The Role of Zinc in Pig Health, Production and Reproduction

Published on: 03/15/2017
Author/s : Kulajit Kalita, Dipankar Paul and Sanjib Borah. / Lakhimpur College of Veterinary Science, Assam Agricultural University, Joyhing, North Lakhimpur, Assam-787051, India.

The trace minerals provide essential nutrients required for various metabolic functions such as growth, development, reproduction and immunity. Even moderate deficiency can adversely effect animal performance. Consequent to urbanization and introduction of exotic breed as well as crossbreeding programme in livestock production, the increasing trends toward confinement of livestock, without access ...

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Edo Friday A Edo Friday A
March 15, 2017
Nice academic work
March 16, 2017
In conclusion, how, and in what amount should one include the zn in form of Zinc oxide to the diets of Pigs generally for weaners; growers; sows & gilts; lactating pigs and Boars to avoid the issue of zinc deficiency?

Anthony Tugbiyele
Steffen Hansen Steffen Hansen
Animal Nutritionist
March 20, 2017

Anthony Tugbiyele, add 2.5 - 3 kg ZnO to the feed from weaning and the following two weeks if you want to obtain an effect on post-weaning diarrhea. Do not add it any longer than two weeks because there is a risk that you will observe a negative effect on animal performance.
All other pigs should be fed diets containing at least 100 mg zinc per kg and not exceed 150 mg/kg. Zinc oxide can differ in quality with varying contents of Zn. If the zinc content in the zinc oxide you use is 75 % you will need to add 133 - 200 mg/kg feed.

September 21, 2019

Yes, due to the strategic relevance of Zn oxide in production of pigs. We must detail the importance of zinc oxide.

Dr Valeriy Kryukov Dr Valeriy Kryukov
Doctor in Biological Sciences
April 28, 2020
Someone once wrote that zinc is part of 200 enzymes, but apparently it seemed little and increased to 300. Who counted them? So now this figure will be rewritten from one review to another!
Often write organic or inorganic zinc. This is not correct. A single element cannot be organic or non-organic. These properties are inherent only in complex substances.
I do not recommend getting carried away with pharmacological doses of zinc, which are prohibited in the EU. It act mainly on the microflora, and the animal's body is protected from excessive intake of zinc.
Zinc plays a huge role in regulating the formation of metallothioneins, which form the antioxidant cycle "thioneion-thionen". This cycle is more active than glutathione-peroxidase, but experts of animal feeding do not know much about it yet.
Everything I have written has above nothing to do with the evaluation of Your article.
You wrote a good review. A lot of knowledge related to the action of zinc has been systematized. Interesting facts are reflected. In the future, each fact can be addressed with the question: How? or Why? That is, to study the mechanisms of this or that phenomenon. Knowledge of the mechanisms will allow you to manage them. You are young and you have a lot of strength, but I am not an extinct dinosaur
I wish you success
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