Document Detail

Effects of mineral supplements on ovulation and maturation of dog oocytes.
MedLine Citation:
PMID:  22444553     Owner:  NLM     Status:  Publisher    
The aim of this study was to assess the effects of trace mineral supplements near the time of ovulation on the number of ovulated oocytes, in vivo oocyte maturation and pregnancy for dog cloning. Sixteen oocyte donor dogs were used in each control and mineral supplement group, and 136 and 166 corpora lutea were counted from each group. No significant difference was observed between oocyte recovery rates in the control (91.2 ± 2.7%) and mineral (89.9 ± 2.7) groups. Proportions of mature (86.2 ± 7.2 and 88.4 ± 6.8%) and aged (13.8 ± 7.2 and 11.6 ± 6.8%) oocytes were not different in the control and mineral groups, respectively. Oocytes with fair (91.5 ± 3.6 and 93.6 ± 2.1%) and poor (8.5 ± 3.6 and 6.4 ± 2.1%) quality also showed no difference between the control and mineral groups. The concentrations of manganese and ferrous iron were higher and lower on the day of ovulation, respectively, in both groups, but trace element concentrations in peripheral blood were not affected by mineral treatment. Oocytes were used to make cloned embryos; after embryo transfer, four and two pups were delivered from the control and mineral group, respectively, but there was no difference in the delivery rate (4.6 and 2.7%). In conclusion, intravenous mineral supplements administered once close to the LH surge in oocyte donor dogs and recipients had no effect on the number of ovulated oocytes, in vivo oocyte maturation or pregnancy in dog cloning in this study.
Min Jung Kim; Hyun Ju Oh; Jung Eun Park; Geon A Kim; Eun Jung Park; Goo Jang; Byeong Chun Lee
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-22
Journal Detail:
Title:  Theriogenology     Volume:  -     ISSN:  1879-3231     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-3-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0421510     Medline TA:  Theriogenology     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Inc. All rights reserved.
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