E634 The Colostrum Standard Moved — and 39% of Your "Passed" Calves Are Losing Milk

E634 The Colostrum Standard Moved — and 39% of Your "Passed" Calves Are Losing Milk

Ninety percent of calves pass the old colostrum test. Under updated standards, nearly 40% land in Fair or Poor—costing 187 lbs of first-lactation milk.

The Bullvine Podcast challenges the outdated 10 g/L pass/fail colostrum test. Reclassifying USDA NAHMS data under Lombard's four-tier consensus reveals nearly 39% of healthy heifers sit in Fair or Poor passive transfer. That deficit tracks with 85 kg (187 lbs) of lost first-lactation milk per head on a mature-equivalent basis.

What You'll Learn: • Why the 10 g/L IgG standard misses heifers losing first-lactation milk • The four-tier Brix and total protein cut points you can read on-farm • How DeNise's data ties 1 g/L of serum IgG to 8.5 kg of mature milk • Why feeding 2.5 L inside 3 hours delivers 2.6x higher transfer odds • How to run a 12-calf scorecard to expose shift-to-shift failure

Why This Episode Matters: Colostrum management is a milk-check forecast, not just scours prevention. Across 25 heifers stuck in Fair instead of Excellent, you lose roughly 4,675 lbs of first-lactation milk you already paid to develop. Fixable levers like feeding speed, 24.5% Brix quality, and volume determine whether your replacement pipeline pays back or quietly leaks revenue.

Full article and sources: https://www.thebullvine.com/farm-economics-management/passive-transfer-immunity-calf-audit/ Subscribe for straight-talking dairy analysis. Share this with a producer who needs it.

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Episoder(654)

E658  Lactanet Gave Murray Hunt Its Distinction Award. He Gave the Room a 3,500-Herd Problem

E658 Lactanet Gave Murray Hunt Its Distinction Award. He Gave the Room a 3,500-Herd Problem

Imagine standing in front of the most powerful people in Canadian dairy. They’ve just handed you a lifetime achievement award for building the very foundations of the industry's genetic evaluation sys...

23 Sep 43min

E657 World Dairy Expo 2026 Holstein Show Preview: 11th Place Is Now The Favorite

E657 World Dairy Expo 2026 Holstein Show Preview: 11th Place Is Now The Favorite

Five of nine Madison divisional champions vanished for eleven months while an 11th-place heifer took over the continent.Ryan Krohlow holds the microphone to judge an International Holstein Show where ...

21 Sep 43min

E656 They Mortgaged Three Wisconsin Farms to Build World Dairy Expo. Four Years Later It Was Nearly Bankrupt.

E656 They Mortgaged Three Wisconsin Farms to Build World Dairy Expo. Four Years Later It Was Nearly Bankrupt.

Norm Magnussen, Allen Hetts, and Gene Nelson put their farms behind a $100,000 bank note in 1967 so dairy cattle had a stage. With Howard Voegeli securing state backing, four Wisconsin breeders risked...

19 Sep 29min

E655 Three Feed Inputs Set the DMC Margin. Diesel Isn’t One, and It Rose 65%.

E655 Three Feed Inputs Set the DMC Margin. Diesel Isn’t One, and It Rose 65%.

USDA's DMC margin rose $3.07 through June, but on-highway diesel surged 65%. The statutory formula cannot see your fuel bill.On this episode of The Bullvine Podcast, we break down why a modeled 500-co...

18 Sep 28min

E654 Iowa’s Manure Penalty Never Left $5,000. The Restitution Ran 6.7 Times Higher.

E654 Iowa’s Manure Penalty Never Left $5,000. The Restitution Ran 6.7 Times Higher.

An Ohio dairy manager drew a federal conviction and a $25,000 fine over 789 fish. An LLC will not shield your staff from personal criminal liability.The Bullvine Podcast dismantles the myth that state...

17 Sep 25min

E653 Waterloo Warned Us: How the World’s Greatest Dairy Show Died – and What Twelve Years of Expo’s Own Numbers Say Before the Gates Open

E653 Waterloo Warned Us: How the World’s Greatest Dairy Show Died – and What Twelve Years of Expo’s Own Numbers Say Before the Gates Open

Large dairies pay the highest hourly wages in agriculture, yet their labor expense drops to $1.85/cwt while herds under 50 cows bleed $13.18/cwt.ERS data reveals a stark economic reality: operations w...

16 Sep 28min

E652 USDA Raised Make Allowances Up to 42.6% on Self-Reported Processor Costs

E652 USDA Raised Make Allowances Up to 42.6% on Self-Reported Processor Costs

USDA added up to 7.15 cents per pound to processor make allowances on self-reported data. On 500 cows, that pulls up to $105,800 out of your pocket every year.The Bullvine Podcast breaks down the June...

15 Sep 28min

E651 The $128,320 Additive Bill: Why the First Dairy Carbon Credit Wasn’t Bovaer

E651 The $128,320 Additive Bill: Why the First Dairy Carbon Credit Wasn’t Bovaer

Feeding 3-NOP costs 35 cents a cow every day you do not get back. That is $128,320 a year on 1,000 cows your milk check cannot absorb.The first U.S. dairy methane credit ever sold did not use Bovaer. ...

14 Sep 24min

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