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 7.51
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -6.42 -0.375 2.40
Prot (kg) -6.56 -0.441 2.90
Fertility Sub Index 4.46
Calving Interval (days) -2.22 -1.459 3.24
Survival (%) 1.09 1.117 1.22
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.08
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 3.61 -0.432 -1.56
Maintenance Sub Index Maint. Sub Index 6.65
Live WT (kg) -21.70 -0.307 6.65
Total Carbon Sub Index 22.50

* Based on an €80/tonne carbon price