Puppy Culture Potluck: Ep39 - Yeast-Based Probiotic Supplements for Brood Bitches: When They Make Sense and When They Don't

Madcap Radio

One of our fans wrote to me recently about a webinar she attended on the veterinary use of probiotics:

"The thing that intrigued me was…a study where one group of pregnant bitches was on a yeast-based probiotic, and the control group on no probiotic. There were benefits to both bitches and puppies, such as more stable GI tract and stool quality during whelping in the mothers on the probiotic, and they were less likely to have puppies of low birth weight.

I know Jane works a lot at supporting the gut biome, but interesting info about a specific yeast and a specific time."

This podcast untangles:

  • The difference between yeast and bacteria-based probiotics
  • How yeast-based probiotic supplements might help or harm a pregnant bitch, depending on the context
  • How to decide if a yeast or other probiotic is appropriate for your pregnant dam

Visit our website www.madcapradio.com for further reading.

2026-01-20 13 min Transcript

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Transcript

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I'm Jane Messineo Lindquist,

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and this is a Puppy Culture
potluck podcast.

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You bring the topics,

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we bring the conversation.

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This episode

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we're going to talk about
the therapeutic use

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of probiotic supplementation
for pregnant bitches.

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One of my fans wrote in to me
recently about a webinar

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she attended on the veterinary
use of probiotics.

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And this is what she said.

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The thing that intrigued me was a study
where one group of pregnant bitches

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was on a yeast based probiotic,
and the control

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group on no probiotic.

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There were benefits to both bitches
and puppies, such as more stable GI

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tract and stool quality during whelping
in the mothers on the probiotic,

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and they were less likely
to have puppies of low birth weight.

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I know Jane works a lot
at supplementing the gut biome,

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but interesting info about a specific
yeast and a specific time.

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Anyway, I thought it was an interesting

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bit of info to put in our breeding
and well-being toolkit.

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They talked about the times to use
probiotics, like to prevent GI stress

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and upset for dogs that are bothered
by travel, company or antibiotic use,

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as well as dogs with chronic
GI issues, but also in reproduction.

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Okay, this is me again.

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Probiotic supplementation
is really having a moment right

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now, and I do think it's particularly hot

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in the veterinary community, like as an

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as a new kind of tool.

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But context is everything.

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And we need to talk about context

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when it comes to whether it's a good idea

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to supplement your brood bitches

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with probiotic supplements of any kind,
and specifically

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with yeast based probiotics.

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So let's talk

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just briefly about yeast versus bacteria
based probiotics.

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This is not a course level

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detail discussion.

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It's just a primer to position it for you.

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Probiotics come from food sources.

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Things like yogurt, fermented vegetables,
kefir, kombucha.

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Yogurt and fermented vegetables

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use a bacteria based fermentation

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process versus kefir

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and kombucha, which use a Scoby,

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which is a symbiotic colony of yeast
and bacteria.

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S c o b y.

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So kefir
and kombucha are much more complex

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blends of many different probiotic
bacteria and yeasts.

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But that's not to say that they're better

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or not as good as a yogurt,

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or a kimchi, or a miso or a sauerkraut.

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They're just different. Okay.

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All of these fermented foods
have their contribution to make.

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Dairy and plant ferments

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use different probiotics
to do their fermentation,

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and even different kinds of yogurt
will have different probiotics in them.

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So again, it's not
that one is better than the other, it's

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just that yeast based probiotics
have, number one, a better chance

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of surviving the high stomach
acid in a dog's gut.

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A dog's gut is a carnivore gut.

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It's super short.

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It's super high acid compared to our long

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lower acid omnivore intestines.

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So those yeasts, they just stand
a better chance of surviving that

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trip down that super acidic gut,
than a bacteria does.

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And second of all,

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the yeasts stand a better chance
of surviving a round of antibiotics

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because the antibiotic, remember, is going
to be an equal opportunity destroyer.

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It's going to destroy all the bacteria
it comes in contact with.

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The good guys and the bad guys.

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So it's going to strip that gut,
leave it vulnerable to dysbiosis,

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leave it vulnerable to a pathogen
coming in and taking root.

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And a yeast based probiotic
in that instance can be helpful

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because the yeast will survive
the antibiotic

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better and sort of crowd out the bad guys.

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And with any luck, placehold

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until the good bacteria can reestablish.

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After the antibiotics are gone.

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All that having

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been said, we always have to remember

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that the name of the game is balance
and diversity.

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When it comes to the gut biome.

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Food sources are always going to win
for this.

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End of story.

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The co-factors and diversity in food
sources

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is always going to be way beyond
anything you can get

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in a pill.

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The yeast based probiotic
that's on everyone's

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radar right now is Saccharomyces
boulardii.

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There are natural food
sources of S boulardii,

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namely kombucha and kefir.

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So your yeast Scoby based

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probiotics are going to have S boulardii.

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Now if you want to go down a rabbit hole,
you may read

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that food sources do not have a quote
significant unquote amount of S boulardii.

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But this is always in the context
of talking

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about curing actual diseases
with probiotics.

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So studies of IBD and antibiotic diarrhea
and things like that.

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So we as dog breeders
have to make a distinction between

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therapeutic versus healthy diet doses,
because it's really significant

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when we're making decisions about when

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and how to supplement with probiotics.

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Because when we

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start introducing nuclear amounts

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of a narrow band of probiotic

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of any kind to be a yeast or bacteria,

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we are taking up a lot of real estate
in the gut and potentially crowding out

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bad guys as in that antibiotic scenario
that I just gave.

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But we're also possibly
unbalancing the gut.

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So it's not something

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to just be taken lightly and thrown.

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It's not a completely benign intervention.

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It could have unbalancing effects

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that could lead to dysbiosis, ultimately.

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But you know,
it is a tool that can be useful

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once dysbiosis occurs
and you have symptoms

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or you have good reason to suspect

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that there's some sort of deficiency
or problem brewing.

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It's sort of an emergency situation.

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And therapeutic doses may be indicated.

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Okay.

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Circling back to that veterinary webinar

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context again, is everything.

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That webinar was sponsored
by a pet food company

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that makes highly processed pet food.

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The vet
that was presenting the seminar both works

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for the pet food company
and is an emissary for that company.

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And the animals in that study were animals
that were fed

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a highly processed diet
with very little variety

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and no additional fermented foods.

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So this is absolutely useful information
in that context.

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And if you are a veterinarian

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and you have clients presenting to you
with bitches that have been weaned on

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to this kind of diet and have been eating
this kind of diet their whole lives,

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yes, these therapeutic doses
of S boulardii

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may be beneficial at certain times
during the pregnancy,

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but for those of us

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that have weaned for many generations

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onto whole food diets
with a variety of fermented add ons,

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this supplementation
would not be advisable, in my opinion,

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unless the

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dam had to be on antibiotics
for some reason

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or some other symptom of dysbiosis
pops up.

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I would not advise supplementing

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with a pill form of probiotic
in that context.

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Now, regarding pregnancy,
I will say that pregnancy in general

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is taxing on the body
and also it's an immune suppressed state.

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So if there are any underlying
small things brewing

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that might have been kept in check
normally, pregnancy can bring those out.

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So even if your bitch has been
on a whole food diet with fermented foods

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her entire life,
but she's pregnant and now experiencing

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a symptom of dysbiosis,
such as diarrhea during pregnancy,

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then yes, I might be reaching
for therapeutic doses of yeast

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and bacterial probiotics in that instance,
but I would only do that

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after I had exhausted
my remedies with food sources.

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And if you have a dam who has

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not been weaned and raised on whole foods
with fermented foods,

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this could be a good trick for you
to have up your sleeve during pregnancy.

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But again,
if your dam's been on Whole Foods

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her entire life and was weaned on
to a diet that included things

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such as yogurt,
kefir, sauerkraut, and kombucha,

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I wouldn't prophylactically
go in and introduce

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a new clear amount of probiotics

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because you worked hard
the entire life of that animal

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to colonize
and then build up a stable gut community.

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And there's no implicit benefit
to disrupting that community

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unless it's
indicated by a specific symptom.

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At least that's my opinion,
and that's what I do,

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just based on my experience
and the science as I read it.

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I think

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the easiest way to look at
this is overall,

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is there a symptom or a reason

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to believe that there's a problem?

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A symptom
would be something like diarrhea.

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A reason to believe that there's
some kind of problem would be a bitch

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that has been fed a processed diet
her whole life,

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or even one that perhaps was not weaned on

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to a whole food diet that was fed
a processed diet early in her life.

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Because that's when the gut biome
is colonized as early in life.

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We go over this in the upcoming
weaning course, but

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I'm just going to drop it here
that those first few foods that you feed

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are really going to be formative
as far as how that gut is, is colonized.

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So if you have one of those situations

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I'm going to say probiotic supplementation
comes up higher on my list.

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And if I'm a veterinarian

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and I'm seeing a bitch
presenting with a problem,

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probiotic supplementation
is going to be higher up on my list.

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But the message I really want to get out
here is twofold.

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Number one, that there is a difference
between yeast and bacteria

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based probiotics and the yeast probiotics

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can definitely have a specific benefit

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in certain cases
where bacterial probiotics might fail,

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but also that

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supplementing in a pill form

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rather than getting from a food source,

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is not something to be done
indiscriminately or taken lightly.

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It is medicine,
just like antibiotics are medicine

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and subject to the same overuse
and abuse as other kinds of medicine.

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If you liked this podcast,

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you'll love our breeder
courses and bundles at puppyculture.com.

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Breeders, do you want to get your puppy
owners started off on the right foot?

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Check out our bulk
discounts for puppy owner courses

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at puppyculture.com.

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Well, that's it for this time.

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Thanks for listening. Bye bye.

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