KAM‐YY) from Kamuthanga fish farm and the local strain (LOC‐T) obtained from Siaya County. The fish were stocked in fertilised earthen ponds measuring 300 m 2 in triplicates at 3 fish/m 2 . The fish were fed on 35% crude protein diet for 180 days at Bukani Aquapark located in Busia County, Kenya. There was no significant difference in mean weight gain (MWG) between SAG‐F8 and LOC‐T strain exhibiting 159.786 ± 6.76 g and 158.623 ± 4.67 g, respectively. However, under similar conditions, the KAM‐YY strain had a significantly lower MWG (131.74 ± 4.75 g) compared to the two strains. Food conversion ratio (FCR), specific growth rate (SGR) did not demonstrate any significant difference among the different strains. The body protein content in the SAG‐F8 fish strain was higher (65.40 ± 0.20%) followed by LOC‐T strain (61.23 ± 2.34%) and lastly KAM‐YY strain had the lowest (60.37 ± 0.89%). In this study, the impact of genetic improvement has been demonstrated to influence growth and feed efficiency as well as body composition. These improved strains will substantially increase fish production and productivity, hence, a positive impact on the fish farmers' livelihoods when supplied to the farmers and seed multipliers.
    Type of Medium: Online Resource
    ISSN: 2693-8847 , 2693-8847
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 3119348-1
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