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Feasibility of feeding cadmium accumulator maize (Zea mays L.) to beef cattle: Discovering a strategy for eliminating phytoremediation residues
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Zebang Xua, Bin Yanga, b, Kangle Yic, Tianrong Chena, Xinxin Xua, Ao Sunc, Haobang Lic, Jianbo Lic, Fang Hec, Cheng Huanc, Yang Luoc, a, *, Jiakun Wanga, *
Animal Nutrition | 2023, 15(1) : 1 - 9
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Animal Nutrition | 2023, 15(1): 1-9
• Original Research Article •
Feasibility of feeding cadmium accumulator maize (Zea mays L.) to beef cattle: Discovering a strategy for eliminating phytoremediation residues
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Zebang Xua, Bin Yanga, b, Kangle Yic, Tianrong Chena, Xinxin Xua, Ao Sunc, Haobang Lic, Jianbo Lic, Fang Hec, Cheng Huanc, Yang Luoc, a, *, Jiakun Wanga, *
Affiliations
  • aInstitute of Dairy Science, College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
  • bSchool of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, 310023, China
  • cHunan Institute of Animal and Veterinary Science, Changsha, 410131, China
Published: 2023-12-10 doi: 10.1016/j.aninu.2023.06.012
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Eco-friendly and efficient strategies for eliminating cadmium (Cd) phytoremediation plant residues are needed. The present study investigated the feasibility of feeding Cd accumulator maize to beef cattle. In total, 20 cattle at 6 months of age were selected and randomly allocated into two groups fed with 85.82%(fresh basis) Cd accumulator maize (CAM) or normal maize (control [Con]) silage diets for 107 d. Feeding CAM did not affect the body weight (P = 0.24), while it decreased feed intake and increased feed efficiency of beef cattle (P < 0.01). Feeding CAM increased serum concentrations of immunoglobulin A and G, complement 3 and 4, blood urea nitrogen, and low-density lipoprotein cholesterol, decreased serum concentrations of interleukin-6 and lipopolysaccharide (P < 0.05), and caused wider lumens in the renal tubules. The Cd residue in meat was 7μg/kg beyond the restriction for human food. In the muscle, the unsaturated fatty acids (t11C18∶1 and C20∶4), Lys, Arg, Pro, and Cys were decreased, while the saturated fatty acids (C10∶0, C12∶0, and C17∶0) and Leu were increased (P < 0.05). Therefore, at the current feeding level, phytoremediation maize increased the feed efficiency of beef cattle, but did present risks to cattle health and production safety, and decreased the meat nutrition and flavor. Further research must be performed to determine whether a lower proper dose of phytoremediation maize and an appropriate feeding period may be possible to ensure no risk to cattle health and the supply of safe meat for humans.

Beef cattle  /  Cadmium  /  Performance  /  Health
Zebang Xu, Bin Yang, Kangle Yi, Tianrong Chen, Xinxin Xu, Ao Sun, Haobang Li, Jianbo Li, Fang He, Cheng Huan, Yang Luo, Jiakun Wang. Feasibility of feeding cadmium accumulator maize (Zea mays L.) to beef cattle: Discovering a strategy for eliminating phytoremediation residues[J]. Animal Nutrition, 2023 , 15 (1) : 1 -9 . DOI: 10.1016/j.aninu.2023.06.012
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Article Info
doi: 10.1016/j.aninu.2023.06.012
  • Receive Date：2022-09-28
  • Online Date：2026-02-03
  • Published：2023-12-10
Article Data
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History
  • Received：2022-09-28
  • Revised：2023-06-16
  • Accepted：2023-06-27
Affiliations
    aInstitute of Dairy Science, College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
    bSchool of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, 310023, China
    cHunan Institute of Animal and Veterinary Science, Changsha, 410131, China

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* Corresponding authors. E-mail addresses: (Y. Luo)
(J. Wang).
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https://castjournals.cast.org.cn/joweb/aninu/EN/10.1016/j.aninu.2023.06.012
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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