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{{Stub|reason=Proper analysis, including comparison with non-chicken egg layers, needed.}}
 
{{Infobox main|animal
 
{{Infobox main|animal
 
| page verified for version = 1.3.3101
 
| page verified for version = 1.3.3101
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| eggtime = 1
 
| eggtime = 1
 
| eggs_unfertilized = true
 
| eggs_unfertilized = true
| combatPower = 30
 
 
| bodysize = 0.3
 
| bodysize = 0.3
 
| healthscale = 0.35
 
| healthscale = 0.35
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| attack3chancefactor = 0.2
 
| attack3chancefactor = 0.2
 
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A small, domesticated waterfowl, '''Ducks''', called '''ducklings''' as babies, are not found in the wild, and can only be [[Trade#By_inventory|purchased from traders]] or received in [[Events#Animal_self-tamed|self-taming events]]. Like [[chicken]]s, ducks mature quickly and lay eggs often, making them both good meal birds and sources of [[Duck egg (unfert.)|eggs]]. Males of the species can be distinguished by their green heads and two-tone body while females have a solid colour head and body with darker wings.
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A small, domesticated waterfowl, '''Ducks''' are not found in the wild, and can only be purchased from traders or received in self-taming events. Similar to Chickens, Ducks mature quickly and lay eggs often, making them both good meal birds and sources of [[Duck egg (unfert.)|eggs]]. Males of the species can be distinguished by their green heads and two-tone body while females have a solid colour head and body with darker wings.
 
 
== Summary ==
 
{{Pen Animal Note|Ducks}}
 
 
 
A female duck produces {{P|Eggs Per Clutch Average}} [[egg]] every {{P|Egg Laying Interval}} day. Ducks can lay both [[Chicken egg (unfert.)|unfertilized]] and [[Chicken egg (fert.)|fertilized]] eggs, depending on if it has mated with a male.
 
  
 
== Analysis ==
 
== Analysis ==
Ducks are the second best animal for egg production, and one of the best overall animals for meat production. Ducks reproduce rapidly.
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As of version 1.3, Ducks are equivalent to [[chicken]]s as livestock in all but their hunger rate, where they require 20% more nutrition per day. Nearly all other attributes are equivalent, with the exception of Ducks having better damage output should they be involved in a melee.
 
 
Ducks are nearly identical to [[chicken]]s, providing the same yields in both meat and eggs. However, ducks consume 20% more nutrition, meaning that chickens are better livestock. If chickens are not available but ducks are, then ducks can be a suitable replacement.  
 
  
===Eggs===
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== Livestock ==
An adult duck consumes {{P|Real Hunger Rate}} nutrition per day, and produces {{#vardefineecho:egg_nutr_per_day|{{#expr:{{P|Eggs Per Clutch Average}}/{{P|Egg Laying Interval}}*{{Q|Chicken egg (unfert.)|Nutrition}}}}}} nutrition of eggs each day. This results in a nutrition efficiency of {{%|{{#var:egg_nutr_per_day}}/({{P|Base Hunger Rate}}*1.6) round 3}} when unfertilized eggs are eaten. [[Overeating]], and the existence of males, will lower nutrition efficiency in practice.
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{{Rewrite|reason=Outdated numbers - should be automated to draw numbers from the infobox}}
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A Duck takes 3.5 to gestate in a fertilzed [[Duck egg (fert.)|egg]], 7.2 days to become a juvenile, and a total of 18 days to reach adulthood.
  
Note that slaughtering ducklings gives more nutrition than eating unhatched eggs (0.6 from meat rather than {{Q|Duck egg (fert.)|Nutrition}} from 1 egg). However, a handler has to actually slaughter each duck, and a butcher's yields are multiplied by [[Butchery Efficiency]]. So if you don't have a skilled cook, eggs may be better for nutrition. Also, eggs are vegetarian.
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Ducks will regularly lay eggs if female, even if unfertilized, like [[chicken]]s but unlike most other egg-laying livestock. Each egg has enough nutrition to replace the meat component in a fine meal. If you also have a male duck, he may fertilize eggs before the female lays them. These eggs will then hatch into a duckling, so long as it is left alone and does not experience extreme temperatures (Less than 0C, greater than 50C). Unfertilized eggs will never hatch. There is no difference between a fertilized and an unfertilized egg for the purpose of cooking. Ducks provide fewer eggs per day than chickens and have
  
===Meat===
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When slaughtered, a duck yields 5 meat as a duckling; 16 as a juvenile; or 38 as an adult. No leather is yielded. It's worth noting that allowing an egg to hatch and immediately slaughtering it for meat provides the exact same amount of nutrition as simply eating the egg. As a general rule this would mean that its still better to eat the egg as you don't need to wait until its hatched, the egg will last slightly longer in storage (important if you live somewhere with regular heat waves) and you don't need to generate a butchering job, unless you plan on making pemmican which requires meat exclusively.
When slaughtered, a duck yields {{#vardefineecho:baby_meat|{{Meat Leather Curve|{{#expr:{{P|Body Size}}*0.1*140}}}}}} meat as a duckling; {{Meat Leather Curve|{{#expr:{{P|Body Size}}*0.5*140}}}} as a juvenile; or {{Meat Leather Curve|{{#expr:{{P|Body Size}}*140}}}} as an adult. No leather is yielded.
 
 
 
When ducklings are slaughtered, an always-fertilized female duck produces {{#expr:{{Meat Production|{{PAGENAME}}|Baby}} round 2}} nutrition per day, resulting in a nutrition efficiency of {{%|{{Meat Production|{{PAGENAME}}|Baby}}/({{P|Base Hunger Rate}}*1.6) round 3}} when not considering males, or {{%|{{Meat Production|{{PAGENAME}}|Baby|{{#vardefineecho:femaleratio|{{#expr: 2/3*24*{{P|Egg Laying Interval}}/{{P|Mate Mtb Hours}} round 2}}}}}}/{{Nutrition Consumption|{{PAGENAME}}|Baby|{{#var:femaleratio}}|1}} round 3}} when accounting for the {{#var:femaleratio}}:1 female:male ratio needed to achieve a good [[Animals#Mating|fertilization rate]].
 
 
 
As a duck grows into adulthood, it will consume {{#expr:{{Consumption Upto Adulthood}} round 2}} nutrition in total, and will yield {{#expr:0.05*({{P|Meat Yield}} - {{#var:baby_meat}})}} more nutrition when slaughtered than it would as a baby. Therefore, it is better to slaughter ducks as soon as they hatch from an egg.
 
 
 
When slaughtered as ducklings, ducks are better than almost all animals in terms of theoretical meat : food consumption ratio, below [[chicken]]s and [[tortoise]]s. This efficiency is lower than it seems, as ducks are prone to [[overeating]]. Due to the amount of slaughtering required with ducks, players may prefer to ranch [[horse]]s or [[ibex]] instead.
 
  
 
=== Feeding ===
 
=== Feeding ===
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* '''Soil:''' {{#Expr: ceil(1.6 * {{P|Base Hunger Rate}}/{{Q|Hay|Nutrition}})/({{Q|Haygrass|Harvest Yield}}/({{Q|Haygrass|Real Grow Days}} / (((1.0-1)*{{Q|Haygrass|Fertility Sensitivity}}) + 1))) round 2}}
 
* '''Soil:''' {{#Expr: ceil(1.6 * {{P|Base Hunger Rate}}/{{Q|Hay|Nutrition}})/({{Q|Haygrass|Harvest Yield}}/({{Q|Haygrass|Real Grow Days}} / (((1.0-1)*{{Q|Haygrass|Fertility Sensitivity}}) + 1))) round 2}}
 
* '''Rich Soil:''' {{#Expr: ceil(1.6 * {{P|Base Hunger Rate}}/{{Q|Hay|Nutrition}})/({{Q|Haygrass|Harvest Yield}}/({{Q|Haygrass|Real Grow Days}} / (((1.4-1)*{{Q|Haygrass|Fertility Sensitivity}}) + 1))) round 2}}
 
* '''Rich Soil:''' {{#Expr: ceil(1.6 * {{P|Base Hunger Rate}}/{{Q|Hay|Nutrition}})/({{Q|Haygrass|Harvest Yield}}/({{Q|Haygrass|Real Grow Days}} / (((1.4-1)*{{Q|Haygrass|Fertility Sensitivity}}) + 1))) round 2}}
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Therefore, when slaughtered as juveniles, ducks have a nutrition efficiency (nutrition out for nutrition in) of 28.1%. This makes them the 10th most efficient animal to farm for meat; more efficient than [[capybara]]s, but less efficient than [[pig]]s and [[wild boar]]s.
  
 
== Training ==
 
== Training ==

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