Mary Allen
Von Stephanitz ya ci gaba da kasancewa tare da ci gaban nau'in, kuma a cikin 1922 ya firgita da wasu dabi'un kare da ke fitowa, irin su rashin ƙarfi da halin haƙori. Ya ɓullo da tsarin kula da ingancin inganci: kafin kowane ɗan Jamus Shepherd Dog ya haifa, dole ne ya wuce gwaje-gwaje masu yawa na hankali, ɗabi'a, wasan motsa jiki, da lafiya mai kyau.
#1 Kiwo a Amurka na makiyayin Jamus, a gefe guda, ba a tsara shi ba. A Amurka, an ƙirƙiri karnuka don cin nasarar wasan kwaikwayo na kare kuma masu shayarwa sun fi mai da hankali kan kamannin kare, tafiyarsa da motsi.
#2 Bayan Yaƙin Duniya na Biyu, Makiyayin Makiyaya na Jamus da Amurka da Jamus suka ƙirƙira sun bambanta sosai. Hukumar tabbatar da doka ta Amurka da sojoji sun fara shigo da Makiyayan Jamus a matsayin karnuka masu aiki, saboda makiyayan Jamus na cikin gida sun gaza yin gwajin gwaji kuma suna fama da cututtuka na gado.
#3 A cikin 'yan shekarun nan, wasu masu kiwon kiwo na Amurka sun sake ba da fifiko kan iyawar kare da rage bayyanarsa, suna shigo da karnuka masu aiki daga Jamus don shigar da su cikin shirye-shiryen kiwo.
Yanzu yana yiwuwa a sayi Makiyaya na Jamus da aka haifa a Amurka waɗanda ke rayuwa daidai da sunan irin na kasancewar karnuka masu iya aiki.