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 2.75
Milk (kg) 37.00 -0.014 -0.52
Fat (kg) -4.12 -0.375 1.54
Prot (kg) -3.91 -0.441 1.73
Fertility Sub Index 9.00
Calving Interval (days) -4.57 -1.459 6.67
Survival (%) 2.09 1.117 2.33
Calving Sub Index 1.19
Gestation Length (days) -1.30 -0.919 1.19
Beef Sub Index 2.05
Carcass Weight (kg) -6.50 -0.528 3.43
Age of Slaughter (days) 3.19 -0.432 -1.38
Maintenance Sub Index Maint. Sub Index 5.49
Live WT (kg) -17.90 -0.307 5.49
Total Carbon Sub Index 20.49

* Based on an €80/tonne carbon price