diff --git a/FS25_ADSmartPickup/adSources.lua b/FS25_ADSmartPickup/adSources.lua
index 5187298..2096201 100644
--- a/FS25_ADSmartPickup/adSources.lua
+++ b/FS25_ADSmartPickup/adSources.lua
@@ -587,6 +587,22 @@ end
 
 -- Stald: foder/halm/vand-rate × timer minus beholdning, højst fri plads (spec-felter som
 -- Distribution Redux læser dem); automatisk vandforsyning = intet behov.
+-- Foder = varer i krybben ELLER i dyretypens foderdefinition (tom krybbe har ingen niveauer).
+-- Mælk/gylle er staldens output og understøttes kun som lager.
+local function isFoodFillType(placeable, fillType)
+    local food = placeable.spec_husbandryFood
+    if food == nil then return false end
+    if food.fillLevels ~= nil and food.fillLevels[fillType] ~= nil then return true end
+    local system = g_currentMission ~= nil and g_currentMission.animalFoodSystem or nil
+    local animalFood = system ~= nil and system.getAnimalFood ~= nil and system:getAnimalFood(food.animalTypeIndex) or nil
+    for _, group in pairs(animalFood ~= nil and animalFood.groups or {}) do
+        for _, candidate in pairs(group.fillTypes or {}) do
+            if candidate == fillType then return true end
+        end
+    end
+    return false
+end
+
 local function getHusbandryReserve(placeable, fillType)
     if placeable.getHusbandryIsFillTypeSupported == nil or placeable.getHusbandryFillLevel == nil then
         return 0
@@ -603,7 +619,8 @@ local function getHusbandryReserve(placeable, fillType)
         rate = water.litersPerHour or 0
     elseif name == "STRAW" and straw ~= nil then
         rate = straw.inputLitersPerHour or 0
-    elseif food ~= nil then
+    elseif food ~= nil and isFoodFillType(placeable, fillType) then
+        -- kun varer i foderkrybben er foder; mælk/gylle er staldens OUTPUT (understøttet som lager)
         rate = food.litersPerHour or 0
         level = 0
         for _, value in pairs(food.fillLevels or {}) do level = level + (value or 0) end
diff --git a/FS25_ADSmartPickup/modDesc.xml b/FS25_ADSmartPickup/modDesc.xml
index 51f1315..4645a49 100644
--- a/FS25_ADSmartPickup/modDesc.xml
+++ b/FS25_ADSmartPickup/modDesc.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
 <modDesc descVersion="107">
     <author>masterdraco</author>
-    <version>1.17.1.0</version>
+    <version>1.17.2.0</version>
     <title>
         <en>AD Smart Pickup</en>
     </title>
diff --git a/docs/BRUGERMANUAL.md b/docs/BRUGERMANUAL.md
index 5172251..f4472e8 100644
--- a/docs/BRUGERMANUAL.md
+++ b/docs/BRUGERMANUAL.md
@@ -1,6 +1,6 @@
 # AD Smart Pickup — brugermanual
 
-Version 1.17.1 · Farming Simulator 25 · tillæg til AutoDrive
+Version 1.17.2 · Farming Simulator 25 · tillæg til AutoDrive
 
 *English version: [USER_MANUAL.md](USER_MANUAL.md)*
 
diff --git a/docs/USER_MANUAL.md b/docs/USER_MANUAL.md
index 5b545c4..c650cd5 100644
--- a/docs/USER_MANUAL.md
+++ b/docs/USER_MANUAL.md
@@ -1,6 +1,6 @@
 # AD Smart Pickup — user manual
 
-Version 1.17.1 · Farming Simulator 25 · add-on for AutoDrive
+Version 1.17.2 · Farming Simulator 25 · add-on for AutoDrive
 
 *Dansk version: [BRUGERMANUAL.md](BRUGERMANUAL.md)*
 
diff --git a/tests/test_adSources.lua b/tests/test_adSources.lua
index 97fb0a2..bee7fb7 100644
--- a/tests/test_adSources.lua
+++ b/tests/test_adSources.lua
@@ -287,6 +287,27 @@ tmrStorage.fillLevels[BEET] = 20000
 tmrFactory.spec_productionPoint.productionPoint.getIsProductionEnabled = function() return false end
 check("S11 slukket produktion -> 0", ADSources.getFarmDemand(adEnv, BEET, 1, {}).liters, 0)
 
+-- S11b: staldens OUTPUT (mælk, gylle) er aldrig et behov — kun varer i foderkrybben er foder
+local MILK_OUT = 13
+local feedBarn = {
+    rootNode = {x = 960, z = 960}, ownerFarmId = 1, getOwnerFarmId = function() return 1 end, getName = function() return "Malkestald" end,
+    spec_husbandryFood = {litersPerHour = 2000, fillLevels = {[FORAGE] = 1000}},
+    getHusbandryIsFillTypeSupported = function(self, ft) return ft == MILK_OUT or ft == FORAGE end,
+    getHusbandryFillLevel = function(self, ft) return ft == MILK_OUT and 200000 or ft == FORAGE and 1000 or 0 end,
+    getHusbandryFreeCapacity = function(self, ft) return 9999999 end,
+}
+table.insert(g_currentMission.placeableSystem.placeables, feedBarn)
+check("S11b mælk er ikke behov", ADSources.getFarmDemand(adEnv, MILK_OUT, 1, {}).liters, 0)
+check("S11b foder er behov (2000 l/t × 24 − 1000)", ADSources.getFarmDemand(adEnv, FORAGE, 1, {}).liters, 47000)
+-- tom krybbe: foderet kendes fra dyretypens foderdefinition
+feedBarn.spec_husbandryFood.fillLevels = {}
+feedBarn.getHusbandryFillLevel = function(self, ft) return ft == MILK_OUT and 200000 or 0 end
+g_currentMission.animalFoodSystem = {getAnimalFood = function() return {groups = {{fillTypes = {FORAGE}}}} end}
+check("S11b tom krybbe: foder stadig behov", ADSources.getFarmDemand(adEnv, FORAGE, 1, {}).liters, 48000)
+check("S11b tom krybbe: mælk stadig ikke behov", ADSources.getFarmDemand(adEnv, MILK_OUT, 1, {}).liters, 0)
+g_currentMission.animalFoodSystem = nil
+table.remove(g_currentMission.placeableSystem.placeables)
+
 -- S12 (inventar): alt gården har liggende, pr. bygning, kun bygninger med indhold
 factory.ownerFarmId = 1; silo.ownerFarmId = 1; objectStorage.ownerFarmId = 1
 local inventory = ADSources.getFarmInventory(adEnv, 1)