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 8.84
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -5.04 -0.375 1.89
Prot (kg) -10.21 -0.441 4.51
Fertility Sub Index 3.47
Calving Interval (days) -2.35 -1.459 3.43
Survival (%) 0.04 1.117 0.04
Calving Sub Index 0.52
Gestation Length (days) -0.57 -0.919 0.52
Beef Sub Index 1.75
Carcass Weight (kg) -5.60 -0.528 2.95
Age of Slaughter (days) 2.80 -0.432 -1.21
Maintenance Sub Index Maint. Sub Index 7.02
Live WT (kg) -22.90 -0.307 7.02
Total Carbon Sub Index 21.61

* Based on an €80/tonne carbon price