Effects of dietary phosphorous supplementation on laying performance, egg quality, bone health and immune responses of laying hens challenged with Escherichia coli lipopolysaccharide

Table 8 Jejunum morphological development of laying hens. Data are presented as means (SD)^a

NPP,%	LPS	Villi height, μm	Crypt depth, μm	Villi height / Crypt depth
0.12	–	2289^c	409^bc	5.74^c
0.12	+	2002^b	339^cd	6.11^c
0.40	–	2196^bc	312^d	7.45^b
0.40	+	2231^bc	426^b	5.86^c
SEM		41	14	0.16
Main effect means
NPP
0.12		2146	374	5.93^c
0.40		2215	376	6.57^b
LPS
–		2248	366	6.50^b
+		2117	383	5.99^c
P-value
NPP		0.396	0.858	0.018
LPS		0.117	0.387	0.048
NPP × LPS		0.046	0.001	0.002

^aMeans were calculated on n = 5 replicates (one laying hens per replicate) per treatment
^b-dWithin comparisons, means in a column with no common superscripts differ significantly (P < 0.05)

ISSN: 2049-1891