D.4 ECM Yield

D.4 Swiss Fleckvieh: ECM Yield

A. parametric coefficients	Estimate	Std. Error	t-value	p-value
(Intercept)	18.9428	2.0368	9.3002	$< 0.0001$
parityprimiparous	-3.3689	0.0142	-236.8632	$< 0.0001$
year1985	0.4371	2.0474	0.2135	0.8309
year1986	0.3102	2.0464	0.1516	0.8795
year1987	0.0716	2.0478	0.0349	0.9721
year1988	-0.3584	2.0554	-0.1744	0.8616
year1989	0.4960	2.0565	0.2412	0.8094
year1990	0.9176	2.0553	0.4464	0.6553
year1991	1.1455	2.0556	0.5572	0.5774
year1992	1.4593	2.0517	0.7113	0.4769
year1993	1.3829	2.0517	0.6740	0.5003
year1994	1.2177	2.0522	0.5933	0.5530
year1995	1.5433	2.0564	0.7505	0.4530
year1996	1.7761	2.0557	0.8640	0.3876
year1997	2.2786	2.0564	1.1081	0.2678
year1998	3.1880	2.0566	1.5502	0.1211
year1999	3.1331	2.0596	1.5212	0.1282
year2000	3.0081	2.0612	1.4594	0.1445
year2001	3.3840	2.0762	1.6299	0.1031
year2002	3.4445	2.0684	1.6653	0.0959
year2003	3.9752	2.0675	1.9227	0.0545
year2004	4.4635	2.0679	2.1585	0.0309
year2005	4.8537	2.0704	2.3444	0.0191
year2006	4.7686	2.0692	2.3046	0.0212
year2007	4.4191	2.0694	2.1354	0.0327
year2008	4.6589	2.0682	2.2526	0.0243
year2009	4.8424	2.0665	2.3433	0.0191
year2010	5.3358	2.0644	2.5847	0.0097
year2011	5.2852	2.0614	2.5639	0.0104
year2012	5.2468	2.0608	2.5460	0.0109
year2013	5.0911	2.0603	2.4711	0.0135
year2014	5.6526	2.0607	2.7430	0.0061
year2015	6.1039	2.0609	2.9618	0.0031
year2016	6.3861	2.0608	3.0989	0.0019
year2017	6.4411	2.0613	3.1249	0.0018
year2018	7.2593	2.0617	3.5210	0.0004
year2019	7.3393	2.0627	3.5581	0.0004
year2020	7.8516	2.0673	3.7979	$< 0.0001$
year2021	8.0252	2.0703	3.8763	$< 0.0001$
year2022	7.7722	2.0760	3.7437	$< 0.0002$
year2023	8.3910	2.0798	4.0346	$< 0.0001$

B. smooth terms	edf	Ref.df	F-value	p-value
s(thi_mean_t0_3d):paritymultiparous	8.5041	8.5041	234.1182	$< 0.0001$
s(thi_mean_t0_3d):parityprimiparous	6.4177	6.4177	140.2851	$< 0.0001$
s(days_in_milk_t):paritymultiparous	14.1442	14.1442	103387.1413	$< 0.0001$
s(days_in_milk_t):parityprimiparous	12.3534	12.3534	9446.9365	$< 0.0001$

Table D.19: Swiss Fleckvieh: ECM Yield - 1984-2023 - GAMM model summary without random effect terms.

Smooth Term Fixed Effect	Est.	SE	z	p
s(thi_mean_t0_3d):multiFx1	0.4379	0.0980	4.47	$< 1e-05$
s(thi_mean_t0_3d):primiFx1	0.5091	0.1123	4.53	$< 1e-05$
s(days_in_milk_):multiFx1	0.1549	0.5426	0.29	0.7752
s(days_in_milk_):primiFx1	-0.4183	0.5123	-0.82	0.4142

Table D.20: Swiss Fleckvieh: ECM Yield - 1984-2023 - Mixed Model Summary - Smooth Terms and Random Effects.

Figure D.20: Swiss Fleckvieh: ECM Yield - 1984 - 2023 - THI Effect and Lactation Curve

A. parametric coefficients	Estimate	Std. Error	t-value	p-value
(Intercept)	18.6574	0.3504	53.2489	$< 0.0001$
parityprimiparous	-3.1387	0.0130	-242.3247	$< 0.0001$
year1985	0.5924	0.1977	2.9963	0.0027
year1986	0.5314	0.2944	1.8051	0.0711
year1987	0.2646	0.3287	0.8049	0.4209
year1988	-0.0889	0.3543	-0.2510	0.8018
year1989	0.7936	0.3810	2.0827	0.0373
year1990	1.2909	0.3896	3.3139	0.0009
year1991	1.5349	0.3928	3.9080	$< 0.0001$
year1992	1.8697	0.3991	4.6853	$< 0.0001$
year1993	1.7970	0.3757	4.7832	$< 0.0001$
year1994	1.6346	0.3831	4.2672	$< 0.0001$
year1995	1.9864	0.3616	5.4932	$< 0.0001$
year1996	2.2906	0.3599	6.3642	$< 0.0001$
year1997	2.8227	0.3546	7.9605	$< 0.0001$
year1998	3.7164	0.4462	8.3282	$< 0.0001$
year1999	3.7134	0.4226	8.7877	$< 0.0001$
year2000	3.6881	0.4271	8.6353	$< 0.0001$
year2001	4.0909	0.4333	9.4403	$< 0.0001$
year2002	4.1925	0.4333	9.6762	$< 0.0001$
year2003	4.7166	0.4412	10.6903	$< 0.0001$
year2004	5.3342	0.4443	12.0070	$< 0.0001$
year2005	5.8354	0.4797	12.1651	$< 0.0001$
year2006	5.8436	0.4795	12.1875	$< 0.0001$
year2007	5.5932	0.4985	11.2199	$< 0.0001$
year2008	5.9158	0.5046	11.7229	$< 0.0001$
year2009	6.4499	0.5281	12.2140	$< 0.0001$
year2010	7.1064	0.7553	9.4092	$< 0.0001$

B. smooth terms	edf	Ref.df	F-value	p-value
s(thi_mean_t0_3d):paritymultiparous	8.6994	8.6994	314.1151	$< 0.0001$
s(thi_mean_t0_3d):parityprimiparous	7.1424	7.1424	143.5337	$< 0.0001$
s(days_in_milk_t):paritymultiparous	13.5087	13.5087	161236.6570	$< 0.0001$
s(days_in_milk_t):parityprimiparous	12.1975	12.1975	14112.6321	$< 0.0001$

Table D.21: Swiss Fleckvieh: ECM Yield - 1984-2010 - GAMM model summary without random effect terms.

Smooth Term Fixed Effect	Est.	SE	z	p
s(thi_mean_t0_3d):multiFx1	0.4342	0.0866	5.01	$< 1e-06$
s(thi_mean_t0_3d):primiFx1	0.4046	0.1067	3.79	0.0002
s(days_in_milk_):multiFx1	-0.5972	0.4296	-1.39	0.1645
s(days_in_milk_):primiFx1	-0.5188	0.4339	-1.20	0.2319

Table D.22: Swiss Fleckvieh: ECM Yield - 1984-2010 - Mixed Model Summary - Smooth Terms and Random Effects.

Figure D.22: Swiss Fleckvieh: ECM Yield - 1984 - 2010 - THI Effect and Lactation Curve

A. parametric coefficients	Estimate	Std. Error	t-value	p-value
(Intercept)	23.9154	0.2931	81.5860	$< 0.0001$
parityprimiparous	-3.9004	0.0167	-232.8837	$< 0.0001$
year2012	-0.0690	0.3447	-0.2002	0.8413
year2013	-0.3623	0.3299	-1.0981	0.2722
year2014	0.1886	0.3276	0.5756	0.5649
year2015	0.5104	0.3329	1.5333	0.1252
year2016	0.9654	0.3357	2.8755	0.0040
year2017	1.2575	0.3307	3.8024	$< 0.0001$
year2018	1.7924	0.3342	5.3623	$< 0.0001$
year2019	1.9137	0.3315	5.7726	$< 0.0001$
year2020	2.3420	0.3412	6.8648	$< 0.0001$
year2021	2.6223	0.3210	8.1692	$< 0.0001$
year2022	2.3548	0.3389	6.9490	$< 0.0001$
year2023	2.6795	0.3323	8.0634	$< 0.0001$

B. smooth terms	edf	Ref.df	F-value	p-value
s(thi_mean_t0_3d):paritymultiparous	7.9356	7.9356	208.7322	$< 0.0001$
s(thi_mean_t0_3d):parityprimiparous	6.5668	6.5668	165.3686	$< 0.0001$
s(days_in_milk_t):paritymultiparous	13.4184	13.4184	85993.6942	$< 0.0001$
s(days_in_milk_t):parityprimiparous	12.3905	12.3905	6667.4461	$< 0.0001$

Table D.23: Swiss Fleckvieh: ECM Yield - 2011-2023 - GAMM model summary without random effect terms.

Smooth Term Fixed Effect	Est.	SE	z	p
s(thi_mean_t0_3d):multiFx1	-0.0875	0.0974	-0.90	0.3691
s(thi_mean_t0_3d):primiFx1	-0.5661	0.1180	-4.80	$< 1e-05$
s(days_in_milk_):multiFx1	-0.3719	0.4377	-0.85	0.3955
s(days_in_milk_):primiFx1	1.7240	0.5478	3.15	0.0017

Table D.24: Swiss Fleckvieh: ECM Yield - 2011-2023 - Mixed Model Summary - Smooth Terms and Random Effects.

Figure D.24: Swiss Fleckvieh: ECM Yield - 2011 - 2023 - THI Effect and Lactation Curve