Henry L Classen
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Explore the profile of Henry L Classen including associated specialties, affiliations and a list of published articles.
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21
Citations
85
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Recent Articles
1.
Gurney K, Classen H, Clark R
PLoS One
. 2024 Jun;
19(6):e0304495.
PMID: 38875228
Discerning assimilated diets of wild animals using stable isotopes is well established where potential dietary items in food webs are isotopically distinct. With the advent of mixing models, and Bayesian...
2.
Karunaratne N, Classen H, van Kessel A, Bedford M, Ames N, Newkirk R
Anim Nutr
. 2023 Nov;
15:288-296.
PMID: 38033604
Exogenous enzymes as alternatives to feed antibiotics in poultry has become an emerging research area with the emergence of antibiotic resistance. The objective was to evaluate the effects of diet...
3.
Karunaratne N, Classen H, Ames N, Bedford M, Newkirk R
Poult Sci
. 2022 Mar;
101(5):101735.
PMID: 35247816
Exogenous β-glucanase (BGase) improves nutrient digestibility and production performance in laying hens fed barley-based diets, but the effect of enzyme and the dosage on β-glucan depolymerization and fermentation in the...
4.
Karunaratne N, Newkirk R, Ames N, van Kessel A, Bedford M, Classen H
Anim Nutr
. 2021 Aug;
7(3):595-608.
PMID: 34377846
Exogenous β-glucanase (BGase) in barley-based feed has been shown to reduce digesta viscosity in chickens, and thereby improve performance. Less well studied is the potential for BGase to convert barley...
5.
Karunaratne N, Newkirk R, Ames N, van Kessel A, Bedford M, Classen H
PLoS One
. 2021 May;
16(5):e0236231.
PMID: 33939708
Introduction: Limited use of medication in poultry feed led to the investigation of exogenous enzymes as antibiotic alternatives for controlling enteric disease. The objective of this study was to evaluate...
6.
Karunaratne N, Classen H, Ames N, Bedford M, Newkirk R
Poult Sci
. 2021 Mar;
100(3):100967.
PMID: 33652524
The reduced use of antibiotics in poultry feed has led to the investigation of alternatives to antibiotics, and one such substitution is fermentable carbohydrates. Exogenous β-glucanase (BGase) is commonly used...
7.
Karunaratne N, Newkirk R, van Kessel A, Bedford M, Classen H
Poult Sci
. 2021 Feb;
100(2):776-787.
PMID: 33518132
Diet β-glucanase (BGase) depolymerizes viscous β-glucan into lower molecular weight carbohydrates, which might act as a prebiotic in chickens exposed to enteric disease. Coccidiosis-challenged broiler chickens were fed graded levels...
8.
Bryan D, Classen H
Animals (Basel)
. 2020 Mar;
10(4).
PMID: 32218193
Protein quality assessment of feed ingredients for poultry is often achieved using in vitro or in vivo testing. In vivo methods can be expensive and time consuming. Protein quality can...
9.
Herwig E, Schwean-Lardner K, Van Kessel A, Savary R, Classen H
PLoS One
. 2020 Feb;
15(2):e0228647.
PMID: 32032378
The objective of this research was to evaluate activation of the ileal brake in broiler chickens using diets containing semi-purified wheat (WS; rapidly and highly digested) and pea (PS; slowly...
10.
Effect of protein sources on performance characteristics of turkeys in the first three weeks of life
Ross M, Bryan D, Abbott D, Classen H
Anim Nutr
. 2020 Jan;
5(4):396-406.
PMID: 31890917
The effect of nutrition during the early life of turkey poults has a long-lasting impact on bird performance. This study assessed the digestibility of 5 high protein feed ingredients (soybean...