Micro-encapsulated zinc oxide as a means of controlling post-weaning diarrhoea in pigs

Document Type

Conference Proceeding

Publication Date

2011

Conference Title

hirteenth Biennial Conference of the Australasian Pig Science Association

Place of Publication

Adelaide

ISBN

978-0-9806880-1-6

ISSN

1324 9177

Keywords

pigs, swine

Disciplines

Animal Sciences | Meat Science

Abstract

he pharmacological use of zinc oxide (2,500-3,000 ppm ZnO) is widely accepted as an efficient means of controlling post-weaning diarrhoea (PWD) in piglets and is being used worldwide as an alternative to antibiotics (Mullan et al. 1995). However, the strategy is criticized because high levels of zinc are excreted into the environment through the effluent system. Recently, a microencapsulated zinc oxide (ME-ZnO) product (Shield Zn®, CTC Bio Inc., South Korea) claimed to reduce PWD while at a reduced concentration of ZnO of 100ppm. The ME-ZnO was evaluated relative to ZnO to assess its efficacy in controlling PWD. The hypothesis tested was that inclusion of ME-ZnO will efficiently control PWD and reduce faecal zinc excretion

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