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 8.02
Milk (kg) -170.00 -0.014 2.38
Fat (kg) -7.72 -0.375 2.89
Prot (kg) -6.22 -0.441 2.75
Fertility Sub Index 5.49
Calving Interval (days) -2.57 -1.459 3.75
Survival (%) 1.56 1.117 1.74
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.82
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 1.41 -0.432 -0.61
Maintenance Sub Index Maint. Sub Index 3.92
Live WT (kg) -12.80 -0.307 3.92
Total Carbon Sub Index 22.06

* Based on an €80/tonne carbon price