Selection of copper and zinc dosages in pig diets based on the mutual benefit of animal growth and environmental protection
Dietary copper and zinc additives facilitate the growth and development of animals, but heavy metal in feces threatens the ecological environment, and balance is the key to solving the problem. In this study, a trial of 2000 pigs (early nursery, 9–15 kg; late nursery, 15–25 kg; grower: 25–60 kg) was...
Main Authors: | , , , , , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2021-06-01
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Series: | Ecotoxicology and Environmental Safety |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S0147651321002888 |