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 5.86
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -4.34 -0.375 1.63
Prot (kg) -4.52 -0.441 1.99
Fertility Sub Index 3.67
Calving Interval (days) -3.94 -1.459 5.75
Survival (%) -1.86 1.117 -2.08
Calving Sub Index -2.90
Gestation Length (days) 3.16 -0.919 -2.90
Beef Sub Index 2.43
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) -4.90 -0.432 2.12
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 11.26

* Based on an €80/tonne carbon price