Vitamin K alleviates bone calcium loss caused by Salmonella Enteritidis through carboxylation of osteocalcin

Table 6 Effect of dietary vitamin K (VK) supplementation and Salmonella Enteritidis (SE) challenge on tibia bone calcium (Ca) concentration of laying hens (n = 6)

VK, mg/kg	SE^a	Based on defatted dry matter		Based on total ash
		Ca^b, %		Ca^b, %
		Week 42	Week 44	Week 42	Week 44
0	–	23.56	21.17	38.74	38.39
0	+		21.86		37.58
2	–	24.36	21.32	40.58	38.82
2	+		21.49		37.08
	SEM^c	0.739	0.0259	1.021	0.763
0		–	21.51	–	37.98
2		–	21.41	–	37.74
	SEM^c		0.190	–	0.549
	–	–	21.24	–	38.60
	+	–	21.68	–	37.08
	SEM^c	–	0.190	–	0.549
	VK	0.472	0.693	0.225	0.688
P-values⁴	SE	–	0.114	–	0.055
	VE × SE	–	0.347	–	0.346

^aSE Salmonella Enteritidis; −, without SE challenge; +, with SE challenge
^bCa Calcium
^cSEM Pooled standard error of the mean
⁴P-values for main effect of VK, the main effect of SE challenge, and the interaction between the VK treatments and SE challenge

ISSN: 2049-1891