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 6.26
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -7.42 -0.375 2.78
Prot (kg) -3.45 -0.441 1.52
Fertility Sub Index 4.11
Calving Interval (days) -2.38 -1.459 3.47
Survival (%) 0.57 1.117 0.64
Calving Sub Index -1.09
Gestation Length (days) 1.19 -0.919 -1.09
Beef Sub Index -4.93
Carcass Weight (kg) 8.60 -0.528 -4.54
Age of Slaughter (days) 0.91 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index -1.53
Live WT (kg) 5.00 -0.307 -1.53
Total Carbon Sub Index 2.81

* Based on an €80/tonne carbon price