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 -4.01
Milk (kg) -55.00 -0.014 0.77
Fat (kg) 10.24 -0.375 -3.84
Prot (kg) 2.14 -0.441 -0.94
Fertility Sub Index 9.06
Calving Interval (days) -4.61 -1.459 6.73
Survival (%) 2.09 1.117 2.33
Calving Sub Index 0.51
Gestation Length (days) -0.56 -0.919 0.51
Beef Sub Index 1.13
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 2.14 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index -1.20
Live WT (kg) 3.90 -0.307 -1.20
Total Carbon Sub Index 5.50

* Based on an €80/tonne carbon price