Nutritional and quality changes in piglet concentrate affected by formulation and storage

Author:

Cella A.1ORCID,Ludke J.V.2ORCID,Coldebella A.2ORCID,Ludke M.C.M.M.3ORCID,Siqueira H.A.1ORCID,Oliveira Jr J.M.1ORCID,Peripolli V.4ORCID,Bianchi I.4ORCID

Affiliation:

1. Instituto Federal Catarinense, Brazil

2. Embrapa Suínos e Aves, Brazil

3. Universidade Federal Rural de Pernambuco, Brazil

4. Instituto Federal Catarinense, Brazil; Instituto Federal Catarinense, Brazil

Abstract

ABSTRACT The aim of this study was to evaluate the variations in the stability and nutrient concentration in concentrates for piglet feeding. Five treatments were established: T1 - Control, standard concentrate formulation (SCF); T2 - PXMore5, SCF with more 5% vitamin-mineral premix (VMP); T3 - PXLess5, SCF with less 5% VMP. All these three treatments used 400kg batches in an INTECNIAL mixer; T4 - FeedMixer, SCF using a 4,000kg batch in an IMOTO mixer; T5 - PremixMixer, SCF using a 1,200kg batch in an MUYANG mixer. For each treatment, bags of 20kg were stored in three storage places for four months where room temperature and relative humidity was recorded daily. The concentration of nutrients was evaluated through centesimal and mineral analysis. The water activity of concentrate was affected by temperature and relative air humidity in different storage places. The greatest variation in concentration of crude protein, mineral residue, copper, zinc, and selenium was due to the PremixMixer treatment. Regarding the guaranteed levels, the critical value was verified only for the chrome concentration.

Publisher

FapUNIFESP (SciELO)

Subject

General Veterinary

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