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Filtering by: Subject Cattle -- Reproduction

Relationships among rump and rear leg type traits and reproductive performance in Holsteins

Creator:

Shapiro, Leland Sanford

Abstract:

This study was conducted to determine the relationships among the linear type traits of rump angle, rump width, rump length, rear legs side view, rear legs position, rear legs rear view, tailhead, vulva angle, mobility, pasterns, foot angle, and toes with reproductive performance (days open and times bred) in Holstein...

Resource Type:

Dissertation
Factors affecting luteal oxytocin synthesis and/or secretion by the ovine and bovine corpus luteum

Creator:

Paslay, Elizabeth M.

Abstract:

Experiments were conducted to determine whether endogenous progesterone regulates synthesis and/or secretion of luteal oxytocin (OT). In experiment 1, mature ewes (n=5 per group) were assigned randomly to control or mifepristone (RU 486) treatment groups. Ewes were injected twice daily s.c. with vehicle or 10 mg RU 486 from days...

Resource Type:

Masters Thesis