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 13.67
Milk (kg) -355.00 -0.014 4.97
Fat (kg) -11.21 -0.375 4.20
Prot (kg) -10.20 -0.441 4.50
Fertility Sub Index 10.61
Calving Interval (days) -6.94 -1.459 10.13
Survival (%) 0.43 1.117 0.48
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.59
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 33.82

* Based on an €80/tonne carbon price