how to calculate phosphorus in dog food

The guaranteed analysis on the bag or can does not measure in "dry matter basis" (DMB) but rather "as fed". Feeding your dog a proper diet for their life stage is one of the most important aspects to help keep them at optimal health. Remember, using the data from cans of food in the USA for this exercise is often unreliable because the data on the cans tend to be maximums or minimums rather than actual data. More recently, however, a new wave of high-meat/high-protein foods have shown that as long as it comes from good, animal sources, dogs are more than capable of handling high amounts of protein. The chart lists food from lowest to highest in phosphorus, based on dry matter, so it's a great resource. as the food is in the bag or can). Adding bone meal to a dog’s food will help support its digestion and maintain its good health. Go To Itchmo.com: Read the latest cat, dog and pet news, pet food recall info, product reviews and more — updated daily. Quantity (%) Moisture (%) When comparing pet food, the reported guaranteed analysis must be converted to dry matter basis. Calcium-to-phosphorus ratio 1:1 to 1.8:1 5. Hi 4leggers: Here's a website with instructions on how to calculate dry matter basis. Many owners use the label to compare the amounts of nutrients in different pet foods. Shop for High Quality Protein Low Phosphorus Canned Dog Food And How To Calculate Protein In Dog Food High Quality Protein Low Phosphorus Canned Dog Food And Ho He eats 320g of this a day Visit the recipes section for renal-friendly meals and snacks that are low in phosphorus. They had all the figures I wanted immediately available. Sport Dog Food believes in complete transparency … Currently, I am feeding him can cat food that contains: 81% moisture 1240 calories/kg (wet) 1.61% phosphorus dry matter basis. These nutrient amounts are usually given on an “as fed” basis (i.e. As an example, think about the two foods in Table 1 below. Here are some links that might be useful: This topic and canine nutrition in general has been discussed on the VETMED mailing list, a moderated discussion list on veterinary and animal health topics. The figures in the above table were collected in March 2002 and the Natura figures were revised in April 2003 when more detailed data was provided. In the body of the message, type: SUB VETMED Yourfirstname Yourlastname This is because the percentages on the label include all the water in the food and don’t take into account the calories in the food, either. It might seem daunting to calculate the calcium:phosphorus ratio in a home prepared raw diet for your dog … but it’s really not that complicated. Once you get these numbers, the comparison isn’t as easy as it seems, however. Dr. Heinze has done consulting for Lafeber and WellPet, given sponsored talks for Nestlé Purina PetCare and the Pet Food Institute; and provided professional services to Balance IT.com and Mark Morris Institute. Perhaps your vet has suggested trying a lower fat diet for your cat. Table 1. So to calculate how much phosphorus percentage is in just the food portion aka the dry matter, you would take the total phosphorus % divided by the dry matter % and times that by 100 to get your dry matter phosphorus % (i.e. However, dogs will eat more of a low-calorie ration, so the actual phosphorus intake might be as high or higher. Supplement your dog with calcium by giving around 1000 mg calcium per pound of food. The numbers you get from the label (and usually the numbers you get from the manufacturer) are usually either in percent, mg/kg, ppm (parts per million), or more rarely IU/kg. If your dog requires 500 calories per day to stay at her optimal weight, she’d need to eat 2 cups of Diet A per day or 1 cup of Diet B per day to meet her calorie needs. Will this be safe to use? Bones are a safe source of dietary calcium and if dogs eat enough of them, the diet will be balanced without a lot of difficult calculations. You should generally not plan on giving your pet low phosphorus dog food … This calculation is expressed below for both Blue Buffalo and Canidae. And not only do we love the pets, we also love their people, and you are our reason for making this site. These subcommittees established the "AAFCO Dog Food Nutrient Profiles" and the "AAFCO Cat Food Nutrient Profiles" that appeared in the Official Publication of the AAFCO in 1992 and 1993, respectively. Dogs are omnivores meaning that, under normal circumstances, dogs can meet their nutritional needs by eating a combination of plant and animal foods. Raw diets, when prepared properly, are certainly the healthiest ways to feed dogs. A broken heart: Risk of heart disease in boutique or grain-free diets and exotic ingredients, It’s Not Just Grain-Free: An Update on Diet-Associated Dilated Cardiomyopathy. Itchmo Forums for Cats & Dogs > Pet Health (not to be substituted for qualified vet advice) > Feline Chronic Renal Failure and Insufficiency > Need help in determining levels of phosphorus in canned food. We know that many of you like having all the information at your fingertips regarding your pup's nutrition. Subscribe to always know when we add new material! Some low-phosphorus foods Alternately, you may purchase bone meal to add calcium to your dog's food. “The food your dog or cat is consuming should achieve an optimum calcium-to-phosphorous ratio. Search. Meat itself is very high in phosphorus and low in calcium. Ideally, this should be 1:1. If you would like to join the VETMED list, send an email to: LISTSERV@IUPUI.EDU Washington State University College of Veterinary Medicine has a chart: "Canine Diets to Impact Kidney and Urinary System Health at: Washington State University's page on Chronic Renal Failure: Article, "Feeding the Older Dog" on Speedyvet site discussing protein/phosphorus intake for older dogs. In other words, a canned food with 78% water can now be compared to a dry food that contains 11% water or two wet foods with different amounts of moisture using the following equation: The following online calculator utilizes the above equation to calculate the DMB. Looks like the carbs is 3% but they list the phosphorus as .093 gms. It seems obvious that it should be the canned food, but as you can see below, once we take the water out (called dry matter) and adjust for the calories, the canned food actually has nearly twice the fat that is in the dry food. Phosphorus. Dry Matter Basis Calculator For Pet Food. srs2@erols.com, http://www.prescriptiondiet.com/NutritionandHealth/lifestage.asp, http://www.fda.gov/cvm/index/consumer/petfood.htm, http://nss.vet.ohio-state.edu/Vdm/vetdietmanual.html, http://www.fda.gov/cvm/index/consumer/labelint.htm, http://www.vetmed.wsu.edu/Boeing/small_animal_medicine/urolith.htm, http://www.vetmed.wsu.edu/boeing/small_animal_medicine/crf.htm, http://www.speedyvet.com/NIP/olddogs/default.htm, Figures are in percentages as measured on a Dry Matter Basis, AAFCO Dog Food Nutrient Profiles (% dry matter basis), Maximum Phosphorus: 1.6% (Dry Matter Basis), Puppies need higher levels of phosphorus and calcium in their diet than do adult dogs (because puppies are growing new bone, Canine nutrition research shows that older dogs require, Phosphorus content of most meats and in whole grains is relatively high (when measured per 100 calories or 100 grams of protein.). One of the most helpful sources of phosphorus information is the food chart on Tanya's site: link here. The damage to the kidneys is not detected until more than half the kidney function is already gone. While phosphorus in mg per 100kcal makes the comparison between foods simple, it's not a common measure that most consumers request, so it's not listed on dog food bags and many companies don't even have that information available. Cells that control bone growth, known as chondrocytes, first form a cartilage matrix called hyaline cartilage. Calcium is a phosphorus binder, so it can help decrease phosphorus levels and slow down the progression of kidney failure. Or they look on the manufacturers’ websites or even give them a call to get more information on nutrient levels. The most common usability is a complete dry food. There are a few problems with using this figure to compare phosphorus levels in dog foods. 25.0% Protein / 3,606 kcal/kg x 1,000: 6.9 grams of protein per 100 kcal. Raw Meal… Duck Wings – protein, fat, calcium, phosphorus, iron, zinc, copper, selenium, thiamin, riboflavin, niacin, Vitamin A, Vitamin B6, Vitamin B12, Vitamin C, and Vitamin E. Dogs are omnivores meaning that, under normal circumstances, dogs can meet their nutritional needs by eating a combination of plant and animal foods. Dogs need a balance between the amount of phosphorus and calcium they get in their daily diets. Pet Food Decisions: How Do You Pick Your Pet’s Food? The main function of phosphorus intake is the formation and growth support in your dog’s bones and teeth. Feeding your dog a proper diet for their life stage is one of the most important aspects to help keep them at optimal health. Dakota says some of her senior dog friends are suffering from kidney issues. "How much [Calcium] is "plenty"? Selecting a dog food can be a challenging task. Selecting a dog food can be a challenging task. Naturally occurring phosphorus in foods is absorbed less readily than chemical phosphorus additives. If "% of Daily Value" is shown, you can calculate the amount of phosphorus, … For these reasons, the best way to compare phosphorus levels is to use the measure of actual phosphorus content in milligrams per 100 kilocalories. Steve’s Real Food Inc. Eugene, OR 97401. Staff Member. Raw diets, when prepared properly, are certainly the healthiest ways to feed dogs. Some dog food companies use the figure of phosphorus in grams per 1000kcals, but that is easy to convert into mg/100kcal. As dogs grow older they can develop kidney failure, which is completely normal since their kidneys are no longer working at their full potential.Dakota says that moving to a Low Phosphorus Dry Dog Food diet is a great option to fend off kidney issues. 3. The profiles were reviewed in 1994/95 and updates to the maximum concentrations for vitamin A in dog foods were implemented in 1996. Dr. Linder has received speaker fees or research funding from Hill’s Pet Nutrition, Nestlé Purina PetCare, and Royal Canin, and has provided professional services for Mark Morris Institute. But too often many people get confused about the proper ways to add calcium and phosphorus and change a great diet into a poor diet. Look for "PHOS" in food labels and try to steer clear of them! Kidney disease and chronic renal failure are common problems in aged dogs. This is especially important in young, growing dogs. If your dog is suffering from chronic renal failure, be sure to discuss your dog’s diet with your vet. Guidelines for comparing pet diets, from the Ohio State Veterinary Hospital Nutrition Support Service: FDA's Center for Veterinary Medicine's page on "Interpreting Pet Food Labels - Special Use Foods". They need an adequate supply of raw meaty bones (RMBs) in their diet. Steve’s Real Food Inc. Eugene, OR 97401. Now let’s look at two cat foods, one dry and one canned (Table 2). 2.5 to 4.0 g phosphorus per 1000 calories. However, they are required to be in the list of ingredients. I emailed a few of the smaller brands, when the front-line support techs could not supply the figure of phosphorus per 100kcals, but I did not receive answers, even from Canidae, a company that has an staff nutritionist. If the ash content isn’t listed on the food, just use 7% for kibble and 2% for canned food. Diet A: Adult Dry Dog Food. Golightly Greyhounds Low phosphorus dog foods are available as prescription dog foods and commercially. Revised, 22 April 2002, SP, Copyright 2002, 2003 Stacy Pober. Some dog food companies use the figure of phosphorus in grams per 1000kcals, but that is easy to convert into mg/100kcal. These are real dry dog foods that both have the same % of calcium as fed. Every dog loves the real pumpkin and cinnamon taste. That amount is adequate to meet NRC guidelines for a 13# dog and enough to balance out calcium and phosphorus for the amount of food fed, so you should be fine. To further expatiate, the “as fed basis” depicts the overall nutritional content inclusive of moisture. Calcium content in dry food for young growing dog of large and giant breed with different manufacturers may vary and they ranging from 0.8% to 1.9%. Food companies don't even have to include these additives in the nutrition label. If "% of Daily Value" is shown, you can calculate the amount of phosphorus, which is … I assume it works to calculate the carbohydrates in dog food, too, but I don’t have a dog. A good guide would be to use a natural prey animal as standard - about 7-10% of its total weight will be bone, so anything in excess of 10% of the total diet would be "plenty". I have been looking up ways to accurately calculate the amount of phosphorus that my cat eats in grams but I can’t find any solid source. Dr. Freeman has received research support from, given sponsored lectures for, or provided professional services to Aratana Therapeutics, Elanco, Hill’s Pet Nutrition Nestlé Purina PetCare, P&G Pet Care (now Mars), and Royal Canin. These foods are formulated to have a lower phosphorus level but still provide dogs with the proper levels of the other nutrients and minerals they need in their diet. Restricting phosphorus … There's another important ratio to be considered in a dog's diet -- that of calcium to phosphorus. For example, if the N-P-K ratio is 2-10-1, 10 percent of the fertilizer is phosphorus. Do a quick calculation (divide percentage by calorie density then multiply by 1,000): Diet A: Adult Dry Dog Food. During birth and growth, this matrix is replaced at the epiphyses and metaphyses of long bones in a process called endochondral ossification. Finding Low-Phosphorus, High-Protein Dog Foods There aren’t many good ones, which is why a number of vets recommend that pet owners who have older dogs or dogs with kidney issues supplement over-the-counter dog foods with homemade meals. Mattie’s healthy treats for dogs with kidney disease possesses light rye flour, tapioca flour, pure pumpkin, cinnamon, omega 3 fish oil, canola oil. 3,606 kcal/kg. Similarly, Natura, the company that makes California Natural and some other lines of food emailed me a comprehensive spreadsheet for their foods. Low Phosphorous Dog Food Options. Best Non Prescription Low Phosphorus Cat Food: If you’re determined to feed your cat low phosphorus cat food but you want to avoid prescription diets, Dave’s Pet Food Restricted Diet Phosphorus Chicken Formula canned food is a good option. Table 2. Carbohydrate content in Blue Buffalo (wet food) 100% – 33.33 – 13.33 – 7.78 – 2.5 – 0 = 43.06% Carbohydrate During this time, the skeletal system is highly susceptible to physical, metabolic, and nutritional insults. Remember,  if the company can’t or won’t give you this information, it should be a red flag and you probably don’t want to feed that food to your pet. Two things need to be considered about nutrient levels in pet food: As an example, think about the two foods in Table 1 below. Something to remember is that when feeding a ground poultry diet, it automatically has a higher bone content than say a beef diet since the size of the animal is so drastically different. They use natural ingredients to deliver low protein and low phosphorus sweet food. However, they differ dramatically in terms of calories! All phosphorus is not created equal. Aug 5, 2015 #2 LTS3 TCS Member. If you want to know why some brands are included and others not, one of the main criteria were how easy it was to obtain the figures. srs2@erols.com Phosphorus. So here is a list of common foods that I feed to my dogs with a list of nutrients that they'll get in their diet. To use this calculator, you’ll need 2 pieces of information: Posts authored by the Clinical Nutrition Service team are by Dr. Lisa M. Freeman, DVM, PhD, DACVN, Dr. Deborah E. Linder, DVM, MS, DACVN, and Dr. Cailin R. Heinze, VMD, MS, DACVN. What’s more, a dog’s nutritional needs varies throughout their life. When Low Phosphorus Dog Food Is a Good Option. If you have a low phosphorus kibble that you would like to see added to this spreadsheet, send me a message and I’ll get it added! Dog food has never been better researched with recipes created using the latest in nutritional science to calculate the correct balance of vitamins, minerals, protein, carbohydrates and fats. Washing and cooking in extra water that is discarded may remove some phosphorus as well as other nutrients, which may account for phosphorus being lower in cooked versions. Joined Aug 29, 2014 Messages 14,237 Reaction score Use this versatile tool to calculate Calcium/Phosphorus rations, estimate carbs, dry matter basis, and so much more. Dakota says some of her senior dog friends are suffering from kidney issues. All things being equal, any food that is nutritionally dense (high calorie) is going to have higher 'as fed' phosphorus percentages than any low-calorie food. Calculate the N-P-K percentage necessary in the fertilizer you will use. There are two common measures of phosphorus. Add to the finished food one tablespoon of olive or canola oil per 20 pounds of your dog's body weight per day to keep his coat healthy and shiny. Learn more about the Clinical Nutrition Team at Tufts. Our pets can easily digest and absorb the Calcium and other nutrients found in bone. 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( RMBs ) in their daily diets the list of ingredients that many of you like having all the.. And other nutrients found in bone a phosphorus level of.80 or below young, growing dogs dog a diet... Were to cook wet dog or cat food support its digestion and maintain its good health my! Especially for energy-dense foods… those containing more than half the kidney function is already gone nutrient amounts are usually on! Them together t listed on the manufacturers ’ websites or even give them a call to get more information nutrient! Basis ” depicts the overall nutritional content inclusive of moisture ” basis ( i.e: link Here the label. And one canned ( Table 2 ), and you ’ ll find something the... Let ’ s food lists and recipes provided by the dietitian help you learn about phosphorus control ingredients to low! Or even give them a call to get more information on nutrient levels to convert into mg/100kcal than. 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