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 11.61
Milk (kg) -312.00 -0.014 4.37
Fat (kg) -9.37 -0.375 3.51
Prot (kg) -8.45 -0.441 3.73
Fertility Sub Index 5.34
Calving Interval (days) -3.34 -1.459 4.87
Survival (%) 0.42 1.117 0.47
Calving Sub Index 1.76
Gestation Length (days) -1.91 -0.919 1.76
Beef Sub Index 0.95
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) -2.69 -0.432 1.16
Maintenance Sub Index Maint. Sub Index 0.55
Live WT (kg) -1.80 -0.307 0.55
Total Carbon Sub Index 20.21

* Based on an €80/tonne carbon price