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 4.40
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -2.86 -0.375 1.07
Prot (kg) -2.19 -0.441 0.97
Fertility Sub Index 7.95
Calving Interval (days) -4.73 -1.459 6.90
Survival (%) 0.94 1.117 1.05
Calving Sub Index 3.47
Gestation Length (days) -3.78 -0.919 3.47
Beef Sub Index 2.56
Carcass Weight (kg) -6.80 -0.528 3.59
Age of Slaughter (days) 2.37 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 23.00

* Based on an €80/tonne carbon price