L. Richter

Real-time ultrasound diagnosis of ovulation and ovarian cysts in sows and its impact on artificial insemination efficiency

D. Waberski, K. Weitze, A. Kunz-Schmidt, 2000 .

[Deep freezing of boar sperma. Laboratory and insemination results using the Hülsenberger paillete method].

L. Richter, H. Treu, P. Westendorf, 1975, DTW. Deutsche tierarztliche Wochenschrift.

The Onset of Heat after Weaning, Heat Duration, and Ovulation as Major Factors in AI Timing in Sows

L. Richter, J. Krieter, D. Waberski, 1994 .

The effect of parity and litter size on the “on-the-farm” performance tested gilts

L. Richter, H. Willeke, 2010 .