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 6.03
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -3.36 -0.375 1.26
Prot (kg) -5.74 -0.441 2.53
Fertility Sub Index -4.38
Calving Interval (days) 2.56 -1.459 -3.74
Survival (%) -0.58 1.117 -0.65
Calving Sub Index 0.56
Gestation Length (days) -0.61 -0.919 0.56
Beef Sub Index -1.53
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 4.03 -0.432 -1.74
Maintenance Sub Index Maint. Sub Index -1.75
Live WT (kg) 5.70 -0.307 -1.75
Total Carbon Sub Index -1.06

* Based on an €80/tonne carbon price