L. Bungartz

Assessment of the presence of a dominant follicle and selection of dairy cows suitable for superovulation by a single ultrasound examination.

H. Niemann, L. Bungartz, 1994, Journal of reproduction and fertility.

Collection of oocytes from cattle via follicular aspiration aided by ultrasound with or without gonadotropin pretreatment and in different reproductive stages.

D. Rath, A. Lucas-Hahn, H. Niemann, 1995, Theriogenology.

Effects of a dominant follicle on ovarian responses of dairy cows following various superovulatory treatment schedules

H. Niemann, L. Bungartz, 1993 .