Karen's GSD breeding experience includes:

Karen began breeding in 1981 and her first USA registered litter was in 1987. She breeds under the USA registered kennel name of Mack-Zwinger (the letters AK for tattooing). She has produced 20 litters,16 of which are registered with USA. Many of these dogs have gone on to earn schutzhund and obedience titles as well as show ratings and breed surveys.
She has been a USA Breed Warden since 1986.
She twice earned Regional Siegerin (1989 and 1991) with an owner raised and trained dog. And Canadian Siegerin in 1991 with an owner raised and trained dog.

 

 

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