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Gerald C Sharon – University of Minnesota Twin Cities,  Pao K Ku – Michigan State University, E R Miller, M T Yokoyama

Abstract

Growth, nutrient balance, plasma ammonia levels and urinary p-cresol excretion were evaluated in growing pigs fed diets containing various levels of zeolite A or clinoptilolite. In one growth trial, crossbred pigs averaging 25 kg initial body weight were assigned to diets containing no zeolite, .3% zeolite A or .5% clinoptilolite for a 6-wk growing phase trial. Average daily gain (ADG), average daily feed intake (ADF) and feed/gain (F/G) were unaffected by supplementation of either zeolite in the diet, but metabolizable energy (ME) utilization was improved by feeding diets containing either zeolite. A second growth trial utilized the same crossbred pigs, which averaged 65 kg initial body weight, and were assigned to diets containing no zeolite, 1% zeolite A or 5% clinoptilolite for an 8-wk finishing phase trial. Average daily gain, ADF, and ME utilization were unaffected by feeding either zeolite diet, while F/G was increased in pigs fed the diet containing 5% clinoptilolite. In two nutrient balance trials, 16 crossbred pigs averaging 7.5 kg in initial body weight were fed diets containing 0, 1, 2 or 3% zeolite A in one trial and 16 crossbred pigs averaging 7.0 kg initial body weight were fed diets containing 0, 2.5, 5.0 or 7.5% clinoptilolite in a second trial. In both trials, digestible energy, ME, N-corrected ME and ME corrected for N balance and zeolite levels were linearly reduced as increasing amounts of either zeolite were fed. Daily fecal N increased and apparent digestibility of N was linearly reduced by feeding increasing amounts of zeolite A or clinoptilolite. Biological value of protein was improved linearly as higher levels of zeolite A were fed, indicating that there may be some ammonia binding to zeolite A in the gastrointestinal tract. Net protein utilization was reduced by feeding increasing levels of clinoptilolite in the diet. Calcium, P, Mg, Na, K and Fe retentions were linearly reduced by feeding increasing amounts of zeolite A in the diet, while increasing levels of clinoptilolite caused only P retention to be linearly reduced. Both free and conjugated forms of urinary p-cresol were linearly reduced by feeding increasing levels of clinoptilolite. Plasma ammonia levels were reduced at subsequent bleedings after a meal and by increasing levels of clinoptilolite.

Effects of Zeolite a or Clinoptilolite in Diets of Growing Swine (PDF Download Available). Available from: researchgate.net [accessed Sep 24, 2017].

Zeolife.gr

Η επιχείρησή μας ασχολείται με την εφαρμογή και την πώληση πιστοποιημένου Ελληνικού φυσικού ζεόλιθου και φυσικού ζεόλιθου Ευρωπαϊκής προέλευσης για όλες τις χρήσεις. Από εμάς μπορείτε ακόμα να προμηθευτείτε περλίτη καθώς και Ελληνικό αργιλούχο διατομίτη. Η περιεκτικότητά του ζεόλιθου σε κλινοπτιλόλιθο για γεωργική και κτηνοτροφική χρήση ανέρχεται σε 85% τουλάχιστον και διατίθεται σε διάφορες κοκκομετρίες ανάλογα με τη χρήση του. Σκοπός μας είναι η διάδοση των αμέτρητων εφαρμογών των φυσικών αυτών αδρανών ορυκτών με αποτέλεσμα την άμεση ωφέλεια από τις ιδιότητές τους, σε τομείς όπως η γεωργία, η κτηνοτροφία, το περιβάλλον και η ανθρώπινη υγεία.

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