Bovine amniotic and allantoic fluids for the culture of murine embryos.

Bovine amniotic and allantoic fluids for the culture of murine embryos. Research Abstract Details 

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Bovine amniotic and allantoic fluids for the culture of murine embryos. Abstract Text:

M H Javed,R W Wright,

This study evaluated bovine amniotic and allantoic fluids as culture media for two-cell murine embryos to the hatched blastocyst stage. Amniotic and allantoic fluids were collected from four 70-d periods of pregnancy and pooled from at least five different animals. In Experiment 1 (n = 470) the fluids were frozen twice. Treatments consisted of twice frozen amniotic or allantoic fluid from each pregnancy period, Whitten's medium and fetal calf serum. The later two media were controls. Twice-frozen amniotic fluid <70 d pregnancy period, fetal calf serum and Whitten's medium supported the development of embryos to the hatched blastocyst stage. Whitten's medium was superior to twice-frozen amniotic fluid <70 d pregnancy period or fetal calf serum (P<0.01). Biochemical analysis showed lower glucose in amniotic and allantoic fluids than in Whitten's medium. Experiment 2 (n = 425) was performed to evaluate the effect of glucose supplementation to amniotic fluid. No benefit of glucose supplementation of the amniotic fluid was observed. In Experiment 3 (n = 432), the fluids were transported nonfrozen on ice. Treatments consisted of nonfrozen amniotic fluid <70 d pregnancy period; nonfrozen amniotic fluid <70 d pregnancy period + glucose), nonfrozen allantoic fluid <70 d pregnancy period; and Whitten's medium. The percentages of embryos developing to hatched blastocyst stage were 66.6, 56.5, 57.4 and 63.9% respectively, for each of the four treatments. No differences were found between any two treatments (P<0.05). In Experiment 4 (n = 231) the fluids were stored at -20 degrees C for 15 d. Whitten's medium was superior to amniotic or allantoic fluid <70 d pregnancy period in sustaining embryo development (P<0.05). In conclusion, these data indicate that nonfrozen bovine amniotic or allantoic fluid <70 d pregnancy period can support the development of murine embryos to the hatched blastocyst stage comparable to culture in Whitten's medium. Glucose supplementation of the amniotic fluid offered no advantage, and freezing of fluids had an adverse effect on in vitro embryo development.

Bovine amniotic and allantoic fluids for the culture of murine embryos. Publishing Authors By Initials

MH Javed,RW Wright,

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Bovine amniotic and allantoic fluids for the culture of murine embryos. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Theriogenology

VOLUME: 34

Page Numbers: 445-60

Journal Abbreviation: Theriogenology

ISSN: 0093-691X

DAY: 26

MONTH: Sep

YEAR: 1990

Bovine amniotic and allantoic fluids for the culture of murine embryos. Information

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LANGUAGE: eng

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AFFILIATION: Department of Animal Sciences Washington State University Pullman, WA 99164-6332, USA.

Country: United States

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MEDLINETA: Theriogenology

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