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 4.37
Milk (kg) -38.00 -0.014 0.53
Fat (kg) -3.38 -0.375 1.27
Prot (kg) -5.82 -0.441 2.57
Fertility Sub Index -7.20
Calving Interval (days) 3.72 -1.459 -5.43
Survival (%) -1.59 1.117 -1.78
Calving Sub Index 0.24
Gestation Length (days) -0.26 -0.919 0.24
Beef Sub Index 0.49
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.29 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index 0.46
Live WT (kg) -1.50 -0.307 0.46
Total Carbon Sub Index -1.65

* Based on an €80/tonne carbon price