Effects of clay supplementation on rumen environment, metabolism, inflammation, and performance in dairy cows
type: CreativeWork
description: Oral supplementation of clay has been reported to function as buffer, an adsorbent, and aid in immune function. However, clays come in a variety of structures and each type has their own properties. Clay supplementation effects on rumen, metabolism, and performance have been considered individually among studies. Our objective was to determine the effects of 3 percentages of dietary clay (EcoMix®) supplementation after two different challenges. Challenge one was to induce sub-acute ruminal acidosis by challenge cows intraruminally with ground wheat and the second challenge introduced corn spiked with aflatoxin directly into the rumen. For the two challenges, 10 multiparous rumen-cannulated Holstein cows [BW (mean ± SD) = 648 ± 12kg] with 142 ± 130 (60 to 502) DIM were assigned to 1 of 5 treatments in a replicated 5 × 5 Latin square design balanced to measure carryover effects. For the acidosis challenge, periods (21 d) were divided into an adaptation phase (d 1 to 18, with regular TMR fed ad libitum) and a measurement phase (d 19 to 21). Feed was restricted on d 18 to 75% of the average of the TMR fed from d 15 to 17 (DM basis) and on d 19 cows received a grain challenge. The challenge consisted of 20% of the DMI as finely ground wheat administered into the rumen through the rumen-cannula, based on the average DMI obtained on d 15 to 17. For the aflatoxin challenge, 10 multiparous rumen-cannulated Holstein cows [BW (mean ± SD) = 669 ± 20 kg] with 146 ± 69 DIM were assigned to 1 of 5 treatments in a replicated 5 × 5 Latin square design balanced to measure carryover effects. Periods (21 d) were divided in an adaptation phase(d 1 to 14) and a measurement phase (d 15 to 21). From d 15 to 17 cows received an AF challenge. The challenge consisted of 100 μg of Aflatoxin B1 (AFB1)/kg of dietary DMI. The material was fitted into 10-mL gelatin capsules (TORPAC, Fairfield, NJ) and administered into the rumen through the rumen-cannula based on the average DMI obtained on d 12 t…
abstract: Oral supplementation of clay has been reported to function as buffer, an adsorbent, and aid in immune function. However, clays come in a variety of structures and each type has their own properties. Clay supplementation effects on rumen, metabolism, and performance have been considered individually among studies. Our objective was to determine the effects of 3 percentages of dietary clay (EcoMix®) supplementation after two different challenges. Challenge one was to induce sub-acute ruminal acidosis by challenge cows intraruminally with ground wheat and the second challenge introduced corn spiked with aflatoxin directly into the rumen. For the two challenges, 10 multiparous rumen-cannulated Holstein cows [BW (mean ± SD) = 648 ± 12kg] with 142 ± 130 (60 to 502) DIM were assigned to 1 of 5 treatments in a replicated 5 × 5 Latin square design balanced to measure carryover effects. For the acidosis challenge, periods (21 d) were divided into an adaptation phase (d 1 to 18, with regular TMR fed ad libitum) and a measurement phase (d 19 to 21). Feed was restricted on d 18 to 75% of the average of the TMR fed from d 15 to 17 (DM basis) and on d 19 cows received a grain challenge. The challenge consisted of 20% of the DMI as finely ground wheat administered into the rumen through the rumen-cannula, based on the average DMI obtained on d 15 to 17. For the aflatoxin challenge, 10 multiparous rumen-cannulated Holstein cows [BW (mean ± SD) = 669 ± 20 kg] with 146 ± 69 DIM were assigned to 1 of 5 treatments in a replicated 5 × 5 Latin square design balanced to measure carryover effects. Periods (21 d) were divided in an adaptation phase(d 1 to 14) and a measurement phase (d 15 to 21). From d 15 to 17 cows received an AF challenge. The challenge consisted of 100 μg of Aflatoxin B1 (AFB1)/kg of dietary DMI. The material was fitted into 10-mL gelatin capsules (TORPAC, Fairfield, NJ) and administered into the rumen through the rumen-cannula based on the average DMI obtained on d 12 t…
author: Sulzberger, Saige
language: en
keywords: Clay, Buffer, Acute and subacute ruminal acidosis (SARA), Aflatoxin, Liver, Gene Expression
date published: 2017-03-01T15:49:26Z
date modified: 2026-07-22T22:26:37Z
provider: University of Illinois - Urbana-Champaign
publisher: Networked Digital Library of Theses and Dissertations
type: WebPage
source organization: University of Illinois at Urbana-Champaign

PropertyValue
property ID: Handle
value: http://hdl.handle.net/2142/95393