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. 2021 Feb 7;99(2):skab040. doi: 10.1093/jas/skab040

Table 6.

Impact of feed level during the last week of gestation on sow colostrum composition (n = 8 sows/feed level)

	Feed level (FL), kg/d							Parity (P)			Time
Item	1.8	2.4	3.1	3.7	4.3	5.0	SEM	Gilt	Sow	SEM	0 h	12 h	24 h	36 h	SEM
Fat, %	9.09^a	7.51^b	7.68^b	7.57^bc	7.71^b	6.88^c	0.30	8.41^a	7.06^b	0.17	6.38^d	7.14^c	7.97^b	9.45^a	0.24
Lactose, %	3.95	3.98	4.06	4.07	4.04	4.05	0.04	4.02	4.02	0.02	3.31^d	3.94^c	4.35^b	4.50^a	0.03
Protein, %	9.47^b	10.5^ab	9.69^b	9.69^b	11.0^a	9.88^b	0.35	9.76^b	10.3^a	0.19	16.5^a	10.2^b	6.95^c	6.51^c	0.27
DM, %	23.4^a	22.6^a	22.2^b	22.2^b	23.2^a	21.7^b	0.43	22.9	22.2	0.24	27.2^a	22.1^b	20.0^c	20.9^c	0.34
	P-value
	Trt	P	Time	FL × P	Linear	Quadratic	Cubic
Fat	<0.001	<0.001	<0.001	<0.001	<0.001	0.15	0.002
Lactose	0.27	0.94	<0.001	<0.001	0.05	0.17	0.96
Protein	0.009	0.03	<0.001	<0.001	0.17	0.53	0.87
DM	0.04	0.03	<0.001	<0.001	0.06	0.57	0.04

^a–dMeans within a row with different superscript differ (P < 0.05).