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 7.40
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -5.95 -0.375 2.23
Prot (kg) -7.00 -0.441 3.09
Fertility Sub Index 7.55
Calving Interval (days) -4.07 -1.459 5.94
Survival (%) 1.44 1.117 1.61
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.29
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.44 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 18.04

* Based on an €80/tonne carbon price