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231224s2016 xx |||||o 00| ||eng c |
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|a 10.5713/ajas.15.0300
|2 doi
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|a pubmed25n0860.xml
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|e rakwb
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|a eng
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|a Estrada-Angulo, A
|e verfasserin
|4 aut
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| 245 |
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|a Influence of Quaternary Benzophenantridine and Protopine Alkaloids on Growth Performance, Dietary Energy, Carcass Traits, Visceral Mass, and Rumen Health in Finishing Ewes under Conditions of Severe Temperature-humidity Index
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|c 2016
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 27.04.2016
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|a Date Revised 29.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Twenty Pelibuey×Katahdin ewes (35±2.3 kg) were used to determine the effects of the consumption of standardized plant extract containing a mixture of quaternary benzophenanthridine alkaloids and protopine alkaloids (QBA+PA) on growth performance, dietary energetics, visceral mass, and ruminal epithelial health in heat-stressed ewes fed with a high-energy corn-based diet. The basal diet (13.9% crude protein and 2.09 Mcal of net energy [NE] of maintenance/kg of dry matter) contained 49.7% starch and 15.3% neutral detergent fiber. Source of QBA+PA was Sangrovit RS (SANG) which contains 3 g of quaternary benzophenathridine and protopine alkaloids per kg of product. Treatments consisted of a daily consumption of 0 or 0.5 g SANG/ewe. Ewes were grouped by weight and assigned to 10 pens (5 pens/treatment), with two ewes per pen. The experimental period lasted 70 days. The mean temperature humidity index during the course of this experiment was 81.7±1.0 (severe heat stress). There were no treatment effects on water intake. Dry matter intake was not affected (p = 0.70) by treatments, but the group fed SANG had a numerically (11.2%) higher gain in comparison to the control group, SANG improved gain efficiency (8.3%, p = 0.04), dietary NE (5.2%, p<0.01) and the observed-to-expected NE (5.9%, p<0.01). Supplemental SANG did not affect (p≥0.12) carcass characteristics, chemical composition of shoulder, and organ weights (g/kg empty body weight) of stomach complex, intestines, and heart/lung. Supplemental SANG decreased liver weight (10.3%, p = 0.02) and increased visceral fat (16.9%, p = 0.02). Rumen epithelium of ewes fed SANG had lower scores for cellular dropsical degeneration (2.08 vs 2.34, p = 0.02), parakeratosis (1.30 vs 1.82, p = 0.03) and neutrophil infiltration (2.08 vs 2.86, p = 0.05) than controls. It is concluded that SANG supplementation helped ameliorate the negative effects of severe heat on growth performance of feedlot ewes fed high-energy corn-based diets. Improvement in energetic efficiency may have been mediated, in part, by anti-inflammatory effects of supplemental SANG and corresponding enhancement of nutrient uptake
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|a Journal Article
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|a Feed Efficiency
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|a Heat Stress
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| 650 |
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|a High-energy Diets
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| 650 |
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|a Isoquinoline Alkaloids
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| 650 |
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|a Ruminal Epithelial
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| 650 |
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|a Small Ruminants
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| 700 |
1 |
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|a Aguilar-Hernández, A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Osuna-Pérez, M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Núñez-Benítez, V H
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Castro-Pérez, B I
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Silva-Hidalgo, G
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Contreras-Pérez, G
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Barreras, A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Plascencia, A
|e verfasserin
|4 aut
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| 700 |
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|a Zinn, R A
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Asian-Australasian journal of animal sciences
|d 1998
|g 29(2016), 5 vom: 05. Mai, Seite 652-8
|w (DE-627)NLM098195883
|x 1011-2367
|7 nnns
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| 773 |
1 |
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|g volume:29
|g year:2016
|g number:5
|g day:05
|g month:05
|g pages:652-8
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|u http://dx.doi.org/10.5713/ajas.15.0300
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