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 4.66
Milk (kg) -67.00 -0.014 0.94
Fat (kg) -1.29 -0.375 0.48
Prot (kg) -7.34 -0.441 3.24
Fertility Sub Index 6.21
Calving Interval (days) -3.95 -1.459 5.76
Survival (%) 0.40 1.117 0.45
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 1.06
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 2.55 -0.432 -1.10
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 14.50

* Based on an €80/tonne carbon price