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Imagine standing in your kitchen, holding a piece of meat. Maybe it’s a beautiful organic, pasture-raised cut that cost more than your own dinner last night. Or perhaps it’s that bulk buy from Costco that’s going to help you stretch your budget. Here’s what’s fascinating – your dog’s body doesn’t care about those labels. What it cares about is something far more fundamental: the fat content.

Let me share a story that might help you understand why. Think about the last time you did the dishes after a particularly greasy meal. Remember how that dish soap cut through the grease, transforming it from stubborn spots into something that could easily wash away? Your dog’s body has its own version of this – it’s called bile and lipase. Just like dish soap breaks down grease, bile helps break down fats so that lipase can break the fat down further so it can be used by the body.

When people debate raw versus cooked diets for dogs, they often focus on the cooking process itself. However, the real difference lies in how dogs process fat. This single factor shapes the entire structure of both dietary approaches and determines why they look fundamentally different.

Raw Fat Is Easier To Digest

If you’re feeding raw, your dog can be fed fattier cuts of meat.

This is because fat acts like a slow-release capsule. Its cellular structure remains intact, complete with natural enzymes that aid digestion. When a dog consumes raw fat:

  • Mitochondrial function optimizes energy production
  • Lipase enzymes efficiently break down fat molecules
  • Natural emulsification processes work smoothly
  • Fat-soluble vitamins maintain their bioavailability
  • The liver processes fats gradually without strain

A raw diet naturally includes:

  • Raw meaty bones
  • Muscle meat with its natural fat content
  • Organ meats
  • Seafood for Omegas
  • Minimal or no need for vegetables
  • No requirement for carbohydrates

The beauty of this structure lies in its simplicity. Bones naturally moderate protein levels, while raw fat provides efficient energy. The intact cellular structure maintains proper nutrient ratios and enzyme activity. This matches ancestral eating patterns and typically requires minimal supplementation.

Cooked Fat Complications

Heat fundamentally alters fat’s molecular structure, creating a cascade of digestive challenges:

  • Increased bile production requirements
  • Higher pancreatic stress
  • Modified fatty acid chains needing extra processing
  • Disrupted cellular membranes leading to rapid fat release
  • Potential inflammatory responses to heat-altered fats

This difference in fat processing explains why, in my observations, raw and cooked diets must be structured differently.

I have seen commercial kidney diets that are low in protein, and low in carb, have higher fat levels. This is because the ingredients include fattier cuts of meat. On one hand the amount of protein will be low, the carbs will be low, but then the fat level is higher.

If your dog can metabolize cooked fat without any issues, these recipes can be fed to your dog, but if your dog also has a history of pancreatitis, diabetes, or gall bladder sludge, then these recipes will not work for you.

Most people find themselves here on my website because your dog does not fit into the one-size-fits-all bucket. Your dog has more than one health priority. Sometimes, the nutritional goals might look like having a personalized recipe that is low in fat and protein, meaning that energy has to come from carbohydrates.

When cooked diets can’t include cooked fat, they require a different approach:

  • Ultra-lean meat (93-95% lean)
  • Root vegetables for energy replacement
  • Small amounts of grain (3-5%) for sustained energy
  • Supplemental calcium to replace bone content
  • Above-ground vegetables for fiber
  • Careful protein monitoring
  • Increased attention to mineral balance through supplements

The absence of usable fat necessitates these additions – they’re not fillers but crucial replacements for the energy that would have come from fat in a raw diet.

If You Are Planning to Cook Instead of Feed Raw, You Must Buy Lean Meat

You might be wondering, “How lean is lean enough?” Let me make this simple: think 93-95% lean or higher. Anything less, and you’re asking your dog’s liver and gallbladder to work overtime, processing more fat than they’re designed to handle efficiently.

If we feed cooked fat, eventually, your dog’s body will communicate their own “safe upper limits.” In nutrition, this is the amount of a nutrient we know we can feed without causing problems. It’s like knowing exactly how many guests your living room can comfortably hold. With fat, though, we don’t have that clear number. It’s more like having a party where you have to watch how comfortable everyone is and adjust accordingly.

Feeding cooked animal fat may result in soft stool that has mucus. They might have diarrhea. Or worse yet, issues that send you to the vet because of pancreatitis, gastritis, or gallbladder sludge.

Considerations When Buying Meat

Here’s where theory hits the kitchen counter. Because I know you’re thinking about your budget and your time. Picture this: you’re standing in Costco (or, for me, the Business Costco in San Diego), looking at that big package of ground meat. Yes, it might have more fat than you want, but here’s what you can do:

If you’re cooking the meat, you have two choices. You can either:

  1. Invest in leaner cuts upfront
  2. Cook off the excess fat and drain it – though remember, this adds another step to your prep time

Note: Some links in this article are affiliate links (Amazon Associates or other programs I participate in). At no charge to you, as an affiliate, I earn from qualifying purchases.  

A Meat Grinder Is A Necessity For Those That Want Lean Meat At Lower Cost

For those of you willing to put in a bit more effort to save money, here’s what I do: I buy those larger, less expensive cuts that are already lean and grind them myself. Yes, it takes about an hour when you count cleaning up, but the savings can be significant.

For example, in my city, “meat stew” in bulk costs around $4 per pound. It’s lean, I don’t have to trim off any fat. If I were to buy that same meat at my regular Costco it may be up to $2 per pound more. Or if I buy it ground up, the trade-off for the convenience is that:

  1. There will be higher fat content
  2. I don’t really know what cuts were used to make that ground meat

Remember this: every time you prepare food for your dog, you’re not just making a meal – you’re making choices that directly impact their health.

Now that you understand the role of fat in cooked versus raw food, you can make those choices with confidence.

Whether you choose the premium lean cuts or decide to put in the extra time with less expensive options, what matters most is understanding why you’re making that choice. Because in the end, it’s not about the price tag or the label – it’s about giving your dog’s body what it needs to thrive.

The Bottom Line

Understanding fat’s role in canine digestion reveals why raw and cooked diets must be structured differently. It’s not about which method is better but rather about respecting how dogs process fat in their different states.

This knowledge allows us to create optimal meals regardless of our chosen feeding method, ensuring our dogs receive proper nutrition while maintaining digestive health.

Whether choosing raw or cooked, success comes from understanding this fundamental difference in fat processing. Once you grasp this concept, the reasoning behind each diet’s structure becomes clear, allowing for better-informed feeding decisions tailored to individual dogs’ needs.

What small step will you take today to be aware of the fat content in your dog’s next meal?


About the Author

Hannah Zulueta obtained her Certificate in Canine Nutrition from CASI Institute. She is also studying for her Doctorate in Acupuncture, Traditional Chinese Medicine, and Herbalism from the esteemed Pacific College of Health and Medicine. If you’re as keenly interested in health for yourself, visit her website for human health: Satori Acupuncture and Herbs.

She resides in San Diego with her three dogs, Maggie, Orbit, and Mr. Higgins.

She is available for one on one consultations. She develops evidence-based recipes that meet both NRC and AAFCO nutritional standards while integrating the therapeutic food principles of Traditional Chinese Veterinary Medicine into her formulations.

Additionally, you can find her sharing free content on Instagram.