Dataset Information

Radiocesium transfer rates among pigs fed haylage contaminated with low levels of cesium at two differentiation stages.

ABSTRACT: The objective of this study was to determine the radiocesium transfer rates of pigs fed haylage contaminated with low levels of cesium at different growth stages. We measured the body weight of juvenile and adult pigs during the treatment period to confirm their health status. We also performed pig blood hematologic and biochemical analyses at both growth stages. To our knowledge, this is the first study to report pig radiocesium transfer coefficient rates after 1 month of chronic oral treatment, which is the period assumed to be required for body equilibrium under a diet of radiocesium-contaminated food. The results showed higher radiocesium retention rates in the kidneys, liver, spleen, genitals, psoas major, bladder, thyroid, and urine than in the blood and bone (tibia and femur) of pigs at both growth stages. The radiocesium retention levels were generally higher in juvenile pigs than in adult pigs, with the highest transfer coefficient ratio in the kidneys (16.2%).

SUBMITTER: Piao C

PROVIDER: S-EPMC7485866 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Radiocesium transfer rates among pigs fed haylage contaminated with low levels of cesium at two differentiation stages.

Piao Chunxiang C Ma Min M Chambers James K JK Uchida Kazuyuki K Ikeda Masanori M Kobayashi Natsuko I NI Hirose Atsushi A Tanoi Keitaro K Kuwahara Masayoshi M Li Junyou J

PloS one 20200911 9

The objective of this study was to determine the radiocesium transfer rates of pigs fed haylage contaminated with low levels of cesium at different growth stages. We measured the body weight of juvenile and adult pigs during the treatment period to confirm their health status. We also performed pig blood hematologic and biochemical analyses at both growth stages. To our knowledge, this is the first study to report pig radiocesium transfer coefficient rates after 1 month of chronic oral treatment ...[more]

PMID: 32915802

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Project description:Adequate crude protein (CP) levels in diets play potential roles in swine production. This study determined the impacts of different CP levels on the antioxidant capacity of pigs during different body weight (BW) stages. Three hundred and sixty Huanjiang mini-pigs were allocated to one of three independent experiments, including a 5-10 kg BW group, where CP levels included 14%, 16%, 18%, 20%, and 22%; a 10-20 kg BW group, where CP levels included 12%, 14%, 16%, 18%, and 20%; and a 20-30 kg BW group, where CP levels included 10%, 12%, 14%, 16%, and 18%. These independent experiments were conducted for 28, 28, and 26 days, respectively. Results showed that the 20% CP level increased (p < 0.05) the plasma CAT and GSH-Px activities and the GSH concentration of pigs than in the pigs supplemented with the 14-18% CP levels, and the 20% CP level up-regulated (p < 0.05) the ileal oxidative stress-related gene expression levels of pigs than in the pigs supplemented with the 14% CP level at the 5-10 kg BW. In addition, diets supplemented with 18% CP level increased (p < 0.05) the ileal GSH concentration of pigs than in the pigs supplemented with the 14% and 20% CP levels, and the 16-18% CP levels increased (p < 0.05) the jejunal SOD activity of pigs than in the pigs supplemented with the 14% CP level. At 10-20 kg BW, the 16% CP level presented the strongest jejunal and ileal antioxidant capacity, the 18% CP level had the lowest plasma concentrations of MDA and highest GSH, and the 14-16% CP levels increased the plasma CAT and SOD activities (p < 0.05). Moreover, the 16-20% CP levels up-regulated (p < 0.05) the oxidative stress-related gene expression levels. At 20-30 kg BW, diets supplemented with the 16% CP level increased the plasma CAT activity of pigs than in the pigs supplemented with the 12-14% CP levels, and the 14-16% CP levels decreased the MDA concentration compared with the 10% CP levels (p < 0.05). In conclusion, these findings indicate adequate CP levels of 20%, 16%, and 14% for Huanjiang mini-pigs at the 5-10, 10-20, and 20-30 kg BW stages, respectively.

Dataset Information

Radiocesium transfer rates among pigs fed haylage contaminated with low levels of cesium at two differentiation stages.

Publications

Radiocesium transfer rates among pigs fed haylage contaminated with low levels of cesium at two differentiation stages.

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