Results 71 to 80 of about 1,314 (119)

人工饲养亚洲象的繁殖与育幼研究

open access: yes野生动物学报
2007—2024年,西双版纳野象谷人工饲养的亚洲象(Elephas maximus)共成功繁育并成活13头后代。本研究以参与繁殖的2头雄象、6头雌象及其后代为对象,总结了其日常饲养、发情判断、交配管理、雌象围产期护理及育幼等技术要点。结果显示:雌象平均初产年龄为17.67岁,平均生育间隔为4.61 a。雌象在哺乳至2年左右时可再次发情并成功受孕,幼象不必断乳;雄象的交配成功也不受其是否处于“Musth”(狂暴)状态的限制。交配和受孕多发生在2—5月(长日照季节),平均妊娠期为648.10 d ...
保明伟   +7 more
doaj  

[Application of P1 response threshold of cortical auditory evoked potential in rehabilitation evaluation of young children with cochlear implant]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Ji H   +6 more
europepmc   +1 more source

[Efficacy of artificial dermis in repairing small to medium-sized deep partial-thickness scalds in infants and young children]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Ding XH   +5 more
europepmc   +1 more source

[Chinese guidelines for diagnosis and treatment of myelodysplastic neoplasms (2026)]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Chinese Society of Hematology   +1 more
europepmc   +1 more source

[Oral Health Status of Obese Children andIntervention Strategies]. [PDF]

open access: yesSichuan Da Xue Xue Bao Yi Xue Ban
Cheng R, Lei L, Zhang R, Cai H, Hu T.
europepmc   +1 more source

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