Ritmaster Holsteins - Peter Ritmeester

Genomics

Genomic index DEU: +136 GRZG (2026-04)

Production 1521 M 0.44%F 0.19%P 114 F 76 P 148 RZM
Health 107 RZN 100 RZS 108 RZR 105 RZGes 2327 RZ€
Type 90 KÖR 121 MTY 101 EUT 93 FUN 99 RZE

Genomic index USA: +3024 GTPI (2026-04)

Production 740 M 0.13%F 0.08%P 67 F 45 P 510 NM
Health +0.6 PL 2.98 SCS -1.6 DPR
Type 0.44 UDC 0.55 F&L 0.81 PTAT

Genomic index NLD: +315 GNVI (2025-12; B&W)

Production 2005 M 0.21%F 0.07%P 111 F 79 P 673 INET
Health 386 LVD 100 UGH 102 CGT 106 VRU
Type 93 FR 99 TY 107 UI 98 BE 100 TOT

Pedigree

3STAR RM Marjo

Owen

3STAR RM Martine VG-85

2.06 305d 11.802kgM 4.26%F 502kgF 3.64%P 429kgP

Peak AltaAlanzo from the well-known bulldam family of Gold-N-Oaks Morty Malibu.  Tremendous scores for TPI and RZG! Also high in the UK ! Two sons sold to Semex

AltaAlanzo

Tirsvad K&L Riveting Magnolia GP-84

3.01 305d 8.551kgM 4.99%F 427kgF 3.50%P 299kgP
4.05 305d 7.550kgM 4.86%F 3673kgF 3.96%P 2992kgP

Has 10 bulls sold in AI and many high daughters in several systems!

Riveting

Pen-Col Superhero Mistral EX-91

3.00 305d 12.698kgM 4.68%F 594kgF 3.69%P 468kgP
4.00 305d 13.967kgM 4.56%F 637kgF 3.69%P 516kgP
5.08 305d 15.729kgM 4.21%F 662kgF 3.52%P 554kgP

Topcow with 5 sons in AI, like Mingus @Semex and Predar @Qnetics, former nr 2 bull in Germany! 

Next generations

  • Pen-Col Silver Missy (s. Silver)
  • Pen-Col SS Mistress GP-82 (s. Supersire)
  • Pen-Col Bookem Mattie VG-87 (s. Bookem)
    Moeder van Pen-Col Ss Macoy
  • MS Gold-N-Oaks Maybaline VG-88 (s. Man-O-Man)
  • Gold-N-Oaks S Marbella VG-89 (s. Shottle)
  • Gold-N-Oaks Morty Malibu EX-94 (s. Morty)

Superhero