Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 3.98
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -3.60 -0.375 1.35
Prot (kg) -2.07 -0.441 0.91
Fertility Sub Index 4.67
Calving Interval (days) -1.15 -1.459 1.68
Survival (%) 2.68 1.117 2.99
Calving Sub Index -0.30
Gestation Length (days) 0.33 -0.919 -0.30
Beef Sub Index -2.63
Carcass Weight (kg) 5.70 -0.528 -3.01
Age of Slaughter (days) -0.87 -0.432 0.38
Maintenance Sub Index Maint. Sub Index 5.18
Live WT (kg) -16.90 -0.307 5.18
Total Carbon Sub Index 10.90

* Based on an €80/tonne carbon price