Index: binaries/data/mods/public/simulation/templates/gaia/fauna_cattle_cow_trainable.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/gaia/fauna_cattle_cow_trainable.xml
+++ binaries/data/mods/public/simulation/templates/gaia/fauna_cattle_cow_trainable.xml
@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Entity parent="gaia/fauna_cattle_cow">
+  <Identity>
+    <RequiredTechnology>phase_city</RequiredTechnology>
+  </Identity>
   <Visibility>
     <RetainInFog>false</RetainInFog>
   </Visibility>
Index: binaries/data/mods/public/simulation/templates/gaia/fauna_cattle_sanga_trainable.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/gaia/fauna_cattle_sanga_trainable.xml
+++ binaries/data/mods/public/simulation/templates/gaia/fauna_cattle_sanga_trainable.xml
@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Entity parent="gaia/fauna_cattle_sanga">
+  <Identity>
+    <RequiredTechnology>phase_city</RequiredTechnology>
+  </Identity>
   <Visibility>
     <RetainInFog>false</RetainInFog>
   </Visibility>
Index: binaries/data/mods/public/simulation/templates/gaia/fauna_cattle_zebu_trainable.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/gaia/fauna_cattle_zebu_trainable.xml
+++ binaries/data/mods/public/simulation/templates/gaia/fauna_cattle_zebu_trainable.xml
@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Entity parent="gaia/fauna_cattle_zebu">
+  <Identity>
+    <RequiredTechnology>phase_city</RequiredTechnology>
+  </Identity>
   <Visibility>
     <RetainInFog>false</RetainInFog>
   </Visibility>
Index: binaries/data/mods/public/simulation/templates/gaia/fauna_pig_trainable.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/gaia/fauna_pig_trainable.xml
+++ 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>