Andrew Knight videos

1. Recent Research

Sustainable Pet Diets: A Leading Effective Altruism Issue

Nutritional Soundness of Vegan and Meat-based Pet Foods 04:03

Nutritional Soundness of Vegan and Meat-based Pet Foods

 Can Dogs And Cats Digest Plant-Based Pet Foods? 03:45

Can Dogs And Cats Digest Plant-Based Pet Foods?

 Sustainable Pet Diets: A Leading Effective Altruism Issue 03:49

Sustainable Pet Diets: A Leading Effective Altruism Issue

 How Much Do Chickens Suffer When Gassed With CO2 03:39

How Much Do Chickens Suffer When Gassed With CO2

 How Much Does Animal Farming Contribute to Climate Change 04:16

How Much Does Animal Farming Contribute to Climate Change

 Consumer Acceptance of Sustainable Dog Food 03:36

Consumer Acceptance of Sustainable Dog Food

 Consumer Acceptance of Sustainable Cat Food 03:41

Consumer Acceptance of Sustainable Cat Food

 Meat Based Versus Vegan Pet Food: Environmental Sustainability 04:19

Meat Based Versus Vegan Pet Food: Environmental Sustainability

 How Should Pigs be Stunned at Slaughter? 04:26

How Should Pigs be Stunned at Slaughter?

 How Much do Vegan Diets Improve the Health of Dogs? 06:18

How Much do Vegan Diets Improve the Health of Dogs?

 Fox Control Methods Animal Welfare and Ethical Implications 04:45

Fox Control Methods Animal Welfare and Ethical Implications

 Should Tigers Be Used Within Travelling Circuses? 07:48

Should Tigers Be Used Within Travelling Circuses?

 The Welfare of Backyard Chickens 04:35

The Welfare of Backyard Chickens

 Influenza Risks From Pig and Poultry Farms 04:29

Influenza Risks From Pig and Poultry Farms

 Cell Based Seafood: Japanese Consumer Views 04:08

Cell Based Seafood: Japanese Consumer Views

 Could Vegan Pet Food Help Save the Planet 05:17

Could Vegan Pet Food Help Save the Planet

 Are Vegan Diets Good for Cats 05:05

Are Vegan Diets Good for Cats

 Meat Chickens and Colony Cages 04:12

Meat Chickens and Colony Cages

 Are Vegan Diets Good for Dogs? 05:47

Are Vegan Diets Good for Dogs?

 Should Cats and Dogs go Vegan? - Professor Andrew Knight, University of Winchester 01:05:12

Should Cats and Dogs go Vegan? - Professor Andrew Knight, University of Winchester

 Educational Animal Use Within Europe 06:03

Educational Animal Use Within Europe

 Pet Food Manufacturing 04:35

Pet Food Manufacturing

 Vegan Pets Are Just as Happy with Their Meals 03:44

Vegan Pets Are Just as Happy with Their Meals

 Greyhound Racing 03:42

Greyhound Racing

 Creating a Clinical Skills Laboratory for teaching surgical and clinical skills 02:58

Creating a Clinical Skills Laboratory for teaching surgical and clinical skills

 NZALA Report - inconsistencies between the Codes and the Act 04:26

NZALA Report - inconsistencies between the Codes and the Act

 The Green Protein Report 03:38

The Green Protein Report

 Wildlife Trade - Confiscated Animals 03:26

Wildlife Trade - Confiscated Animals

 Efficacy of Alternatives to Educational Animal Use 05:11

Efficacy of Alternatives to Educational Animal Use

 Animal Research and Depression 05:17

Animal Research and Depression

 Sow farrowing crates NZ 01:39

Sow farrowing crates NZ

 Supermarket Chicken and Pandemics 05:35

Supermarket Chicken and Pandemics

 Primate Research 04:44

Primate Research

 Animal welfare in New Zealand 04:43

Animal welfare in New Zealand

August 4, 2026

This video is adapted from 10.3390/ani16030460 - https://www.mdpi.com/2076-2615/16/3/460

Animal-based ingredients dominate dog and cat food, but growing concerns about animal welfare and the environment are increasing interest in more sustainable options, such as plant-based and cultivated meat-based pet foods. This study evaluated the case for sustainable pet food using the effective altruism framework of scale, neglectedness, and tractability, and found strong support on all three. Globally, by 2018, at least 9% of land animals farmed each year were used to feed dogs and cats, with more consumed by average dogs (13) than by average people (9) annually. Switching to nutritionally sound vegan pet diets worldwide could spare around seven billion land animals and many billions of marine animals from slaughter, while freeing enough food energy to feed 519 million people. Transitioning only dogs could cut greenhouse gas emissions equal to 1.5 times the UK’s annual output and free land larger than Mexico. Despite these benefits, sustainable pet food receives little funding, attention, or talent. However, the issue is tractable: 13–18% of pet guardians would consider vegan diets if their concerns were met. Assuming only one dog or cat per guardian this could allow at least 70 million dogs and 86 million cats to transition globally, with the true figures probably several times greater. Overall, sustainable pet diets are a largely overlooked but high-impact opportunity to reduce farmed animal consumption, lower environmental harm, and improve food security.
Tags: Vegan Pet Food

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