What is Dog food?
'''Dog food''' is food made for dogs. Dogs are [[Omnivore|omnivores]] but they like to eat meat. They have sharp, pointed teeth and shorter [[Gastrointestinal tract|gastrointestinal tracts]] of [[Carnivore|carnivores]], better suited for meat than vegetables. Their feeding habits [[Evolution|evolved]] as they lived with humans in agricultural societies and ate scrap leftovers and [[Feces|excrement]] from humans.<ref>{{Cite journal|date=July 2016|title=Diet adaptation in dog reflects spread of prehistoric agriculture|journal=Heredity|pmc=5061917 |last1=Arendt |first1=M. |last2=Cairns |first2=K. M. |last3=Ballard |first3=J. W. |last4=Savolainen |first4=P. |last5=Axelsson |first5=E. |volume=117 |issue=5 |pages=301–306 |doi=10.1038/hdy.2016.48 |pmid=27406651 }}</ref> Dogs' ability to digest [[Carbohydrate|carbohydrates]] easily may be a key difference between dogs and [[Wolf|wolves]]. <ref>{{Cite journal | last1 = Axelsson | first1 = E. | last2 = Ratnakumar | first2 = A. | last3 = Arendt | first3 = M.L. | last4 = Maqbool | first4 = K. | last5 = Webster | first5 = M.T. | last6 = Perloski | first6 = M. | last7 = Liberg | first7 = O. | last8 = Arnemo | first8 = J.M. | last9 = Hedhammar | first9 = Å. | last10 = Lindblad-Toh | first10 = K. | title = The genomic signature of dog domestication reveals adaptation to a starch-rich diet | doi = 10.1038/nature11837 | journal = Nature | volume = 495 | issue = 7441 | pages = 360–364 | year = 2013 | pmid = 23354050|bibcode = 2013Natur.495..360A | s2cid = 4415412 }}</ref> [[File:Dog food stall.jpg|thumb|Dog treats on [[Bury]] market]] The first food was made specifically for dogs in the nineteenth century, Spratt's Patent Dog Biscuit. In the United States people spent around $23.3 billion in 2022 on dog food.<ref>{{Cite web|title=Dog Food in the US|url=https://www.euromonitor.com/dog-food-in-the-us/report|access-date=2023-05-20|website=Euromonitor}}</ref> ==References== {{reflist}} [[Category:Foods by type]] [[Category:Dogs]]