Use of Highly Purified Porcine FSH Preparation for Superovulation in Japanese Black Cattle.

Superovulation and Embryo Recoveries in Rathi (bos Indicus) Cattle: Effect of Equine Chorionic Gonadotropin or Porcine Fsh

The embryo recovery following superovulatory (SOV) treatment using equine chorionic gonadotrophin (eCG) and porcine follicular stimulating hormone (FSH) in native Rathi (Bos indicus) cattle was studied. In treatment I (n=33) 2000 IU of eCG was injected on day 8 of the natural estrus. In treatment II (n=17) donors received six 12 h im descending doses of porcine FSH (Super OV, Ausa International...

Superovulation with a single administration of FSH in aluminum hydroxide gel: a novel superovulation method for cattle

Superovulation (SOV) is a necessary technique to produce large numbers of embryos for embryo transfer. In the conventional methods, follicular stimulating hormone (FSH) is administered to donor cattle twice daily for 3 to 4 days. As this method is labor intensive and stresses cattle, improving this method has been desired. We previously developed a novel and simple SOV method, in which the intr...

Efficacy of Highly Purified Urinary FSH versus Recombinant FSH in Chinese Women over 37 Years Undergoing Assisted Reproductive Techniques

Innovative strategies for superovulation in cattle

Although superstimulatory protocols in cattle are usually initiated during mid-cycle, the elective control follicular wave emergence and ovulation have had a great impact on the application of on-farm embryo transfer. However, the most commonly used approach for the synchronization of follicular wave emergence involves the use of estradiol which cannot be used in many parts of the world. Theref...

Effects of highly purified urinary FSH and human menopausal FSH on uterine myoelectrical dynamics.

The aim of the study was to investigate the effects of urinary follicle-stimulating hormone (FSH) compounds on the electrical activity of myometrium using signal-processing techniques. Thirty animals were involved in the experiment. After two successive normal estrous cycles, 15 of these animals were put into three equal subgroups. Group 1 was the control; animals were given solvent. Groups 2 a...