Cryopreservation of epididymal sperm allows final preservation of the gene reserve from valuable sires in case of unexpected injury terminating the breeding career. This case report describes the birth of a healthy foal following insemination with frozen-thawed epididymal sperm. The testes and...

The Mini-Lewe was bred as an animal model for experimental research in the former Democratic Republic of Germany. The remaining stock, including 5 boars and 10 sows, was transferred from the Humboldt-University Berlin to the experimental and teaching farm Ruthe (LFG Ruthe) of the University of...

The aim of the present study has been the development of a semen processing method allowing the storage of equine semen at a high concentration of 333 million sperm/ml and low volume. Different seminal plasma concentrations were tested to achieve optimum spermatozoal motility. The quality of the...

This article describes the selection, health screening and results of semen evaluation in bucks transported from Switzerland to France for the SZZV project conducted in 2012-2012.

Uterine contractions were ultrasonically recorded (t=20 min) in 50 maiden mares (3-4 years old) within 0-6 h after hCG induced ovulation. The mares were divided into 5 groups (n=10, respectively). Group 1 was inseminated conventionally into the uterine body, while Group 2 was inseminated onto the...

This study examined whether the application of a synthetic immune system modificator (paramunity inducer, preparation of inactivated Parapoxvirus ovis) has an effect on immunity and sperm quality in bulls. Seven Simmenthal bulls (3-8 years old) were used. Bulls were treated with 2 mL of synthetic...

In comparison with artificial insemination with fresh semen or short time stored semen, the results of artificial insemination after cryopreservation are not satisfactorily in poultry. Nevertheless, the interest of commercial breeders in cryopreservation is increasing. An increase in utilization of ...

Artificial insemination in the dog is a currently well established breeding procedure. A fresh undiluted semen, chilled or frozen semen could be used depending on the situation. Semen is collected fractionated by manual stimulation (masturbation) in the presence of a teaser bitch in standing heat...

The most efficient way to shift the sex ratio of offspring is to select spermatozoa according to the sex chromosomes. The difference in their DNA content can be determined by flow cytometry to produce populations of either sex at high accuracy. As the method is based on single cell identification,...

The use of artificial insemination (AI) in poultry can be traced back until the beginning of the 20th century. The development of suitable methods to collect sperm as well as insemination, dilution and preservation of sperm have resulted to a useful and significant method in poultry breeding. This...