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 4.58
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -2.45 -0.375 0.92
Prot (kg) -4.52 -0.441 1.99
Fertility Sub Index 3.95
Calving Interval (days) -2.58 -1.459 3.76
Survival (%) 0.17 1.117 0.19
Calving Sub Index 0.80
Gestation Length (days) -0.87 -0.919 0.80
Beef Sub Index 1.25
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 13.65

* Based on an €80/tonne carbon price