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 6.08
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -3.57 -0.375 1.34
Prot (kg) -5.67 -0.441 2.50
Fertility Sub Index 2.86
Calving Interval (days) -1.51 -1.459 2.20
Survival (%) 0.59 1.117 0.66
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 3.61
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) -2.61 -0.432 1.13
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 23.92

* Based on an €80/tonne carbon price