BMC Veterinary Research

Table 3 Metabolites and hormones concentrations according to parity order in Nellore cows under grazing

From: Effects of parity order on performance, metabolic, and hormonal parameters of grazing beef cows during pre-calving and lactation periods

Items	Parity				P-value
Items	Nulliparous	Primiparous	Multiparous	SEM	Par²	Day³	Par x Day
Glucose, mg/dL	65.66	63.93	64.32	1895	0.485	< 0.001	< 0.001
Triglycerides, mg/dL	37.47	40.35	38.60	1.450	0.332	< 0.001	0.711
Total cholesterol, mg/dL	136.49	138.14	134.31	7.842	0.868	< 0.001	0.367
VLDL, mg/dL	9.35	10.08	9.67	0.404	0.416	< 0.001	0.622
LDL, mg/dL	44.62	46.49	40.61	6.550	0.628	< 0.001	0.610
HDL, mg/dL	83.19	81.97	84.52	2.403	0.742	< 0.001	< 0.001
NEFA, mmol/L¹	0.08	0.07	0.11	0.141	0.402	<.0001	0.936
βHB, mmol/L¹	0.43	0.44	0.48	0.002	0.872	< 0.002	0.023
Total proteins, g/dL	6.53c	6.91b	7.24a	0.178	0.002	< 0.001	0.459
Albumin, g/dL	2.89b	2.87b	3.05a	0.067	0.034	< 0.001	0.790
Globulins, g/dL	3.77b	4.07a	4.20a	0.294	0.021	< 0.001	0.856
SUN, mg/dL	24.62a	24.78a	21.90b	1.473	0.023	< 0.001	0.206
Creatinine, g/dL	1.24	1.22	1.27	0.046	0.355	<.0001	0.028
IGF-1, ng/mL	128.73	142.08	149.18	8.194	0.184	< 0.001	0.01
Insulin, uIU/mL	2.31	2.78	2.89	0.416	0.511	< 0.001	0.816
T3, ng/mL	2.49	2.53	2.43	0.368	0.971	0.112	0.819
T4, ug/dL	8.4	7.55	7.97	0.839	0.764	0.059	0.983
Progesterone, ng/mL	5.36	4.77	4.16	1.099	0.703	< 0.001	0.537

Different letters declare significantly different between parities (P < 0.05)
¹Non-esterified fatty acids (NEFA); β-hydroxybutyrate (βHB); Serum urea nitrogen (SUN)
²Parity (Par)
³Day relative to calving (Day)

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ISSN: 1746-6148

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