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 3.57
Milk (kg) -127.00 -0.014 1.78
Fat (kg) -4.08 -0.375 1.53
Prot (kg) -0.59 -0.441 0.26
Fertility Sub Index -3.59
Calving Interval (days) 3.16 -1.459 -4.61
Survival (%) 0.91 1.117 1.02
Calving Sub Index 2.76
Gestation Length (days) -3.00 -0.919 2.76
Beef Sub Index 0.41
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.26 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 9.63

* Based on an €80/tonne carbon price