NR 16. Supplementation with high moisture corn of dent maize or flinth maize to dairy cows grazing annual ryegrass. Effects on intake, milk yield and composition and rumen environment

NR 16. Supplementation with high moisture corn of dent maize or flinth maize to dairy cows grazing annual ryegrass. Effects on intake, milk yield and composition and rumen environment

A trial was conducted to evaluate the effects of high moisture corn (HMC) of dent and flinth maize variteties on dry matter (DM) intake, milk yield and composition, and rumen environment in dairy cows grazing an annual ryegrass (Lolium multiflorum cv. Grasslands Tama). Forty Holstein cows in a completely randomized design adjusted for covariance and four Holstein cows with rumen cannulae were used in a cross-over design. Treatments were: T1: grazing annual ryegrass day and night + 7 kg/day HMC-Dent (69.65 % DM, pH: 3.65) + 2 kg/day sunflower meal, and T2: idem T1 plus 7 kg/day HMC-Flinth (67.17 % DM, pH: 3.69) + 2 kg/day sunflower meal. Crude protein, neutral detergent fiber, acid detergent fiber, and in vitro DM digestibility of ryegrass were: 20.86%, 31.58%, 19.71% and 80.86%, respectively. HMC intake was similar in both treatments: 5.06 and 5.32 kg DM/day for T1 and T2, respectively. Milk yield was significantly higher in T2; however milk composition was not affected by treatments. Rumen fluid pH (T1: 5.91, T2: 6.08) and N-NH3 concentrations (T1: 10.35 mg/dl, T2: 8.92 mg/dl) were similar in both treatments.

Saved in:
Bibliographic Details
Main Authors: Pieroni, G. A., Rearte, Daniel H., Baldo, A., Romero, J. R.
Format: Digital revista
Language:spa
Published: Asociacion Latinoamericana de Produccion Animal 2005
Online Access:https://ojs.alpa.uy/index.php/ojs_files/article/view/98
Tags: Add Tag
No Tags, Be the first to tag this record!
id oai:ojs.ojs.alpa.uy:article-98
record_format ojs
spelling oai:ojs.ojs.alpa.uy:article-982022-11-01T17:44:41Z NR 16. Supplementation with high moisture corn of dent maize or flinth maize to dairy cows grazing annual ryegrass. Effects on intake, milk yield and composition and rumen environment Pieroni, G. A. Rearte, Daniel H. Baldo, A. Romero, J. R. High moisture corn dent maize flinth maize supplementation milk yield milk composition rumen environment A trial was conducted to evaluate the effects of high moisture corn (HMC) of dent and flinth maize variteties on dry matter (DM) intake, milk yield and composition, and rumen environment in dairy cows grazing an annual ryegrass (Lolium multiflorum cv. Grasslands Tama). Forty Holstein cows in a completely randomized design adjusted for covariance and four Holstein cows with rumen cannulae were used in a cross-over design. Treatments were: T1: grazing annual ryegrass day and night + 7 kg/day HMC-Dent (69.65 % DM, pH: 3.65) + 2 kg/day sunflower meal, and T2: idem T1 plus 7 kg/day HMC-Flinth (67.17 % DM, pH: 3.69) + 2 kg/day sunflower meal. Crude protein, neutral detergent fiber, acid detergent fiber, and in vitro DM digestibility of ryegrass were: 20.86%, 31.58%, 19.71% and 80.86%, respectively. HMC intake was similar in both treatments: 5.06 and 5.32 kg DM/day for T1 and T2, respectively. Milk yield was significantly higher in T2; however milk composition was not affected by treatments. Rumen fluid pH (T1: 5.91, T2: 6.08) and N-NH3 concentrations (T1: 10.35 mg/dl, T2: 8.92 mg/dl) were similar in both treatments. Asociacion Latinoamericana de Produccion Animal 2005-02-18 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Articulo cientifico original Texto application/pdf https://ojs.alpa.uy/index.php/ojs_files/article/view/98 Latin American Archives of Animal Production; Vol. 5 No. 3 (1997): Proceedings XV ALPA meeting 1 Archivos Latinoamericanos de Producción Animal; Vol. 5 Núm. 3 (1997): Proceedings XV ALPA meeting 1 2075-8359 1022-1301 spa https://ojs.alpa.uy/index.php/ojs_files/article/view/98/100
institution ALPA
collection OJS
country Uruguay
countrycode UY
component Revista
access En linea
databasecode rev-alpa
tag revista
region America del Sur
libraryname Biblioteca ALPA
language spa
format Digital
author Pieroni, G. A.
Rearte, Daniel H.
Baldo, A.
Romero, J. R.
spellingShingle Pieroni, G. A.
Rearte, Daniel H.
Baldo, A.
Romero, J. R.
NR 16. Supplementation with high moisture corn of dent maize or flinth maize to dairy cows grazing annual ryegrass. Effects on intake, milk yield and composition and rumen environment
author_facet Pieroni, G. A.
Rearte, Daniel H.
Baldo, A.
Romero, J. R.
author_sort Pieroni, G. A.
title NR 16. Supplementation with high moisture corn of dent maize or flinth maize to dairy cows grazing annual ryegrass. Effects on intake, milk yield and composition and rumen environment
title_short NR 16. Supplementation with high moisture corn of dent maize or flinth maize to dairy cows grazing annual ryegrass. Effects on intake, milk yield and composition and rumen environment
title_full NR 16. Supplementation with high moisture corn of dent maize or flinth maize to dairy cows grazing annual ryegrass. Effects on intake, milk yield and composition and rumen environment
title_fullStr NR 16. Supplementation with high moisture corn of dent maize or flinth maize to dairy cows grazing annual ryegrass. Effects on intake, milk yield and composition and rumen environment
title_full_unstemmed NR 16. Supplementation with high moisture corn of dent maize or flinth maize to dairy cows grazing annual ryegrass. Effects on intake, milk yield and composition and rumen environment
title_sort nr 16. supplementation with high moisture corn of dent maize or flinth maize to dairy cows grazing annual ryegrass. effects on intake, milk yield and composition and rumen environment
description A trial was conducted to evaluate the effects of high moisture corn (HMC) of dent and flinth maize variteties on dry matter (DM) intake, milk yield and composition, and rumen environment in dairy cows grazing an annual ryegrass (Lolium multiflorum cv. Grasslands Tama). Forty Holstein cows in a completely randomized design adjusted for covariance and four Holstein cows with rumen cannulae were used in a cross-over design. Treatments were: T1: grazing annual ryegrass day and night + 7 kg/day HMC-Dent (69.65 % DM, pH: 3.65) + 2 kg/day sunflower meal, and T2: idem T1 plus 7 kg/day HMC-Flinth (67.17 % DM, pH: 3.69) + 2 kg/day sunflower meal. Crude protein, neutral detergent fiber, acid detergent fiber, and in vitro DM digestibility of ryegrass were: 20.86%, 31.58%, 19.71% and 80.86%, respectively. HMC intake was similar in both treatments: 5.06 and 5.32 kg DM/day for T1 and T2, respectively. Milk yield was significantly higher in T2; however milk composition was not affected by treatments. Rumen fluid pH (T1: 5.91, T2: 6.08) and N-NH3 concentrations (T1: 10.35 mg/dl, T2: 8.92 mg/dl) were similar in both treatments.
publisher Asociacion Latinoamericana de Produccion Animal
publishDate 2005
url https://ojs.alpa.uy/index.php/ojs_files/article/view/98
work_keys_str_mv AT pieroniga nr16supplementationwithhighmoisturecornofdentmaizeorflinthmaizetodairycowsgrazingannualryegrasseffectsonintakemilkyieldandcompositionandrumenenvironment
AT reartedanielh nr16supplementationwithhighmoisturecornofdentmaizeorflinthmaizetodairycowsgrazingannualryegrasseffectsonintakemilkyieldandcompositionandrumenenvironment
AT baldoa nr16supplementationwithhighmoisturecornofdentmaizeorflinthmaizetodairycowsgrazingannualryegrasseffectsonintakemilkyieldandcompositionandrumenenvironment
AT romerojr nr16supplementationwithhighmoisturecornofdentmaizeorflinthmaizetodairycowsgrazingannualryegrasseffectsonintakemilkyieldandcompositionandrumenenvironment
_version_ 1755914864554934272

Similar Items