551HO04520 THORSON

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Registration Name STGEN COWEN THORSON-ET
Registration Number HO840003213134253
Primary NAAB Code 551HO04520
Secondary Code(s) 151HO04520
Status Active AI Sire
Controller Name ST/TWG (151)
Date of Birth 2/16/2021
aAa 342
DMS 345,135
GFI 13%
Genetic Codes * TD TY TC TV TL TR TE
Haplotypes HH1T, HH2T, HH3T, HH4T, HH5T, HH6T
Sire PINE-TREE LIONEL COWEN-ET
MGS HURTGENLEA RICHARD CHARL-ET
Beta Casein -
Kappa Casein -
Beta Lactoglobulin -
INDEXES
NM$ 1063, 88% R CM$ 1086
NM Percentile 98% FM$ 1003
GTPI 3229 GM$ 1020
PRODUCTION TRAITS
587 Dtrs 35 herds 100 % US 99% R
Milk 1275 Fat, % 138 , +0.31%
SCS 3.19, 95% R Protein, % 58 , +0.06%
Feed Saved 207 , 56% R Milking Speed 6.97 , 68% R
Health & Fertility
Productive Life 3.1      88% R Mastitis -0.1      80% R
Heifer Livability 0.2       64% R Metritis 2.9      82% R
Livability -0.2      82% R D. Abom 0.3      80% R
DPR -2.9      89% R Ketosis -0.4      79% R
HCR 1.3      91% R R. Placenta 0.3      83% R
CCR -0.9      88% R Milk Fever 0.0      67% R
SCR -        -
Calving Traits
Sire CE 1.4      98% R 2164 Obs
Daughter CE 1.7      97% R 173 Obs, 173 Dtrs
Sire SB 3.4      97% R 2020 Obs
Daughter SB 3.9      96% R 168 Obs, Dtrs
Gestation Length 0.0      78% R 1 Obs, 3 Dtrs
Early First Calving 5.2      73% R 0 Obs, 0 Dtrs

CDCB December 2025; Base of Evaluation: HO

* Individual bull owners may test for more recessives

Composites HA 12/2025
416 Dtrs 24 herds 98% R
PTA Type -1.11 UDC -0.54
FLC -2.69 BWC -1.39
Linear Traits
Stature -0.78
Short
Strength -0.91
Weak
Body Depth -0.45
Shallow
Dairy Form 1.41
Open
Rump Angle -0.04
Flat
Thurl Width 0.82
Wide
Rear Legs-Side View 1.26
Curved
Rear Legs-Rear View -3.76
H.-in
Foot Angle -1.61
Low
Feet & Legs Score -2.35
Low
F.U. Attachment -1.11
Weak
Rear Udder Height -0.25
Low
Rear Udder Width 0.65
Wide
Udder Cleft -1.15
Weak
Udder Depth -2.22
Deep
Front Teat Placement 0.99
Close
Rear Teat Placement 1.45
Close
Teat Length -1.04
Short
-2
0
2

CDCB December 2025; Base of Evaluation: HO