Comparison of ram sperm interaction with bovine cervical mucus.

Comparison of ram sperm interaction with bovine cervical mucus. Research Abstract Details 

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Comparison of ram sperm interaction with bovine cervical mucus. Abstract Text:

J R Mole,J A Fitzgerald,

Ram sperm penetration in estrous bovine cervical mucus was evaluated from ejaculates collected during long (16L:8D) and short (8L:16D) photoperiods with varying ambient temperatures. The distance traveled by vanguard sperm was affected by an interaction of the photoperiod and temperature (P<0.001). Sperm migration distance in a capillary tube filled with mucus (22.5 to 23.2 mm) was greater when sperm were collected from rams on short days and when the ambient temperature was between 10 and 31 degrees C than when sperm were collected under either long or short days (15.5 to 17.8 mm), when ambient temperatures were between 1 to 9 degrees C. Incidence of head-to-head agglutination of sperm differed by temperature (P<0.05) and photoperiodic (P<0.09) conditions. The percentage of ejaculates with evidence of sperm agglutination in the mucus was higher in long (62.5%) vs short (45.2) days, and it was greater in sperm collected in warm (61%) vs cold (44%) days. Physical interaction of cervical mucus with spermatozoa was examined. The binding of an iodinated protein from lyophilized mucus to a detergent soluble extract of washed or unwashed sperm was observed. These data show that both photoperiod and temperature affect the interaction of ram sperm with bovine cervical mucus.

Comparison of ram sperm interaction with bovine cervical mucus. Publishing Authors By Initials

JR Mole,JA Fitzgerald,

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Comparison of ram sperm interaction with bovine cervical mucus. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Theriogenology

VOLUME: 33

Page Numbers: 1031-43

Journal Abbreviation: Theriogenology

ISSN: 0093-691X

DAY: 26

MONTH: May

YEAR: 1990

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LANGUAGE: eng

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AFFILIATION: U.S. Department of Agriculture Agricultural Research Service U.S. Sheep Experiment Station Dubois, ID 83423 USA.

Country: United States

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MEDLINETA: Theriogenology

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