نتایج جستجو برای: eggs quality and quantity

تعداد نتایج: 16926677  

Journal: :Population (French Edition) 1947

2017
GUOJUN CHEN GEORGE F. GEE JANE M. NICOLICH JOANNA A. TAYLOR

We tested to see if semen collection interferes with fertility in naturally fertile pairs of cranes. We used 12 naturally fertile, Florida sandhill crane (Grus canadensis pratensis) pairs for this study, 6 control and 6 experimental. All pairs had previously produced fertile eggs. Semen was collected on Tuesday mornings and Friday afternoons from 26 February 1993 to 4 June 1993. We used standar...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2009
Jianying Hu Zhaobin Zhang Qiwei Wei Huajun Zhen Yanbin Zhao Hui Peng Yi Wan John P Giesy Luoxin Li Bo Zhang

The anadromous Chinese sturgeon (Acipenser sinensis) is endangered and listed among the first class of protected animals in China. The possible causes for the decline of this species are the effects of synthetic chemicals, and loss of critical habitat. Chinese sturgeon in the Yangtze River have accumulated triphenyltin (TPT) to 31-128 ng/g wet weigh (ww) in liver, which is greater than the conc...

Journal: :medical journal of islamic republic of iran 0
saeldeh ziaei from the imam hosein university, of medical sciences, tehran, islamic republic of iran.

clomiphene citrate (cc) has an adverse effect on the quality and quantity of cervical mucus (cm). poor cervical mucus has been reported in 15% of cc-treated women. cc exhibits estrogen agonist and antagonist activities. antiestrogenic activity affecting the endocervical glands is theorized to cause a decrease in cervical mucus quality and quantity. an experimental study was performed to assess ...

Journal: :European Journal of General Practice 1998

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