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 5.98
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -5.27 -0.375 1.97
Prot (kg) -4.00 -0.441 1.77
Fertility Sub Index 8.18
Calving Interval (days) -4.13 -1.459 6.03
Survival (%) 1.93 1.117 2.16
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.97
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 2.40 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 23.84

* Based on an €80/tonne carbon price