Timeout sat #7 on Switzerland’s April ISET Genomic list at 1476. By August, he’s off the top 100 entirely — two more former top-10 sires went with him.

Executive Summary: The August 2026 Swiss ISET genomic rankings reveal significant volatility in the dairy industry, highlighted by the dramatic disappearance of former top-tier bulls like Progenesis Timeout from the top 100 list. While Progenesis Torchlight maintained his leading position, the emergence of DG Eliandro at the number two spot underscores a period of rapid turnover driven by fresh genetic data. This shift emphasizes the inherent risk of genomic sires, which offer high theoretical upside but lack the statistical stability of daughter-proven bulls like Progenesis Topstory. The data also warns of pedigree concentration, noting that several elite bulls share the same maternal grandsire, creating potential genetic vulnerability for herds. Ultimately, these updates serve as a critical guide for breeders balancing the pursuit of unverified genetic progress against the reliability of proven performance.

Switzerland’s ISET Genomic ranking — issued by Qualitas AG on behalf of Holstein Switzerland and swissherdbook — moved more in the August 2026 run than any other Swiss bull ranking this cycle. Progenesis TORCHLIGHT held #1 at 1521 ISET, up only marginally from the 1519 he posted when he first took the genomic crown in April 2026, but the real story sits right behind him: DG ELIANDRO debuted at #2 with 1520 ISET, a bull with no prior ranking in the previous top 100. It’s worth reading even if you’ll never buy a straw of Swiss semen — Switzerland is one of the few systems that publishes genomic and daughter-proven sires as fully separate rankings, and that split is the actual story here. 

The bigger shock is who’s gone. Progenesis TIMEOUT, April’s #7 at 1476 ISET, didn’t just slide out of the top 10 — he disappeared from the entire genomic top 100 in one run, alongside two other former top-10 names. That kind of churn doesn’t show up on Switzerland’s other major bull ranking, the ISET Domestic Daughter-Proven list, where the ceiling sits over 100 points lower: Progenesis TOPSTORY leads that list at just 1416 ISET. Same index, same country, two very different worlds.

August 2026 ISET Genomic: Top 10 Sires

All milk figures throughout this piece are reported in kilograms, per the Swiss source data; lb conversions are added where useful below.

• Torchlight leads both runs, but his +2 gain (1519→1521) is essentially flat — the movement in this run is entirely about who’s in the room, not who’s getting stronger.
• Seven bulls carried over from April; three (Eliandro, Bianfrie ALABAMA-ET, 3Star PATSER) are brand-new to the top 100, let alone the top 10.
• Three April top-10 bulls — Progenesis TIMEOUT (was #7, 1476), Les Verdaux EGAN (was #9, 1474), and Sous-Moron BOSTON (was #8, 1475) — fell out of the top 100 entirely, not just the top 10.
• The index band widened slightly: April’s top 10 spanned 1472–1519 (47 points); August’s spans 1468–1521 (53 points), even though the #1 value barely moved.

Big Risers

There isn’t much of a “riser” story in this run’s returning anchors — Torchlight (+2) and TGD-Holstein MONSET (1502→1504, +2, held rank 4) are the only bulls with positive movement among the seven carryovers, and both gains are marginal. The real upward movement in this run came from new entrants displacing incumbents outright, not from existing bulls posting bigger numbers.

Big Fallers and Drop-Outs

• Lars-Acres CARUTHERS-S slipped from #3 (1505, Apr 2026) to #5 (1502, Aug 2026) — still top 5, but a two-rank retreat.
• DG CAARMA fell from #6 (1482, Apr 2026) to #8 (1481, Aug 2026) on a nearly flat ISET score — rank slippage from new competition, not a real decline.
• Progenesis TIMEOUT dropped out of the top 100 entirely — was #7 at 1476 ISET in April 2026, absent altogether in August.
• Les Verdaux EGAN and Sous-Moron BOSTON also fell out of the top 100 completely — EGAN was #9 at 1474 ISET in April, BOSTON was #8 at 1475. All three former top-10 names vanishing in one run underlines how much a 70–74%-reliability genomic proof can move.

What This Index Is Rewarding

• Volume vs. components: DG ELIANDRO cracked #2 on raw volume (2,063 kg milk, roughly 4,550 lb) with modest components (+0.28% fat, +0.09% protein), while Eichhof DOVER holds #10 on the opposite profile — components-heavy (+0.56% fat, +0.30% protein) on far less volume (1,416 kg, roughly 3,120 lb). Same index, opposite paths to a top-10 slot.
• Type vs. output: TGD-Holstein MONSET posts the table’s strongest conformation (ITP 129, udder 129) on comparatively modest volume (1,251 kg milk, roughly 2,760 lb), while Lars-Acres CARUTHERS-S carries the table’s highest milk volume (2,180 kg, roughly 4,800 lb) at a noticeably lower ITP (110). No single trait dominates the ranking outright.

Pedigree Concentration

• GAMEDAY-ET sits as maternal grandsire behind three of the ten current leaders — Torchlight, Cookiecutter HADLEY, and MONSET — a real concentration on one grand-maternal line, and not a new phenomenon: this same Gameday line was already reshuffling Switzerland’s rankings back in December 2025, when Sous-Moron BOSTON’s fall from #1 to outside the top 20 first put it on our radar. thebullvine
• For herds wanting to diversify away from that Gameday line, DG ELIANDRO (MGS ALTAALANZO-E) and Lars-Acres CARUTHERS-S (MGS VAN GOGH-ET) sit outside it.

Volatility and Reliability

• The newest, least-tested names are Bianfrie ALABAMA-ET (70% reliability, brand-new) and 3Star PATSER (71%, brand-new) — the two furthest from any daughter confirmation.

ISET Domestic Daughter-Proven — A Different Top Five

• TOPSTORY leads both runs (1420→1416) 
• The two real movers: Peak LEEDER jumped rank 4→3 (+26 points, 1383→1409, reliability rising 94%→96% alongside it — a genuine daughter-driven gain), and Leaninghouse TAOS jumped rank 7→5 (+23 points, 1358→1381, on a 206 kg milk-volume increase at flat 96% reliability).
• Progenesis INSPIRE (April’s #5 at 1369) fell out of this top 10, replaced by a new entrant at #9.

Where the Indexes Agree — and Where They Don’t

Core tension: The August 2026 run shows a 105-point gap between the hottest genomic prospect (Torchlight, 1521) and the top daughter-proven sire (Topstory, 1416) — not because Torchlight is a verified superior animal, but because a 70–72%-reliability genomic proof carries less statistical caution than a 90%+-reliability daughter-proven one. Breeders backing Torchlight or Eliandro are buying unverified upside; breeders backing Topstory or Ranger are buying confirmed safety at a lower ceiling. With three genomic bulls, including Progenesis TIMEOUT, vanishing from the top 100 in a single run, that upside comes with a real re-ranking risk, not just a statistical footnote.

How to Use These Sires This Season

Genomic-upside anchor. For herds comfortable riding out re-ranking risk in exchange for the newest genetics, Progenesis TORCHLIGHT is the safest bet among the hot names — he’s held #1 across both runs (1519→1521) rather than showing up fresh this cycle.

Daughter-proven anchor. For herds prioritizing predictability over ceiling, 3Star Oh RANGER’s 99% reliability on the Domestic Daughter-Proven list makes him the closest thing to a guaranteed outcome in this dataset, even at a lower 1397 ISET.

Type and udder specialists. For herds prioritizing conformation and mammary system over raw output, TGD-Holstein MONSET’s ITP 129 and udder score of 129 stand out in the genomic top 10, at the cost of milk volume (1,251 kg).

Volume and outcross options. For herds wanting fluid-milk volume and a pedigree outside the Gameday-ET cluster, DG ELIANDRO (2,063 kg milk, MGS ALTAALANZO-E) fits both criteria in one animal.

30-day action: Pull your current AI inventory and check exposure on two fronts — first, how much of your Gameday-ET maternal-grandsire line runs through Torchlight, Hadley, or Monset, since three of ten current genomic leaders trace to that one line; second, whether you’re still committed to straws on Progenesis TIMEOUT, Les Verdaux EGAN, or Sous-Moron BOSTON, all three of which fell out of the Swiss ISET Genomic top 100 entirely between the April and August 2026 runs.

•  SWITZERLAND – ISET – Genomic 08/26
• SWITZERLAND – ISET – Domestic dtr proven 08/26
• SWITZERLAND – Top 100 ISET heifers 08/26
• SWITZERLAND – Top 100 ISET cows 08/26

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