What is the scientific feeding ratio for dogs? How to accurately calculate the feeding amount?

Oct 25,2023
3Min

Feeding different foods for different dog breeds

Each food has its own energy value and calories, and the nutritional and energy values ​​required for dogs and cats at different stages, different breeds, different personalities, and whether neutered or neutered are also different. . Indiscriminate feeding may cause stunted growth in puppies and excessive obesity in neutered cats.

Energy of pet food

1. Energy of pet food Protein, fat, and carbohydrate have different energy values. Some high-quality dog ​​food and cat food brands will label the metabolic energy ME ( metabolizable energy calorie metabolizable energy).
The energy calculation method is: energy (kcal/g) = 3.5 X carbohydrate (g) + 3.5 X protein (g) + 8.5 X fat (g).

What if the amount of carbohydrates and ash is not marked?

Carbohydrate%=[100-crude protein-crude fiber-crude fat-crude ash-moisture]%

Ash is the ash left after placing food samples at a high temperature of 600°C for 3 hours. This process burns away all organic matter, leaving only a pinch of ash, which is minerals. If the ash content is not written on the packaging, the ash content value of 2.5% can be used for canned food and 8% ash content for dry food.

Then, its carbohydrate content = 100 - 24 - 13 - 5 - 10 - 10 = 38%.

Energy index=3.5*0.38 (0.38 carbohydrates per g) + 3.5*0.24 + 8.5*0.13=3.275 (kcal/g)

Cum 3275 kcal/kg. These 3741, 3657, 3275 (kilocalories) are the total energy value provided by each kilogram of grain.< br />

2. Daily nutritional needs of different pets

The nutritional needs of dogs and cats are divided into two parts,

1 is basal metabolic energy (RER-RestingEnergy Requirement), which is how many calories you need to consume if you do nothing every day and just wait quietly.

2 is the daily energy requirement (DER –Daily Energy Requirement), DER=RER*energy requirement coefficient.

Basic metabolic energy (RER) is calculated based on body weight:

Dog’s RER=70 X weight^0.75

(70 multiplied by weight raised to the power of 0.75, the unit is kilocalories KCal)

3. Determine the daily feeding amount.

Daily feeding amount = dog's daily total energy requirement DER ÷ pet food energy ME Assuming that a 10kg short leg eats N dog food, then feeding amount = 784 ÷ 3741 = 0.209kg cum 209g
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