Index: ps/trunk/binaries/data/mods/public/simulation/templates/gaia/fauna_pig_trainable.xml
===================================================================
--- ps/trunk/binaries/data/mods/public/simulation/templates/gaia/fauna_pig_trainable.xml
+++ ps/trunk/binaries/data/mods/public/simulation/templates/gaia/fauna_pig_trainable.xml
@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Entity parent="gaia/fauna_pig">
+  <Identity>
+    <RequiredTechnology>phase_town</RequiredTechnology>
+  </Identity>
   <Visibility>
     <RetainInFog>false</RetainInFog>
   </Visibility>
Index: ps/trunk/binaries/data/mods/public/simulation/templates/template_unit_fauna_herd_domestic_cattle.xml
===================================================================
--- ps/trunk/binaries/data/mods/public/simulation/templates/template_unit_fauna_herd_domestic_cattle.xml
+++ ps/trunk/binaries/data/mods/public/simulation/templates/template_unit_fauna_herd_domestic_cattle.xml
@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Entity parent="template_unit_fauna_herd_domestic">
+  <Identity>
+    <RequiredTechnology>phase_city</RequiredTechnology>
+  </Identity>
   <Sound>
     <SoundGroups>
       <select>actor/fauna/animal/cattle_select.xml</select>