Table 3 Effects of different doses of MHA-Zn in low-protein diets on immune organ index of broilers.

From: Effects of organic zinc on production performance, meat quality, apparent nutrient digestibility and gut microbiota of broilers fed low-protein diets

Item (%)

A

B

C

D

SEM

p-value

Spleen index

0.11

0.12

0.14

0.12

0.006

0.447

Bursa of fabricius index

0.20

0.25

0.22

0.22

0.049

0.552

Thymus index

0.48

0.44

0.38

0.37

0.062

0.167

  1. Group A, normal diet (110 mg/kg MHA-Zn); Group B, low-protein diet (70 mg/kg MHA-Zn); Group C, low-protein diet (90 mg/kg MHA-Zn); Group D, low-protein diet (110 mg/kg MHA-Zn).