Pet food

Pet food is plant or animal material intended for consumption by pets. Typically sold in pet stores and supermarkets, it is usually specific to the type of animal, such as dog food or cat food. Most meat used for nonhuman animals is a byproduct of the human food industry, and is not regarded as "human grade".

Four companies—Procter & Gamble, NestlĂ©, Mars, and Colgate-Palmolive—are thought to control 80% of the world's pet-food market, which in 2007 amounted to US$ 45.12 billion for cats and dogs alone.

Industry
Pet food-industry

Pet food sales in 2016 reached an all time high of $28.23 billion in the United States. Mars is the leading company in the pet food industry, making about $17 billion annually in pet care products. Online sales of pet food are increasing and contributing to this growth. Online sales in the US increased 15 percent 2015. Worldwide, the increase in online sales of pet food is between 6 and 14 percent. In 2015, the US lead the world in pet food spending.

Formulations of mainstream commercial pet foods are generally based on nutrition research and many manufacturers undertake animal nutrition studies. For instance, Mars, Incorporated funds the Waltham Centre for Pet Nutrition, which undertakes scientific research into pet nutrition and wellbeing, sharing its findings in publicly available peer-reviewed journals.

Fish food

Fish foods normally contain macronutrients, trace elements and vitamins necessary to keep captive fish in good health. Approximately 80% of fishkeeping hobbyists feed their fish exclusively prepared foods that most commonly are produced in flake, pellet or tablet form. Pelleted forms, some of which sink rapidly, are often used for larger fish or bottom-feeding species such as loaches or catfish. Some fish foods also contain additives, such as beta carotene or sex hormones, to artificially enhance the color of ornamental fish.

Bird food

Bird food-pet-pets

Bird foods are used both in birdfeeders and to feed pet birds. It typically consist of a variety of seeds. Not all birds eat seeds. Suet (beef or mutton fat) is recommended for insect-eating birds such as nuthatches and woodpeckers. Nectar (essentially sugar water) attracts hummingbirds.

Cat food
Cat food-pets-pet-cat

Cats are obligate carnivores, though most commercial cat food contains both animal and plant material supplemented with vitamins, minerals and other nutrients. Cat food is formulated to address the specific nutritional requirements of cats, in particular containing the amino acid taurine, as cats cannot thrive on taurine-deficient food. Optimal levels of taurine for cat food have been established by the Waltham Centre for Pet Nutrition

Dog food

Recommendations differ on what diet is best for dogs. Some people argue dogs have thrived on leftovers and scraps from their human owners for thousands of years, and commercial dog foods (which have only been available for the past century) contain poor-quality meats, additives, and other ingredients dogs should not ingest, or that commercial dog food is not nutritionally sufficient for their dogs. However, many commercial brands are formulated using insights gained from scientific nutritional studies and there is no reliable peer-reviewed evidence that domestic options are superior. Most store-bought pet food comes in either dry form, also known as kibble, or wet, canned form.

Raw feeding

Raw feeding is the practice of feeding domestic dogs and cats a diet consisting primarily of uncooked meat and bones. Supporters of raw feeding believe the natural diet of an animal in the wild is its most ideal diet and try to mimic a similar diet for their domestic companions. They are commonly opposed to commercial pet foods, which they consider poor substitutes for raw feed. Opponents believe the risk of food-borne illnesses posed by the handling and feeding of raw meats would outweigh the purported benefits, and no scientific studies have been done to support the numerous beneficial claims.

Feeding human foods to animals

Prepared foods and some raw ingredients may be toxic for animals, and care should be taken when feeding animals leftover food. It is known that the following foods are potentially unsafe for cats and dogs:

·         Chocolate, coffee-based products and soft drinks
·         Raisins and grapes
·         Macadamia nuts
·         Garlic (in large doses) and onions
·         Alcohol

Generally, cooked and marinated foods should be avoided, as well as sauces and gravies, which may contain ingredients that, although well tolerated by humans, may be toxic to animals. Xylitol, an alternative sweetener found in chewing gum and baked goods designed for diabetics, is highly toxic to cats, dogs and ferrets.

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