Animal Rights

Birds

• The Guardian – The Free Range Con
• Free From Harm – The Unavoidably Violent History of Backyard Eggs 
• Coventry Telegraph – Inside farms supplying free range eggs UK
• RSPCA – What happens to male chicks in the egg industry?
• Huff Post – Male chicks ground up alive
• Poultry Hub – Chicken de-beaking
• CIWF – Information on de-beaking
• Research Gate – Studies of fowl intelligence
• Science Direct – Maternal hen instincts
• Science Direct – Pain issues in poultry
• Science Direct – Methods of de-beaking
• Submed – Welfare Implications of Avian Osteoporosis
• Huff Post – Eggs from caged hens
• The Guardian – KFC 1/3 of chickens suffer inflammation
• The Guardian – 1 million chickens die on way from farm to slaughterhouse
• Jeb Biologists – Modern broiler chickens selective breeding
•  Pubmed – Heart failure in broiler chickens
• Independent – Chickens die of thirst / had necks crushed
• Independent – Turkeys kicked and left wounded

Cows

• AVMA – Cattle castration welfare implications
• Humane Society – Welfare of Cows in Dairy Industry
• Beefsite – De-horning of calves
• Science Daily – separation of mother & calf long-term impact
• Science Direct – Responses of dairy cows & calves after separation 
• Science Direct – Maternal behaviour in cattle 
• Science Direct – Welfare of cattle housed in feedlot pens
• RSPCA – What happens to male calves?
• WPR – Dairy cow slaughter increases as farmers focus on profit
• PubMed – Slaughter of pregnant cows
• Wired – Emotional Lives of Dairy Cows 
• Pennstate – Artificial insemination technique
• ResearchGate – Prevalence of respiratory disorders in veal calves
• Independent – Cows beaten with electric prods at small slaughterhouse

Pigs

• Pork Industry Institute – Pigs castrated without anesthetic
• PubMed – Maternal behaviour in pigs
• National Hog Farmer – Tail-docking pigs
• Washington Post – Your pig came from factory farm
• AVMA – Gestation crates sow welfare implications
• AVMA – Tail docking and teeth clipping pigs
• WBI Studies – Cognition, Emotion, and Personality in pigs
• Uni of Nebraska – Review of ammonia and pork production
• Research Gate – Nest-building behaviour in sows
• Pork.org – On-Farm Euthanasia of Swine
• Journal Animal Science – Physical euthanasia of neonatal piglets
• London Economic – Pigs resorting to cannibalism at ‘high welfare’ farm

Sea Animals

• The Guardian – Fish: The forgotten victims
• Independent – Thousands of seals shot to for salmon industry
• The Guardian – One of world’s largest seafood companies animal cruelty
• Fish Count – Fish sentience
• Smithsonian – It’s Official: Fish Feel Pain
• Psychology Today – Fish sentience and intelligence
• Vanccouver Sun – Sea lice out of control in fish farms
• Uni of Guelph – Scales offer insight into chronic stress of fish

Honey

• Hobby Farms – Why do beekeepers smoke their hives?
• Beesource – Keepers killing bees before winter to cut costs
• Science Daily – High fructose corn syrup fed to bees causes harm
• Glenn Apiaries – Use of artificial insemination
• Scientific American – Do bees have feelings?

Animal Fabrics

• RSPCA – Welfare issues with sheep shearing
• HSI – Fur farming welfare
• National Geographic – China fur farming
• WA Government – Sheared sheep dying from hypothermia
• Food is Power – Sheep and goat farming
• Science Direct – Impact of lambing on sheep
• Sheep 101 – Lamb slaughter ages

Zoos and Aquariums

• National Geographic – Hundreds of animals at zoos & aquariums mistreated
• Born Free – Issues with zoos and aquariums
• BBC – Can orcas be healthy in captivity?
• The Guardian – If we really love animals we should close zoos
• Academia – Depression in caged animals
• Nature – Effects of captivity on wide-ranging carnivores
• Uni of Plymouth – Visitor effects on zoo animals
• Science Direct – Effects of group sizes on zoo animals
• Animal Ethics – Zoos killing animals for profit
• Psychology Today – Zoos killing healthy animals
• Freedom For Animals – 10,000 animals may be killed by European zoos annually
• The New Yorker – Animal culling in Zoos
• Society & Animals – Evaluation of visitor attitudes in zoos and aquariums
• Sentient Media – Is our entertainment worth their suffering?
• NY Times – Zoos are not worth the moral cost

Sport

• Saaw International – Horse Racing
• NCBI – Analysis of horse racing injuries
• Forbes – Racing industry silent about slaughtered horses
• Uni of Southampton – Learned helplessness in horses
• PubMed – Survey of injuries at greyhound tracks
• The Independent – Mystery of missing greyhounds
• HuffPost – Rodeos: Must the Show Go On?
• Uni of California – Fish struggle to eat after catch and release
• BBC – Thousands of racehorses killed in slaughterhouses
• Scientific American – Do we really need to cull deer herds?
• Born Free – Trophy Hunting: Busting the myths

Animal Companions

• ASPCA – Animal homelessness and shelter statistics
• Animal Rescue Corps – Puppy Mills
• Humane Society – Puppy mills facts and figures
• ASPCA – Puppy mills 101
• Petful – Kitten mills

Animal Testing

• New Scientist – How human biology can prevent drug deaths
• Live Science – Animal experiments not reliable for human health
• Live Science – 2500 studies declare animal sentience
• Science Mag – 100 million rodents may be killed in animal tests
• Cruelty Free International – Alternatives to animal testing
• Humane Society – Pursuing full replacement of animal testing