📄 agriculture

Shipping honey bee (Apis mellifera) queens across Canada after overwintering in bank colonies: Effects on queen quality and colony introduction success

本研究表明,在适当的温度条件下,越冬蜂王可以成功地在加拿大境内进行运输,尽管对于暴露在长时间寒冷环境下的蜂王而言,其精子活力会有轻微下降,但它们仍能保持极高的繁殖质量和蜂群接受率。

Mireille Levesque, Leonard J. Foster, Shelley E. Hoover, Alison McAfee, Stephen F. Pernal, Lynae P. Ovinge, Abdullah Ibr (…)2026-08-07
📄 agriculture

Relative contributions of cultivar, planting date and growth duration to sugar extraction coefficient in autumn-sown sugar beet under farmer-field conditions

这项关于伊朗秋播糖甜菜的研究表明,管理因素(特别是播种日期和生长周期)对糖分提取系数的影响显著大于品种选择,这凸显了通过优化农艺实践而非进行遗传替代来提高生产效率的重要性。

Esmail Mohseni, Babak Babaee, Valiallah Yousefabadi, Ali Saremirad, Battol Yaghoubi Nikoo, Nazli Vosoughi Azar2026-08-07
📄 agriculture

Bridging Local Knowledge and Empirical Science: Validating Farmer Soil Fertility Perceptions Against Laboratory Derived Topsoil Physico-Chemical Properties

这项针对乌干达西南部小农奶牛牧草系统的研究表明,农民对土壤肥力的感知主要受粘土含量和 pH 值等可观察到的物理属性驱动,而非必需的宏量营养素浓度,这凸显了将当地知识与常规实验室化学检测相结合以实现可持续集约化的紧迫需求。

Rashid S Muhoozi, Nemeyimana James2026-08-07
📄 agriculture

Prime-pull immunisation with yeast-based vaccine modifies cell trafficking and induces T-cell immunity in the bovine mammary gland

本研究表明,使用改良的双价酿酒酵母(*Saccharomyces cerevisiae*)配方进行的初免-加强免疫接种方案,能够有效调节细胞运输并诱导牛乳腺中具有保护性的记忆性T细胞免疫,且不会损害组织完整性。

Célya Danzelle, Pablo Gomes Noleto, Patricia Cunha, Florence B. Gilbert, Yves Le Vern, Olivier Boulesteix, Pierre Germon (…)2026-08-07
📄 agriculture

Co-inoculation and single-species inoculation with arbuscular mycorrhizal fungi are associated with different growth and survival patterns in olive seedlings

本研究表明,虽然接种单一物种的长孢菌(*Acaulospora longula*)能提高橄榄幼苗的存活率,且接种玫瑰巨人孢子菌(*Gigaspora rosea*)能促进地上部生长,但共接种产生的是中间结果,这支持了尽管在定量定殖评估方面存在局限性,但在橄榄苗圃生产中进行针对性丛枝菌根真菌应用具有潜力的观点。

Arthur Joanello Cemin, Vagner Luiz Graeff-Filho, José Pedro Spies Nolibos, Luana Vanessa Peretti Minello, Ezequiel Cesar (…)2026-08-07
📄 agriculture

Cellulose Acetate Nanoparticles: Impacts of Concentration and Exposure Time on the Biochemistry and Hematology of Juvenile Colossoma Macropomum

幼年彩豆亚马逊鲳(*Colossoma macropomum*)暴露于醋酸纤维素纳米颗粒会导致血液学和生化参数出现瞬时性的、呈浓度及时间依赖性的改变,且在将鱼转移至清水后观察到部分生理恢复。

Camila Gomes de Oliveira, Túlio Pacheco Boaventura, Fábio Aremil Costa Santos, André Sena Souza, Sidney dos Santos Silva (…)2026-08-06