Effects of Iron on Performance, Hematopoietic Function and Iron Metabolism of Wulong Geese Aged from 1 to 4 Weeks

WANG Baowei; MA Chuanxing; GE Wenhua; ZHANG Ming; KONG Min; ZHANG Xiao; SUI Li

doi:10.3969/j.issn.1006-267x.2016.05.012

Chinese Journal of Animal Nutrition >

2016 , Vol. 28 >Issue 5: 1369 - 1376

DOI: https://doi.org/10.3969/j.issn.1006-267x.2016.05.012

POULTRY NUTRITION

Effects of Iron on Performance, Hematopoietic Function and Iron Metabolism of Wulong Geese Aged from 1 to 4 Weeks

WANG Baowei ,
MA Chuanxing ,
GE Wenhua ,
ZHANG Ming ,
KONG Min ,
ZHANG Xiao ,
SUI Li

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Nutrition and Feed Laboratory of China Agriculture Research System, Institute of High Quality Waterfowl, Qingdao Agricultural University, Qingdao 266109, China

Received date: 2015-12-09

Online published: 2016-05-24

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Abstract

This experiment was conducted to study the effects of dietary iron supplemental level on performance, hematopoietic function and iron metabolism of Wulong geese aged from 1 to 4 Weeks, and to find the appropriate supplemental level of the iron of geese. A total of 360 one-day-old Wulong geese were randomly divided into 6 groups with 6 replicates per group and 10 geese per replicate. Geese in the group Ⅰ (control group) were fed a basal diet, and geese in the experimental groups (groups Ⅱ to Ⅵ) were fed the basal diet supplemented with 40, 80, 120, 160 and 200 mg/kg iron, respectively. The experiment lasted for 4 weeks. The results showed as follows, compared with the control group:1) dietary supplemented with 80 to 120 mg/kg iron significantly increased the body weight and average daily gain (P<0.05), and significantly decreased the ratio of feed to gain (P<0.05). 2) Dietary supplemented with 80 to 120 mg/kg iron significantly increased the dressed percentage, percentage of half-eviscerated yield and percentage of leg muscle rate of geese (P<0.05). 3) Dietary supplemented with 80 mg/kg iron significantly increased mean corpuscular volume and mean erythrocyte hemoglobin content in blood of geese (P<0.05), dietary supplemented with 80 to 200 mg/kg iron significantly increased red cell counts and hemoglobin concentration in blood of geese (P<0.05), dietary supplemented with 120 to 200 mg/kg iron significantly increased hematocrit in blood of geese (P<0.05). 4) Dietary supplemented with 160 to 200 mg/kg iron significantly decreased total iron binding capacity in serum of geese (P<0.05), and significantly increased transferrin saturation in serum of geese (P<0.05); dietary supplemented with 120 mg/kg iron significantly decreased the content of uric nitrogen and creatinine in serum of geese (P<0.05), dietary supplemented with 80 mg/kg iron significantly decreased the serum uric acid content of geese (P<0.05). In conclusion, with the best growth performance as the target, the dietary appropriate iron supplemental level of Wulong geese aged from 1 to 4 weeks is 99.56 to 116.91 mg/kg.

Key words： iron; geese; performance; hematopoietic function; iron metabolism

Cite this article

WANG Baowei , MA Chuanxing , GE Wenhua , ZHANG Ming , KONG Min , ZHANG Xiao , SUI Li . Effects of Iron on Performance, Hematopoietic Function and Iron Metabolism of Wulong Geese Aged from 1 to 4 Weeks[J]. Chinese Journal of Animal Nutrition, 2016 , 28(5) : 1369 -1376 . DOI: 10.3969/j.issn.1006-267x.2016.05.012

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