Effects of Dietary Sodium Level on Growth Performance, Hematological Parameters and Tibia Development of Broilers

FU Yu, DAI Dong, MA Youbiao, ZHANG Haijun, WANG Jing, WU Shugeng, QI Guanghai

doi:10.3969/j.issn.1006-267x.2018.11.018

Chinese Journal of Animal Nutrition >

2018 , Vol. 30 >Issue 11: 4416 - 4424

DOI: https://doi.org/10.3969/j.issn.1006-267x.2018.11.018

Molecular Nutrition

Effects of Dietary Sodium Level on Growth Performance, Hematological Parameters and Tibia Development of Broilers

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Key Laboratory of Feed Biotechnology of Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China

Received date: 2018-04-13

Online published: 2018-11-20

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Abstract

This study was conducted to investigate the effects of dietary sodium level on growth performance, blood ion concentrations, blood routine, blood gas and tibia parameters of broilers. A total of 270 one-day-old healthy male Arbor Acres broilers were randomly assigned to 3 groups with 6 replicates per group and 15 broilers per replicate. Broilers in the 3 groups were fed diets with the sodium level of 0.075% (low sodium group), 0.160% (medium sodium group) and 0.245% (high sodium group), respectively. The chlorine of each diet could meet the demand of broilers. The experiment lasted for 42 days including 3 periods which were early period (1 to 14 days of age), medium period (15 to 28 days of age) and late period (29 to 42 days of age). The results showed as follows:1) the average body weight of broilers at 14 and 28 days of age was significantly increased with dietary sodium level increasing (P<0.05). Compared with the medium sodium group and high sodium group, the average body weight of broilers at 42 days of age in the low sodium group was significantly decreased (P<0.05). Compared with the medium sodium group and high sodium group, the average daily gain in the low sodium group was significantly decreased during early period, medium period, late period and whole period (P<0.05). The average daily feed intake was significantly increased with dietary sodium level increasing during early period (P<0.05). Compared with the medium sodium group and high sodium group, the average daily feed intake in the low sodium group was significantly decreased during medium period, late period and whole period (P<0.05). Compared with the medium sodium group and high sodium group, the feed/gain in the low sodium group was significantly increased during early period, medium period and whole period (P<0.05). 2) Compared with the medium sodium group, the blood potassium ion concentration of broilers at 28 days of age in the low sodium group was significantly increased (P<0.05). Compared with the medium sodium group and high sodium group, the blood sodium ion and chloride ion concentrations of broilers at 28 days of age in the low sodium group were significantly decreased (P<0.05). Compared with the medium sodium group and high sodium group, the blood sodium ion concentration of broilers at 42 days of age in the low sodium group was significantly decreased (P<0.05). 3) There were no significant differences in blood routine parameters of broilers at 28 days of age (P>0.05). Compared with the low sodium group, the blood hemoglobin concentration (Hb) of broilers at 42 days of age in the medium sodium group was significantly increased (P<0.05). Compared with the medium sodium group and high sodium group, blood hematocrit value (Hct) of broilers at 42 days of age in the low sodium group was significantly decreased (P<0.05). 4) There were no significant differences in blood gas parameters (P>0.05). 5) Compared with the medium sodium group and high sodium group, the weight and length of tibia in the low sodium group was significantly decreased (P<0.05). Therefore, the 0.075% of sodium level can decrease the feed intake and inhibit the growth and development of tibia, and the high sodium level (0.245%) can improve the growth performance of broilers, especially in the early period (1 to 14 days of age).

Key words： broilers; sodium; chlorine; dEB; growth performance; hematological parameters; tibia development

Cite this article

FU Yu, DAI Dong, MA Youbiao, ZHANG Haijun, WANG Jing, WU Shugeng, QI Guanghai . Effects of Dietary Sodium Level on Growth Performance, Hematological Parameters and Tibia Development of Broilers[J]. Chinese Journal of Animal Nutrition, 2018 , 30(11) : 4416 -4424 . DOI: 10.3969/j.issn.1006-267x.2018.11.018

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