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 3.91
Milk (kg) -5.00 -0.014 0.07
Fat (kg) -7.71 -0.375 2.89
Prot (kg) -2.16 -0.441 0.95
Fertility Sub Index 5.24
Calving Interval (days) -2.38 -1.459 3.47
Survival (%) 1.58 1.117 1.77
Calving Sub Index -1.56
Gestation Length (days) 1.70 -0.919 -1.56
Beef Sub Index -2.59
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 5.52 -0.432 -2.38
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 9.57

* Based on an €80/tonne carbon price