
Zentrale
0 54 22 / 987-0
info@ohg-genetic.de
info@ohg-genetic.de

Hans-Willi Warder
0 54 22 / 987-223
hwwarder@ohg-genetic.de
hwwarder@ohg-genetic.de
embryos, manager

Hubert Rosenbusch
0 54 22 / 987-257
0152 56734670
hrosenbusch@ohg-genetic.de
0152 56734670
hrosenbusch@ohg-genetic.de
sales manager

Maik Wittemeier
0 54 22 / 987-251
0152 53236918
mwittemeier@ohg-genetic.de
0152 53236918
mwittemeier@ohg-genetic.de
Top Genetic, purchase order - bulls

Lukas Harms
0 54 22 / 987-256
0173 2740440
lharms@ohg-genetic.de
0173 2740440
lharms@ohg-genetic.de
purchase order - females

Christina Wischmeyer
05422 / 987-259
cwischmeyer@ohg-genetic.de
cwischmeyer@ohg-genetic.de
animal registration

Julia Klemann
05422 / 987-260
jklemann@ohg-genetic.de
jklemann@ohg-genetic.de
young breeders

Christian Rückin
0172 2802124
fattening calves

Christian Last
fattening calves

Jürgen Wiesehahn
auctioneer

Dr. Andreas Kandzi
0 54 22 / 987-254
akandzi@ohg-genetic.de
akandzi@ohg-genetic.de
semen sales

Olaf Voltmann
0 54 22 / 987-243
ovoltmann@ohg-genetic.de
ovoltmann@ohg-genetic.de
semen laboratory

Tobias Langkamp
0 54 22 / 987-243
tlangkamp@ohg-genetic.de
tlangkamp@ohg-genetic.de
agricultural products, semen laboratory

Viktor Hell
0 54 22 / 987-242
vhell@ohg-genetic.de
vhell@ohg-genetic.de
semen laboratory, semen sales

Laura Allerdissen
0 54 22 / 987-243
lallerdissen@ohg-genetic.de
lallerdissen@ohg-genetic.de
semen laboratory

Janet Barthold
0 54 22 / 987-224
jbarthold@ohg-genetic.de
jbarthold@ohg-genetic.de
marketing, member management

Hans-Willi Warder
0 54 22 / 987-223
hwwarder@ohg-genetic.de
hwwarder@ohg-genetic.de
embryos, manager

Dr. Katharina Kurlemann
0 54 22 / 987-266
kkurlemann@ohg-genetic.de
kkurlemann@ohg-genetic.de
veterinarian

Carolin Biesenkamp
0 54 22 - 987-266
cbiesenkamp@ohg-genetic.de
cbiesenkamp@ohg-genetic.de
veterinarian

Antje Schwitajewski
0 54 22 / 987-269
aschwitajewski@ohg-genetic.de
aschwitajewski@ohg-genetic.de
administration

Stefan Niederwestberg
0 54 22 / 987-237
sniederwestberg@ohg-genetic.de
sniederwestberg@ohg-genetic.de
Donor station

Norbert Wiemann
0 54 22 / 987-263
nwiemann@ohg-genetic.de
nwiemann@ohg-genetic.de
embryo transfer

Friedrich Bergmann
0 54 22 / 987-247
fbergmann@ohg-genetic.de
fbergmann@ohg-genetic.de
embryo transfer

Anke Blaue
0 54 22 / 987-263
ablaue@ohg-genetic.de
ablaue@ohg-genetic.de
administration

Florian Hellmann
0 54 22 / 987-247
fhellmann@ohg-genetic.de
fhellmann@ohg-genetic.de
embryo transfer

Gerd Meyer
0173 2674091
gmeyer@ohg-genetic.de
gmeyer@ohg-genetic.de
CowShip, classification

Friedrich Rottmann
0173 2673323
frottmann@ohg-genetic.de
frottmann@ohg-genetic.de
CowShip, classification, young breeders

Nils Kolckhorst-Kahle
0162 3142669
nkolckhorst-kahle@ohg-genetic.de
nkolckhorst-kahle@ohg-genetic.de
CowShip, classification

Volker Ortmann
0172 5661632
vortmann@ohg-genetic.de
vortmann@ohg-genetic.de
CowShip, independent dairy nutritionists

Daniel Langer
0172 5661631
dlanger@ohg-genetic.de
dlanger@ohg-genetic.de
KuhVision, independent dairy nutritionists

Andreas Krüger
0 54 22 / 987-235
akrueger@ohg-genetic.de
akrueger@ohg-genetic.de
CowShip, processing of insemination data

Sabine Möller
05422 / 987-250
smoeller@ohg-genetic.de
smoeller@ohg-genetic.de
SNP notification

Carolyn Weber
0 54 22 / 987-231
cweber@ohg-genetic.de
cweber@ohg-genetic.de
auction, registration classification

Sarah Vornholt
0 54 22 / 987-236
svornholt@ohg-genetic.de
svornholt@ohg-genetic.de
CowShip, commercial administration, processing of insemination data

Arnold Strehl
0173 3682298
astrehl@ohg-genetic.de
astrehl@ohg-genetic.de

Jens Kolckhorst-Kahle
0172 5295973
jkolckhorst-kahle@ohg-genetic.de
jkolckhorst-kahle@ohg-genetic.de

Konstantin Klumpp
0152 08974752
kklumpp@ohg-genetic.de
kklumpp@ohg-genetic.de

Freya Dierkes
0 54 22 / 987-435
insemination technician

Jörg Greive
0 54 22 9 62 06 26
insemination technician

Martin Grothaus
0 54 29 / 9 29 98 51
insemination technician

Heinrich Holtgrewe
0 54 09 / 46 57
insemination technician

Ralf Jesse
0 54 02 / 28 19
insemination technician

Frank Kohmöller
0 54 27 / 92 73 19
insemination technician

Ulrich Meyer
0 54 36 / 96 81 77
insemination technician

Guido Richter
0 59 01 / 9 61 98 44
insemination technician

Heinrich Rohlfing
0 57 03 / 8 53
insemination technician

Harald Wiehe
0 57 05 / 987-436
insemination technician

Mario Beier
inseminsation technician

Tatjana Janke
inseminsation technician

Gerhard Hesselkamp
inseminsation technician

Tobias Langkamp
0 54 22 / 987-243
tlangkamp@ohg-genetic.de
tlangkamp@ohg-genetic.de
agricultural products, semen laboratory

Freya Dierkes
0 54 22 / 987-435
insemination technician

Jörg Greive
0 54 22 9 62 06 26
insemination technician

Martin Grothaus
0 54 29 / 9 29 98 51
insemination technician

Heinrich Holtgrewe
0 54 09 / 46 57
insemination technician

Ralf Jesse
0 54 02 / 28 19
insemination technician

Frank Kohmöller
0 54 27 / 92 73 19
insemination technician

Ulrich Meyer
0 54 36 / 96 81 77
insemination technician

Guido Richter
0 59 01 / 9 61 98 44
insemination technician

Heinrich Rohlfing
0 57 03 / 8 53
insemination technician

Harald Wiehe
0 57 05 / 987-436
insemination technician

Mario Beier
inseminsation technician

Tatjana Janke
inseminsation technician

Gerhard Hesselkamp
inseminsation technician

Ulrike Aschermann
0 54 22 / 987-261
uaschermann@ohg-genetic.de
uaschermann@ohg-genetic.de
auction, herdbook

Jutta Rosemann
0 54 22 / 987-258
jrosemann@ohg-genetic.de
jrosemann@ohg-genetic.de
auction, transportation

Carolyn Weber
0 54 22 / 987-231
cweber@ohg-genetic.de
cweber@ohg-genetic.de
auction, registration classification

Dr. Andreas Kandzi
0 54 22 / 987-254
akandzi@ohg-genetic.de
akandzi@ohg-genetic.de
semen sales

Janet Barthold
0 54 22 / 987-224
jbarthold@ohg-genetic.de
jbarthold@ohg-genetic.de
marketing, member management

Jürgen Halbrügge
0 54 22 / 987-226
jhalbruegge@ohg-genetic.de
jhalbruegge@ohg-genetic.de
accounts department, commercial manager

Heike Harwerth
0 54 22 / 987-223
hharwerth@ohg-genetic.de
hharwerth@ohg-genetic.de
secretariat

Marie Grothaus
0 54 22 / 987-240
magrothaus@ohg-genetic.de
magrothaus@ohg-genetic.de
catalog request, secretariat

Imke Pawlowski
0 54 22 / 987-227
ipawlowski@ohg-genetic.de
ipawlowski@ohg-genetic.de
Dr. Gustav Wilke foundation, accounts department

Nina Hellmann
0 54 22 / 987-228
nhellmann@ohg-genetic.de
nhellmann@ohg-genetic.de
accounts department

Janet Barthold
0 54 22 / 987-224
jbarthold@ohg-genetic.de
jbarthold@ohg-genetic.de
marketing, member management

Fabien Dieckmeyer
0 54 22 / 987-234
fdieckmeyer@ohg-genetic.de
fdieckmeyer@ohg-genetic.de
IT

Simon Bierbaum
0 54 22 / 987-225
0173 8866421
sbierbaum@ohg-genetic.de
0173 8866421
sbierbaum@ohg-genetic.de
Halle Gartlage

Sarah Vornholt
0 54 22 / 987-236
svornholt@ohg-genetic.de
svornholt@ohg-genetic.de
CowShip, commercial administration, processing of insemination data