Raw Feeding Math Ebook

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Understanding The Math In BARF & PMR
Feeding Introduction..................................................................................................................................3 1. What Does Raw Dog Food Consist Of - The Different Components..................................6 2. How Much Raw Dog Food Does My Dog Need To Eat Per Day.........................................11 Adult Dog Formula.................................................................................................................11 Precalculated Charts........................................................................................................13 Puppy Formula 16 Precalculated Charts 17 3. Bone vs Meat Ratio on Raw Meaty Bones (RMBs).............................................................18 How to Calculate The Ratio Of Bone vs Meat on RMBs.......................................................19 How to Figure Out How Much of a Particular RMB Your Dog Needs Per Day 21 4. Raw Dog Food Worksheet For Your Dog (Adult vs Puppy)...............................................23 Raw Dog Food Worksheet For Your Adult Dog 23 Raw Dog Food Worksheet For Your Puppy...........................................................................25 5 How To Do The Math For Raw Meal Prep 27 Final Thoughts...........................................................................................................................29 Suggested Further Reading 29 2
Raw

Introduction

Copyright

Copyright 2023 by Barbara Rivers.

All rights reserved This e-book, and even any portion of it, may not be shared, reused or republished in any format without express written consent of the author.

Disclosure

There are several links included to other ebooks I wrote.

Purpose

I wrote this e-book to help you understand the math behind homemade raw dog food, regardless of your dog’s life stage and your feeding approach (BARF or PMR).

Disclaimers

The information contained in this guide is for informational purposes only These are my personal opinions and recommendations.

Users of this guide are advised to do their own due diligence when it comes to making decisions. By reading this guide, you agree that I am not responsible for your raw feeding success relating to any information presented in this guide.

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About the Author

My name is Barbara Rivers and I have a successful raw feeding blog at K9sOverCoffee.com where I write about my experience with combining raw dog food and exercise to help dogs thrive

I’ve been blogging since 2014, have been featured on Raw Feeding Miami and got my raw dog food nutrition certification from Dogs Naturally Magazine in 2020.

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1.What Does Raw Dog Food Consist Of - The Different Components

BARF raw dog food with plant matter = veggies, fruit, nuts & seeds. vs PMR raw dog food without plant matter.

BARF PMR

Adult dog

Pregnant dog

● 70% muscle meat

● 10% raw meaty bone

● 10% secreting organs (5% liver, 5% other secreting organ)

● 10% plant matter (8% veggies & fruit, 2% nuts & seeds)

● 56-61% muscle meat

● 15-20% raw meaty bone (adjust according

● 80% muscle meat

● 10% raw meaty bone

● 10% secreting organs (5% liver, 5% other secreting organ)

● 66-71% muscle meat

● 15-20% raw meaty bone (adjust according

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Puppy

to poop consistency)

● 14% secreting organs (7% liver, 7% other secreting organ)

● 10% plant matter (4% starchy veggie, 4% regular veggies & fruit, 2% nuts & seeds)

● 58% muscle meat

● 17% raw meaty bone

● 14% secreting organs (7% liver, 7% other secreting organ)

● 11% plant matter (9% veggies & fruit, 2% nuts & seeds)

to poop consistency)

● 14% secreting organs (7% liver, 7% other secreting organ)

● 69% muscle meat

● 17% raw meaty bone (including furry or feathered heads for fiber)

● 14% secreting organs (7% liver, 7% other secreting organ)

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8
9

2.How Much Raw Dog

Food Does

My Dog Need To Eat Per Day

The amount of raw dog food your pup needs to eat per day depends on their life stage and their level of activity.

Adult Dog Formula

Target Body Weight / 100 x Maintenance Percentage [between 1.5%-4%]

Definition Target Body Weight: Your dog’s ideal body weight without being overweight or underweight.

Definition Maintenance Percentage: The percentage of your dog’s ideal body weight that’s needed to maintain their ideal body weight.

Different Maintenance Percentages for Adult Dogs: 1.5% - 4%

Note: 2.5% works for the average, active dog who exercises 1-2 hours per day.

● 1.5% Inactive dog/couch potato [less than 30 minutes of daily exercise]

● 2% Moderately active dog [30-60 minutes of daily exercise]

● 2.5% Active dog [1-2 hours of daily exercise]

● 3% Vigorously active dog [2.5-4 hours of daily exercise]

● 3.5% Working dog [4 hours + of daily exercise]

● 4% Pregnant dog [3rd trimester through weaning puppies]

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11

Precalculated Charts

15 lb dog

15/100= 0.15x1.5 =0.225l b=3.6oz

20 lb dog 20/100= 0.2x1.5 =0 3lb= 4.8oz

25 lb dog

30 lb dog

25/100= 0.25x1.5 =0.375l b=6oz

30/100= 0.3x1.5 =0 45lb =7.2oz

35 lb dog 35/100= 0.35x1.5 =0.525l b=8 4oz

40 lb dog

45 lb dog

40/100= 0.4x1.5 =0 6lb= 9.6oz

45/100= 0.45x1.5 =0.675l b=10 8o z

15/100= 0.15x2= 0.3lb=4. 8oz

20/100= 0.2x2=0. 4lb=6 4o z

25/100= 0.25x2= 0.5lb=8o z

30/100= 0.3x2=0. 6lb=9 6o z

35/100= 0.35x2= 0.7lb=11 2oz

40/100= 0.4x2=0. 8lb=12 8 oz

45/100= 0.45x2= 0.9lb=14 4oz

5/100=0. 15x2.5= 0.375lb= 6oz

20/100= 0.2x 2 5=0 5l b=8oz

25/100= 0.25x2.5 =0.625lb =10oz

30/100= 0.3x2.5= 0 75lb=1 2oz

35/100= 0.35x2.5 =0.875lb =14oz

40/100= 0.4x2.5= 1lb=16o z

45/100= 0.45x2.5 =1.125lb =18oz

5/100=0. 15x3= 0.45lb=7 .2oz

20/100= 0.2x3=0. 6lb=9 6o z

25/100= 0.25x3= 0.75lb=1 2oz

30/100= 0.3x3=0. 9lb=14 4 oz

35/100= 0.35x 3=1.05lb =16 8oz

40/100= 0.4x3=1. 2lb=19 2 oz

45/100= 0.45x3= 1.35lb=2 1 6oz

5/100=0. 15x3.5= 0.525lb= 8.4oz

20/100= 0.2x3.5= 0 7lb=11 .2oz

25/100= 0.25x3.5 =0.875lb =14oz

30/100= 0.3x3.5= 1 05lb=1 6.8oz

35/100= 0.35x3.5 =1.225lb =19 6oz

40/100= 0.4x3.5= 1 4lb=22 .4oz

45/100= 0.45x3.5 =1.575lb =25 2oz

5/100=0. 15x4= 0.6lb=9. 6oz

20/100= 0.2x4=0. 8lb=12 8 oz

25/100= 0.25x4= 1lb=16o z

30/100= 0.3x4=1. 2lb=19 2 oz

35/100= 0.35x4= 1.4lb=22 4oz

40/100= 0.4x 4=1 6lb= 25.6oz

45/100= 0.45x4= 1.8lb=28 8oz 12

1.5% 2% 2.5% 3% 3.5% 4%

50 lb dog

50/100= 0.5x1.5 =0.75lb =12oz

55 lb dog 55/100= 0 55x1 5 =0.825l b=13.2o z

60 lb dog 60/100= 0.6x1.5 =0.9lb= 14.4oz

65 lb dog

70 lb dog

75 lb dog

65/100= 0.65x1.5 =0.975l b=15 6o z

70/100= 0.7x1.5 =1.05lb =16.8oz

75/100= 0.75x1.5 =1 125l b=18oz

80 lb dog 80/100= 0.8x1.5 =1.2lb= 19.2oz

85 lb dog 85/100= 0.85x1.5 =1 275l b=20.4o

50/100= 0.5x2=1l b=16oz

55/100= 0 55x2= 1.1lb=17 .6oz

60/100= 0.6x2=1. 2lb=19.2 oz

65/100= 0.65x2= 1.3lb=20 8oz

70/100= 0.7x2=1. 4lb=22.4 oz

75/100= 0.75x2= 1 5lb=24 oz

80/100= 0.8x2=1. 6lb=25.6 oz

85/100= 0.85x2= 1 7lb=27 .2oz

50/100= 0.5x2.5= 1.25lb=2 0oz

55/100= 0 55x2 5 =1.375lb =22oz

60/100= 0.6x2.5= 1.5lb=24 oz

65/100= 0.65x2.5 =1.625lb =26oz

70/100= 0.7x2.5= 1.75lb=2 8oz

75/100= 0.75x2.5 =1 875lb =30oz

80/100= 0.8x2.5= 2lb=32o z

85/100= 0.85x2.5 =2 125lb =34oz

50/100= 0.5x3=1. 5lb=24o z

55/100= 0 55x3= 1.65lb=2 6.4oz

60/100= 0.6x3=1. 8lb=28.8 oz

65/100= 0.65x3= 1.95lb=3 1 2oz

70/100= 0.7x3=2. 1lb=33.6 oz

75/100= 0.75x3= 2 25lb=3 6oz

80/100= 0.8x3=2. 4lb=38.4 oz

85/100= 0.85x3= 2 55lb=4 0.8oz

50/100= 0.5x3.5= 1.75lb=2 8oz

55/100= 0 55x3 5 =1.925lb =30.8oz

60/100= 0.6x3.5= 2.1lb=33 .6oz

65/100= 0.65x3.5 =2.275b =36 4oz

70/100= 0.7x3.5= 2.45lb=3 9.2oz

75/100= 0.75x3.5 =2 625lb =42oz

80/100= 0.8x3.5= 2.8lb=44 .8.oz

85/100= 0.85x3.5 =2 975lb =47.6oz

50/100= 0.5x4=2l b=32oz

55/100= 0 55x4= 2.2lb=35 .2oz

60/100= 0.6x4=2. 4lb=38.4 oz

65/100= 0.65x4= 2.6lb=41 6oz

70/100= 0.7x4=2. 8lb=44.8 oz

75/100= 0.75x4= 3lb=48o z

80/100= 0.8x4=3. 2lb=51.2 oz

85/100= 0.85x4= 3 4lb=54 .4oz

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90 lb dog

95 lb dog

z

90/100= 0 9x1 5 =1.35lb =21.6oz

95/100= 0.95x1.5 =1.425l b=22.8o z

100 lb dog

100/100 =1x1.5= 1.5lb=2 4oz

90/100= 0 9x2=1 8lb=28.8 oz

95/100= 0.95x2= 1.9lb=30 .4oz

100/100 =1x2=2l b=32oz

90/100= 0 9x2 5= 2.25lb=3 6oz

95/100= 0.95x2.5 =2.375lb =38oz

100/100 =1x2.5= 2.5lb=40 oz

90/100= 0 9x3=2 7lb=43.2 oz

95/100= 0.95x3= 2.85lb=4 5.6oz

100/100 =1x3=3l b=48oz

90/100= 0 9x3 5= 3.15lb=5 0.4oz

95/100= 0.95x3.5 =3.325lb =53.2oz

100/100 =1x3.5= 3.5lb=56 oz

90/100= 0 9x4=3 6lb=57.6 oz

95/100= 0.95x4= 3.8lb=60 .8oz

100/100 =1x4=4l b=64oz

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How to split up the daily raw dog food amount into its componentsExample: 40lb adult dog fed BARF diet

40 lb dog

40/100= 0.4x1.5= 0 6lb=9 6oz

40/100= 0.4x2=0. 8lb=12 8 oz

40/100= 0.4x2.5= 1lb=16o z

40/100= 0.4x3=1. 2lb=19 2 oz

40/100= 0.4x3.5= 1 4lb=22 .4oz

40/100= 0.4x4=1. 6lb=25 6 oz

Daily raw dog food amount for 40lb dog Fed at 1.5%: 9.6oz Fed at 2%: 12.8oz Fed at 2.5%:16 oz Fed at 3%:19.2 oz Fed at 3.5%:22 oz Fed at 4%:25.6 oz 70% muscle meat 6.72oz 8.96oz 11.2oz 13.44oz 15.4oz 17.92oz 10% RMB 0.96oz 1.28oz 1.6oz 1.92oz 2.2oz 2.56oz 5% liver 0.48oz 0.64oz 0.8oz 0.96oz 1.1oz 1.28oz 5% other secretin g organ 0.48oz 0.64oz 0.8oz 0.96oz 1.1oz 1.28oz 8% veggie/f ruit 0.7oz 1.024oz 1.28oz 1.536oz 1.76oz 2.048oz 2% nuts /seeds 0 2oz 0 256oz 0 32oz 0 384oz 0 44oz 0 512oz 15

Puppy Formula

Monthly Body Weight [BW] / 100 x [percentage range from 10-2.5%]

● 2 months old puppy: BW / 100 x 10%

● 3 months old puppy: BW / 100 x 9.5%

● 4 months old puppy: BW / 100 x 9%

● 5 months old puppy: BW / 100 x 8%

● 6 months old puppy: BW / 100 x 7%

● 7 months old puppy: BW / 100 x 6%

● 8 months old puppy: BW / 100 x 5%

● 9 months old puppy: BW / 100 x 4%

● 10 months old puppy: BW / 100 x 3.5%

● 11 months old puppy: BW / 100 x 3%

● 12 months old puppy: BW / 100 x 2.5%

Precalculated Charts

2 months old: 10lb, fed at 10%

x 10 = 1lb = 16oz

3 months old: 25lb, fed at 9.5% 25/100=0.25 x 9.5 = 2.375lb = 38oz

4 months old: 35lb, fed at 9%

x 9 = 3.15lb = 50.4oz

5 months old: 40 lb, fed at 8% 40/100=0.4 x 8 = 3.2lb = 51.2oz

6 months old: 45 lb, fed at 7%

7 months old: 50 lb, fed at 6%

8 months old: 55 lb, fed at 5%

x 7=3.15lb = 50.4 oz

x 6= 3lb = 48 oz

x 5 = 2.75 lb = 44 oz

Female Labrador Puppy Daily raw dog food amount
10/100=0.1
35/100=0.35
45/100=0.45
50/100=0.5
55/100=0.55
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9 months old: 60 lb, fed at 4% 60/100=0.6 x 4 = 2.4 lb = 38.4 oz

10 months old: 60 lb, fed at 3.5% 60/100=0.6 x 3.5 = 2.1lb = 33.6 oz

11 months old: 65 lb, fed at 3% 65/100=0.65 x 3 = 1.95 lb = 31.2 oz

12 months old: 70 lb, fed at 2.5% 70/100= 0.7 x 2.5 = 1.75 lb = 28 oz

How to split up the daily raw dog food amount into its components

Example: 6 months old female Labrador puppy who weighs 45 lb and is fed PMR dog food at a 7% maintenance percentage.

6 months old: 45 lb, fed at 7% 45/100=0.45 x 7=3.15lb = 50.4 oz Daily

69% muscle meat

17% raw meaty bone (RMB, including furry or feathered heads for fiber)

(round up to 35)

8.568oz (round up to 8.6)

7% liver 3.528oz (round down to 3.5)

7% other secreting organ 3 528oz (round down to 3 5)

dog food amount
at 7%: 50.4oz
raw
for 45 lb female Lab puppy Fed
34.776oz
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3.Bone vs Meat Ratio on Raw Meaty Bones (RMBs)

Why it’s important:

As the name suggests, RMBs consist of edible bone AND meat!

So a 10 oz turkey neck isn’t just 10 oz of bone, it also has meat on it.

That’s important when you raw meal prep because the meat on the bone counts towards your dog’s muscle meat allowance

How to Calculate The Ratio Of Bone vs Meat on RMBs

First, you have to know the bone vs meat ratio in percentages I’ll share the ratios of the most common RMBs with you below and will provide concrete examples.

Next, weigh the raw meaty bone.

Now you just have to calculate how much bone and how much meat is on the respective bone bearing in mind its weight.

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2. Chicken wings

3. Chicken feet

4. Chicken heads

5. Chicken neck with skin

8. Duck wings

9. Duck feet

10. Duck heads

11 Duck necks

Bone vs Meat Ratios of 20 Common RMBs With Average Weights Average Weight Bone Meat
10 oz 26%: 2.6 oz 74%: 7.4 oz
1. Chicken leg quarter
3 oz 45%: 1.35 oz 55%: 1.65 oz
1 oz 60%: 0.6 oz 40%: 0.4
oz
3 oz 75%: 2.25 oz 25%: 0.75 oz
2.5 oz 45%: 1.125 oz 55%: 1.375 oz
1.5 oz 50%: 0.75 oz 50%: 0.75 oz
22 oz 75%: 16 5 oz 25%: 5 5 oz
3 oz 40%: 1.2 oz 60%: 1.8 oz
1 oz 60%: 0.6 oz 40%: 0.4 oz
6. Chicken neck without skin
7 Duck frames
4 oz 75%: 3 oz 25%: 1 oz
5 5 oz 50%: 2 75 oz 50%: 2 75 oz
Bone-in
12 oz 15%: 1 8 oz 85%: 10 2 oz 19
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turkey

thighs

13. Turkey necks

14. Turkey wings

15. Bone-in Turkey breasts

16. Turkey leg quarters

17. Rabbit heads

18. Rabbit frames

19. Rack of lamb/goat/ pork ribs

20. Pork feet aka pork trotters

oz

lb (80oz)

4.62 oz

oz

9.38 oz

68.8 oz

lb (32 oz)

5.44 oz

26.56 oz

oz

oz

lb (32 oz)

oz

3.75 oz

7.5 oz

8 oz

1.25 oz

2.5 oz

24 oz

3.6 oz

8.4 oz

Please note that these weights are AVERAGE weights and that they can vary quite a bit.

So always weigh your raw meaty bone in order to be able to calculate its proper bone vs meat ratio.

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40%:
60%:
oz
4.8oz
7.2 oz
14
33%:
67%:
5
14%:11.2
86%:
83%:
2
17%:
5
75%:
25%:
10
75%:
25%:
2
25%:
75%:
12
30%:
70%:
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How to Figure Out How Much of a Particular RMB Your Dog Needs Per Day

This approach works well for RMBs that are easy to cut up such as necks, wings and feet:

Divide your dog’s daily raw meaty bone allowance by the bone percentage of the RMB you intend to feed

For example, your dog needs 1.6oz of bone per day.

You want to feed a turkey neck, which has a 40% bone content.

Divide the 1.6 oz bone allowance by the 40% bone content, then multiply with 100.

1.6/40 = 0.04 x 100 = 4

So you would need to feed 4 ounces of turkey neck to cover the bone allowance.

Here’s another approach that works better for bone-dense RMBs like heads and frames:

Figure out how long the amount of bone in a given RMB will last your dog and only feed that RMB during this time frame.

For example, Wally needs 1.52 oz of bone per day.

If I have a rabbit head that weighs 5 oz and has 3.75 oz bone, that amount of bone lasts him for 2.5 days.

Here’s how to do that math: Divide the bone content (3.75) by your dog’s daily bone allowance (1.52):

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3 75 / 1 52 = 2 5 days worth of bone

So if Wally eats a rabbit head Monday morning, he’ll need the next rabbit head on:

● Wednesday night

● Then Saturday night

● Then Tuesday morning

That’s way easier than trying to cut up rabbit heads and potentially hurting yourself in the process (hello, saw injuries).

4. Raw Dog Food Worksheet For Your Dog (Adult vs Puppy)

Now let’s get to the fun part where you do YOUR dog’s raw dog food math with the worksheet below!

I’ll give you options for both adult dogs and puppies, eating either a BARF diet or PMR.

Raw Dog Food Worksheet For Your Adult Dog

Target body weight of your dog Fed at this maintenance percentage Daily raw dog food amount X lb X % (1 5, 2, 2 5, 3, 3.5, 4) BW/100x%=lb=oz Example Wally: 38lb 2.5% 38/100=0.38x2.5=0.95l b=15.2oz 22

Your dog:

Fill in your dog’s target body weight, the maintenance percentage you feed them at, and then calculate their daily raw dog food amount.

Remember:

● 1.5% Inactive dog/couch potato [less than 30 minutes of daily exercise]

● 2% Moderately active dog [30-60 minutes of daily exercise]

● 2.5% Active dog [1-2 hours of daily exercise]

● 3% Vigorously active dog [2.5-4 hours of daily exercise]

● 3.5% Working dog [4 hours + of daily exercise]

● 4% Pregnant dog [3rd trimester through weaning puppies]

70% Muscle meat

10% raw meaty bone

5% liver

5% other secreting organ

8% veggies/fruit

2% nuts/seeds

Adult PMR daily raw dog food components Fed at %: oz

80% Muscle meat

10% raw meaty bone

Adult BARF daily raw dog food components Fed at %: oz
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5% liver

5% other secreting organ Raw Dog Food Worksheet For

Your Puppy

2 months old: lb, fed at

x10= lb= oz

3 months old: ___ lb, fed at 9.5% ___ /100= __ x9.5= __ lb= __ oz

4 months old: lb, fed at 9%

5 months old: lb, fed at 8%

6 months old: lb, fed at

7 months old: lb, fed at 6%

8 months old: lb, fed at 5%

9 months old: lb, fed at 4%

x9= lb= oz

x8= lb= oz

x6= lb= oz

x5= lb= oz

x4= lb= oz

10 months old: lb, fed at 3.5% /100= x3.5 = lb= oz

11 months old: lb, fed at 3%

x3= lb= oz

Monthly
of
body weight
your puppy Daily raw dog food amount
/100=
10%
/100=
/100=
/100=
7%
x7= lb= oz
/100=
/100=
/100=
/100=
/100=
Puppy BARF daily raw dog food components Fed at ___ %: ___ oz 58% Muscle meat 17% raw meaty bone 24
12 months old: lb, fed at 2.5%
x2.5= lb= oz

7% liver

7% other secreting organ

8% veggies/fruit

2% nuts/seeds

Puppy PMR daily raw dog food components Fed at %: oz

69% Muscle meat

17% raw meaty bone

7% liver

7% other secreting organ

5. How To Do The Math For Raw Meal Prep

Here’s the best approach I found for this.

Write down your dog’s daily allowances of the different raw dog food components:

a. Muscle meat

b. Raw meaty bone

c. Liver

d. Other secreting organ

e (optional for BARF diet) Plant matter

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Decide if you want to make a batch of raw dog food for one week, 2 weeks or a full month, then multiply your dog’s daily allowance accordingly. The more meals you want to prep, the more time AND freezer space you’ll need, so that’s something to be aware of.

Plan your dog’s meals around the raw meaty bones you can easily source

For smaller dogs, smaller RMBs like feet, wings and heads from smaller animals work best:

a Chicken heads/wings/necks/feet

b. Duck wings/feet

For medium and large size dogs, larger wings, heads, necks and frames work best:

a. Rabbit heads/frames

b. Chicken leg quarters

c Duck necks/heads/frames

d. Turkey necks/wings/thighs

e. Pork/goat/lamb ribs

f Pig feet

Write down the bone amount of the RMB you decide to meal prep around, then figure out how many your pup needs per week to meet their weekly bone allowance.

Write down the meat amount of the RMB you decide to meal prep around, then add it to your dog’s weekly muscle meat allowance.

That was the hardest part! All that’s left to do now is add up your dog’s daily liver, other secreting organs and (optional) plant matter amount.

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Now you can prepare for the actual meal prep:

a. Go shopping for the ingredients

b. Make sure you have enough food storage containers

Final Thoughts

I hope you found this ebook helpful and are now a step closer to making your own homemade raw dog food!

If you still feel confused, please reach out to me and I’ll do everything in my power to help you.

At the end of the day, that’s my main goal with everything I write about both on the blog and in my ebook shop - sharing what I’ve learned on the topic of raw dog food so you can nourish your pup with fresh, minimally processed food

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Either way, I’d love to get your feedback on the ebook as it will help me improve the way I present this raw feeding math to others

So that said, please get in touch at barbara@k9sovercofffee.com.

This is also an opportunity to pick my raw feeding brain for free, so don’t be shy!

Suggested Further Reading

The following e-books build on the topic of raw feeding math:

What Does Balanced Raw Dog Food Consist of?

Raw Dog Food Meal Prep - The Ultimate Guide for Beginners (includes 2 easy recipes)

For more resources on making your own raw dog food, check out my homemade raw dog food section on the blog:

K9sOverCoffee.com/homemade-raw-dog-food

To learn how to properly feed nuts & seeds in BARF, check out the blog post below:

Seeds & Nuts for Dogs: Benefits & How to Feed

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