Are there any detailed studies of the carbon footprint of pet food production?

There are plenty of articles asserting that meat in cat and dog food is a major source of carbon emissions (e.g. from Forbes), but they appear to refer to meat produced for human consumption. Pet food can be from a variety of sources, such as offal and/or animals that have reached the end of their life producing milk, wool or eggs (e.g. from the 2ndChance web site), so using the emissions figures calculated from meat for human consumption could be very misleading.

  • There is this study in PLOS about dogs and cats journals.plos.org/plosone/article?id=10.1371/… – Silmathoron Feb 6 at 10:56
  • Thanks .. that study doesn't answer the question about the difference between meat for human consumption and meat for pets, but I Iearnt a lot from it. – user3540774 Feb 7 at 11:15
  • By the way, regarding the difference between meat from dedicated herd and "dairy-production byproduct", here are the figures: ourworldindata.org/grapher/ghg-kcal-poore – Silmathoron Feb 8 at 13:46
  • Thanks again -- the "beef (dairy herd)" is an interesting category, and the report behind the graphic (Environmental Impacts of Food Production) has a huge amount of fascinating information. – user3540774 Feb 9 at 8:55
  • This article gives a pretty scary view of some of the things which get into pet food -- large quantities of waste products. I have the impression that they are talking about the major part of the market, but it is not clear what percentage of pet food is made up of waste animal products (e.g. diseased meat or non-meat parts containing protein). They give figures for specific regulated categories in the US, but nothing for the market as a whole. – user3540774 Feb 14 at 12:15

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