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 4.03
Milk (kg) -45.00 -0.014 0.63
Fat (kg) -3.99 -0.375 1.49
Prot (kg) -4.32 -0.441 1.91
Fertility Sub Index 2.67
Calving Interval (days) -2.34 -1.459 3.41
Survival (%) -0.67 1.117 -0.75
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.24
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.91 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 7.98

* Based on an €80/tonne carbon price