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 4.16
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -2.41 -0.375 0.90
Prot (kg) -3.10 -0.441 1.37
Fertility Sub Index 5.03
Calving Interval (days) -2.47 -1.459 3.60
Survival (%) 1.28 1.117 1.43
Calving Sub Index -2.68
Gestation Length (days) 2.92 -0.919 -2.68
Beef Sub Index -5.56
Carcass Weight (kg) 12.60 -0.528 -6.65
Age of Slaughter (days) -2.52 -0.432 1.09
Maintenance Sub Index Maint. Sub Index -8.43
Live WT (kg) 27.50 -0.307 -8.43
Total Carbon Sub Index -7.48

* Based on an €80/tonne carbon price