Table 2.

Median herd parameters of lactation and tSCC (total Somatic Cell Count).

tSCC	$\widetilde{\mathit{\text{a}}}$	$\widetilde{\mathit{\text{b}}}$	$\widetilde{\mathit{\text{c}}}$	$\widetilde{\mathit{\text{d}}}$	–
Lac. 1	1.99	1.13e − 04	−2.18	0.211
Lac. 2	2.08	6.65e − 05	−1.87	0.171
Lac. 3	2.12	4.58e − 05	−1.55	0.233
Lac. 4	2.14	2.49e − 05	−1.35	0.305
Lac. 5	2.15	1.32e − 05	−1.27	0.333
Lac. 6	2.16	7.11e − 06	−1.35	0.290
Lactation curves	${\mathit{\theta }}_{\mathbf{1}}^{\mathit{a}}$	${\mathit{\theta }}_{\mathbf{2}}^{\mathit{a}}$	${\mathit{\theta }}_{\mathbf{1}}^{\mathit{c}}$	${\mathit{\theta }}_{\mathbf{2}}^{\mathit{c}}$	${\mathit{\theta }}_{\mathbf{3}}^{\mathit{c}}$
Lac. 1	30.3	3.66	−2.43	3.24	−4.94
Lac. 2	39.8	3.44	−1.79	3.69	−4.87
Lac. ≥3	42.5	3.38	−1.68	3.58	−4.84

From equations (3), (4), and (9) depicted in Figures 2 and 6.

lac., lactation.