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 13.64
Milk (kg) -304.00 -0.014 4.26
Fat (kg) -12.44 -0.375 4.66
Prot (kg) -10.71 -0.441 4.73
Fertility Sub Index 5.79
Calving Interval (days) -4.95 -1.459 7.22
Survival (%) -1.28 1.117 -1.43
Calving Sub Index -3.29
Gestation Length (days) 3.58 -0.919 -3.29
Beef Sub Index 3.21
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -3.52 -0.432 1.52
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 21.80

* Based on an €80/tonne carbon price