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Welcome dairy enthusiasts to another exciting episode of the Bull Vine Podcast.

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I'm Bella and with me is my co-host, the man who knows more about cow udders than I know

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about my coffee maker, Douglas.

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Well, Bella, I'm not sure if that's a compliment or not, but I'll take it.

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Today we're diving into a topic that's creating quite a stir in the dairy world.

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Common Protected Amino Acids, or RPAAs for short.

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Ooh, sounds sciencey.

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But before we get into the nitty gritty, can you give our listeners a quick overview of

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what we'll be covering today, Douglas?

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Certainly.

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We'll be exploring how these tiny nutrients are revolutionizing dairy farming, boosting

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milk production, and even helping the environment.

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We'll cover the science behind RPAAs, their economic impact, and practical strategies

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for implementation on the farm.

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We'll also delve into future innovations and how RPAAs fit into the changing regulatory

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landscape.

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Fascinating.

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I've heard RPAAs described as the secret sauce of modern dairy nutrition.

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Is that accurate or just marketing hype?

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Well, Bella, I'd say it's more than just hype.

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RPAAs are like giving your cows a nutritional superpower.

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But let's start with the basics.

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What do you know about amino acids?

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Well, I know they're the building blocks of protein, right?

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But why are we suddenly so interested in them for dairy cows?

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You're on the right track.

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Amino acids are indeed crucial for protein synthesis.

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But here's the thing.

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Not all amino acids are created equal, especially when it comes to dairy cows.

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Two amino acids in particular are the stars of the show, methionine and lysine.

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Oh, what makes methionine and lysine so special?

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These two are essential for milk protein synthesis, immune function, and overall metabolic health.

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Think of them as the power couple of dairy nutrition.

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Without them, it's like having a sports car with a lawnmower engine.

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It looks great, but it's not reaching its full potential.

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Okay, I'm following.

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But if these amino acids are so important, why haven't we been using them all along?

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Ah, that's where it gets interesting.

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You see, cows already get protein from their feed, which is broken down in the rumen.

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But here's the catch.

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Most of those valuable amino acids get gobbled up by rumen microbes before the cow can use

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them.

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It's like having a 24-7 fermentation party in there.

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Oh, I see.

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So it's like trying to sneak cookies past my kids.

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They always get intercepted before reaching their destination.

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That's a pretty good analogy, Bella.

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And that's exactly why rumen-protected amino acids are such a game-changer.

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All right, you've got me hooked.

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How do these RPAAs work their magic?

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It's all about the delivery system.

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RPAAs are coated with special pH-sensitive materials like ethyl cellulose that allow

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them to bypass the rumen unscathed.

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They're like secret agents on a stealth mission.

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These coatings are tough as nails in the acidic rumen, but dissolve like sugar in water once

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they hit the small intestine.

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James Bond in amino acid form.

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Now that's something I never thought I'd hear.

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Well, I wouldn't go that far.

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But these RPAAs do have some pretty impressive tricks up their sleeves.

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Once they make it past the rumen, they reveal themselves right where we need them, in the

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small intestine where the cow can absorb and use them efficiently.

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That sounds pretty high-tech.

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What kind of benefits are we talking about here?

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The results are quite remarkable.

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We're seeing increases in milk protein by 0.1 to 0.3 percent, and fat content jumps

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by 0.2 to 0.4 percent.

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Now I know those numbers might sound small.

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Yeah, they do sound tiny.

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Is that really worth all the fuss?

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Trust me, Bella, in the dairy world, those small percentages translate to big bucks.

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Let's break it down.

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For a 500-cow herd, we're talking about potential extra profits of $150,000 to $200,000 annually.

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And that's assuming you're only producing 20-th and pounds of milk annually at $18 squid.

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If your cows are producing more or milk prices are higher, you're looking at even bigger

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returns.

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Wait, what?

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That's a lot of cheddar, and I'm not talking about cheese.

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Indeed it is.

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And that's just the direct profit from increased production.

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There are other benefits, too, like improved herd health and reduced environmental impact.

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Environmental impact.

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Now that's something our listeners will want to hear about.

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Can you elaborate?

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Certainly.

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RPAAs help reduce nitrogen excretion by 20 to 25 percent.

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This means less ammonia emissions and less nitrogen runoff into waterways.

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We're talking about potential cuts to the dairy sector's greenhouse gas emissions by

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5 to 7 percent.

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It's a win-win for farmers and the environment.

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Heath, those are some significant numbers.

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Are there any other environmental benefits?

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Absolutely.

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Let's talk about manure management.

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With RPAAs, you're looking at cutting nitrogen runoff by 25 percent.

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That translates to savings of $15 to $20 per acre on fertilizer.

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If you've got a thousand-acre farm, that's up to $20,000 back in your pocket.

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That's impressive.

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But I can hear some of our more skeptical listeners asking, if it sounds too good to

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be true, it probably is.

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What would you say to them, Douglas?

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I'd say I understand their skepticism, but these benefits are backed by solid research

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and real-world results.

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Take Mark Richardson, a Vermont dairy farmer.

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He started small, just supplementing fresh cows.

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Within six months, his herd average hit 4.1 percent fat and 3.3 percent protein.

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Now 90 percent of his cows get RPAAs through TMR.

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Wow, that's quite a testimonial.

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So how can our listeners get started with RPAAs on their farms?

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Great question, Bella.

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The key is to work closely with a nutritionist to tailor the RPAA strategy to your specific

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herd and feed situation.

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It's not a one-size-fits-all solution.

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Can you give us an example?

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Sure.

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If you're in the corn belt with lots of corn silage in your feed, you might need more lysine.

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We're talking about adding about 20 dreams of rumen-protected lysine to your high-corn

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diets.

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But if you're running a grass-based operation in the Northeast, methionine might be your

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limiting factor.

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In that case, you'd want to toss in 25 to 30 grimes of rumen-protected methionine to

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offset that low-methionine alfalfa.

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Ender string.

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I see.

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So it's really about finding the right balance for your particular situation.

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Exactly.

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And don't forget to monitor and adjust.

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Keep an eye on your milk urea nitrogen levels.

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You're aiming for 8 to 12 milligrams per dollar.

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If you're below 10, your cows are waving red flags for amino acid deficits.

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It sounds like there's a bit of a learning curve involved.

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Are there any resources available to help farmers get started?

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Absolutely.

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Many feed companies and extension services offer workshops on RPAA implementation and

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tools like the Cornell net carbohydrate and protein system can help model amino acid flows

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in your herd.

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It's like GPS for cow nutrition.

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Excited.

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This is all so fascinating, Douglas.

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But I'm sure our listeners are wondering about the future of this technology.

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What's on the horizon for RPAs?

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Oh, the future is exciting, Bella.

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We're seeing innovations in delivery systems that could make RPAAs even more effective.

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For example, Boehringer Ingelheim ran a trial in 2024 with a new microencapsulation technique.

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The results?

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92% intestinal release compared to 78% for traditional coatings.

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That's like upgrading from a flip phone to a smartphone.

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That's impressive.

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Any other innovations in the pipeline?

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Actually, yes.

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There's even research into gene edited alfalfa that's naturally high in methionine.

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We're talking about 18% crude protein varieties compared to the usual 14%.

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It's like your alfalfa field suddenly becoming a methionine factory.

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Field trials are expected to start in 2026.

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What about regulations?

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Are there any concerns there?

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Actually, RPAAs are positioning farmers well for future regulations.

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With increasing focus on reducing agriculture's environmental impact, farms using RPAAs will

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be ahead of the curve.

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Take California, for instance.

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They're not just suggesting you watch your nitrogen output.

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They're slapping a $1,300 per ton tax on excess manure nitrogen.

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Wow, that's a hefty tax.

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But what about farmers who aren't in California?

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Well Bella, remember that California often sets the trend for environmental regulations.

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It's like the cool kid in school.

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Where they go, others follow.

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So implementing RPAAs now is not just smart farming.

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It's future-proofing your operation.

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That makes sense.

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Are there any financial incentives available for farmers looking to implement RPAAs?

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Absolutely.

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If you're running a farm with under 500 cows, the Natural Resources Conscience Service might

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be your new best friend.

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Their Environmental Quality Incentives program can cover up to 75% of your RPAA costs.

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That's like getting a 75% off coupon for farm efficiency.

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That's a significant incentive.

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Any other financial benefits?

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Well let's talk about carbon credits.

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In California, the Dairy Cares program is putting their money where their mouth is.

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They're paying $5 cents per hundredweight for verified nitrogen reductions.

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It might not sound like much, but for a 1,000-cow dairy producing 70 pounds per cow daily, that's

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an extra $12,775 a year.

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Not too shabby for just tweaking your feed program.

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This is all so interesting, Douglas.

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I feel like we've only scratched the surface.

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Any final thoughts for our listeners?

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I'd say this, Bella.

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RPAAs aren't just another farm fad.

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They're a powerful tool that can boost production, improve sustainability, and increase profitability.

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With stricter regulations on the horizon, innovative tech in the pipeline, and financial

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incentives up for grabs, RPAAs are your ticket to staying ahead of the curve.

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If you're not looking into them, you might be leaving money on the table.

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Well, there you have it, folks.

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Ruman-protected amino acids, the tiny nutrients making a big impact in the dairy world.

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Thank you so much, Douglas, for sharing your expertise with us today.

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It's been my pleasure, Bella.

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Always happy to talk about ways to improve dairy farming.

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And thank you to all our listeners for tuning in.

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If you found this information valuable, don't forget to subscribe to the Bullvine Podcast

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for more insights into the dairy industry.

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Remember, in the fast-evolving dairy world, standing still is moving backward.

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RPAAs are your opportunity to leap ahead.

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Until next time, keep those cows happy and those milk tanks full.