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 -4.25
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) 4.44 -0.375 -1.66
Prot (kg) 5.58 -0.441 -2.46
Fertility Sub Index 0.94
Calving Interval (days) 0.52 -1.459 -0.76
Survival (%) 1.52 1.117 1.70
Calving Sub Index -2.07
Gestation Length (days) 2.25 -0.919 -2.07
Beef Sub Index -1.19
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 3.61 -0.432 -1.56
Maintenance Sub Index Maint. Sub Index 1.78
Live WT (kg) -5.80 -0.307 1.78
Total Carbon Sub Index -4.79

* Based on an €80/tonne carbon price