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Daily sperm production and epididymal sperm reserves of pubertal and adult rats.
TLDR
Rats were considered to be pubertal at 50 days of age when spermatozoa were first found in the tail of the epididymis, but Wistar rats are not sexually mature until 100 years of age.
Fertility-associated proteins in Holstein bull seminal plasma.
TLDR
Bull seminal plasma contains fertility-associated proteins that are predictive of bull fertility, according to a regression model developed to predict bull fertility using the four fertility- associated protein densities.
Identification of proteins in the accessory sex gland fluid associated with fertility indexes of dairy bulls: a proteomic approach.
TLDR
It is concluded that interactions among several proteins in accessory sex gland fluid explain a significant proportion of the variation in fertility scores of mature dairy sires.
Identification of a fertility-associated protein in bull seminal plasma as lipocalin-type prostaglandin D synthase.
TLDR
It is established that the 26-kDa fertility-associated protein in bull seminal plasma is lipocalin-type PGD synthase, and it is speculated that this protein may play an important role in both the development and the maturation of sperm.
Osteopontin is the 55-kilodalton fertility-associated protein in Holstein bull seminal plasma.
TLDR
Protein characterization revealed that the 55-kDa protein was glycosylated, but not phosphorylated, consistent with the identity of the 55KDa protein as osteopontin, which is prevalent in seminal plasma of higher-fertility males.
Evidence for the role of oviduct secretions in sperm function, fertilization and embryo development.
  • G. Killian
  • Biology, Medicine
    Animal reproduction science
  • 1 July 2004
TLDR
The picture emerging is that some components of the oviduct milieu have overlapping functions to collectively provide a failsafe system to ensure fertility in vivo so that success is not dependent on a single component.
A comprehensive proteomic analysis of the accessory sex gland fluid from mature Holstein bulls.
TLDR
A diverse range of components in the accessory sex gland fluid of a select group of Holstein bulls with documented fertility are identified, suggesting that they play important roles in sperm physiology after ejaculation.
Effect of bovine ampullary and isthmic oviductal fluid on motility, acrosome reaction and fertility of bull spermatozoa.
TLDR
Oviductal fluid differentially affects sperm function, depending on the oviduct region and the stage of the oestrous cycle at which the fluid was obtained.
Osteopontin localization in the Holstein bull reproductive tract.
TLDR
It is concluded that the primary sources of OPN in bull SP are the seminal vesicles and ampulla, and that OPN was not detected immunohistochemically in epididymal, ampullary, or ejaculated sperm treated with or without Triton X-100.
Effect of bovine oviductal estrus-associated protein on the ability of sperm to capacitate and fertilize oocytes.
TLDR
Bovine EAP, derived from both ODF and in vitro cultures, promotes sperm fertilizing ability and is significantly greater than that for sperm incubated without EAP or with anti-EAP.
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