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 2.79
Milk (kg) -142.00 -0.014 1.99
Fat (kg) 1.36 -0.375 -0.51
Prot (kg) -2.97 -0.441 1.31
Fertility Sub Index 6.79
Calving Interval (days) -3.99 -1.459 5.82
Survival (%) 0.87 1.117 0.97
Calving Sub Index 1.71
Gestation Length (days) -1.86 -0.919 1.71
Beef Sub Index 1.50
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 2.26 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 15.81

* Based on an €80/tonne carbon price