2026-04-14T02:26:46Zhttps://recercat.cat/oai/requestoai:recercat.cat:20.500.12327/8592025-10-22T11:20:25Zcom_2072_4428com_2072_4427col_2072_487898
RECERCAT
author
Devant, Maria
author
Yu, Shukun
author
Genís, Sandra
author
Larsen, Torben
author
Wenting, Li
other
Producció Animal
group
Producció de Remugants
2025-10-22T11:20:25Z
2025-10-22T11:20:25Z
2020-06-23
Devant, Maria, Shukun Yu, Sandra Genís, Torben Larsen, and Li Wenting. 2020. "Effects Of Exogenous Glucoamylase Enzymes Alone Or In Combination With A Neutral Protease On Apparent Total Tract Digestibility And Feces D-Lactate In Crossbred Angus Bulls Fed A Ration Rich In Rolled Corn". Animals 10 (6): 1077. doi:10.3390/ani10061077.
2076-2615
http://hdl.handle.net/20.500.12327/859
https://doi.org/10.3390/ani10061077
The aim of this study was to evaluate the effect of two glucoamylases (GA) and the
combination of one GA with a neutral protease on apparent total tract digestibility in beef bulls fed a
total mixed ration (TMR) rich in rolled corn. Sixteen Angus beef bulls (266 ± 4.9 kg of initial BW,
and 182 ± 1.7 d of age) were distributed in 4 blocks, each block consisted of 4 animals balanced by
BW. The experimental design was a 4 × 4 Latin square (4 blocks and 4 periods, 2 w per period).
Four treatments were tested; (1) control, (2) GA preparation from Trichoderma reesei (TrGA); (3) GA
from Aspergillus fumigatus (AfuGA); (4) AfuGA in combination with a neutral protease from Bacillus
amyloliquefaciens (BamPro). Apparent total tract digestibility and fecal D-lactate concentration were
analyzed. Enzyme supplementation, regardless of enzyme type, increased apparent total tract
digestibility of dry matter (from 66.7% to 73.1% ± 2.01), and starch (from 74.7% to 81.8% ± 2.25),
without affecting feces D-lactate concentration. Irrespective of glucoamylase type, glucoamylase
supplementation improved apparent digestibility of dry matter and starch, and the addition of a
protease did not have additional benefits on nutrient digestibility
eng
Attribution 4.0 International
Effects of exogenous glucoamylase enzymes alone or in combination with a neutral protease on apparent total tract digestibility and feces D-Lactate in crossbred angus bulls fed a ration rich in rolled corn
info:eu-repo/semantics/article