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Parity and nutrient total-tract digestibility in dairy cows during transition period

Cows experience many physiological, nutritional and social changes during transition period. This study aims to evaluate the differences in nutrients total-tract digestibility (nTTD) between primiparous (PP) and multiparous (MP) cows through the transition period. From -23, -5, 0, 7, 14, and 30 days...

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Autores principales: Vettori, Julio de M., Cavallini, Damiano, Giammarco, Melania, Lanzoni, Lydia, Vignone, Oreste, Jalal, Hassan, Mammi, Ludovica, Pezzi, Paolo, Formigoni, Andrea, Fusaro, Isa
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10509770/
https://www.ncbi.nlm.nih.gov/pubmed/37736571
http://dx.doi.org/10.1016/j.vas.2023.100313
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author Vettori, Julio de M.
Cavallini, Damiano
Giammarco, Melania
Lanzoni, Lydia
Vignone, Oreste
Jalal, Hassan
Mammi, Ludovica
Pezzi, Paolo
Formigoni, Andrea
Fusaro, Isa
author_facet Vettori, Julio de M.
Cavallini, Damiano
Giammarco, Melania
Lanzoni, Lydia
Vignone, Oreste
Jalal, Hassan
Mammi, Ludovica
Pezzi, Paolo
Formigoni, Andrea
Fusaro, Isa
author_sort Vettori, Julio de M.
collection PubMed
description Cows experience many physiological, nutritional and social changes during transition period. This study aims to evaluate the differences in nutrients total-tract digestibility (nTTD) between primiparous (PP) and multiparous (MP) cows through the transition period. From -23, -5, 0, 7, 14, and 30 days from calving a sample of feed and feces samples were collected from 25 Holstein cows (11 PP and 14 MP) as well as daily rumination time through accelerometers. The results show that average nTTD were different (p ≤ 0.02) for amylase-treated neutral detergent fiber organic matter (aNDFom) and potentially digestible neutral detergent fiber (pdNDF(240); 52.5 vs. 54.0 and 78.8 vs. 81.3, respectively in PP vs. MP), while no differences were found regarding pdNDF(24) and starch (88.5 vs. 88.6 and 95.1 vs. 96.1, respectively in PP vs. MP). Total-tract starch digestibility (TTstarchD) was different among timepoints (p < 0.01), going from an average of 91.40 up to 97.39% of starch, on times -23 and 14, respectively. Differences in total-tract digestibility of aNDFom among timepoints (p < 0.01) was expected because of differences in diet composition among lactating and non-lactating cows. No differences in daily rumination time (p = 0.92), TTstarchD and total-tract potentially digestible NDF digestibility at 24 h (TTpdNDF(24)D) were recorded. Our findings show that fiber digestibility during the transition period is higher in MP probably for a different ruminal retention time. These differences should be considered when formulating rations for groups with different parity number.
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spelling pubmed-105097702023-09-21 Parity and nutrient total-tract digestibility in dairy cows during transition period Vettori, Julio de M. Cavallini, Damiano Giammarco, Melania Lanzoni, Lydia Vignone, Oreste Jalal, Hassan Mammi, Ludovica Pezzi, Paolo Formigoni, Andrea Fusaro, Isa Vet Anim Sci Article Cows experience many physiological, nutritional and social changes during transition period. This study aims to evaluate the differences in nutrients total-tract digestibility (nTTD) between primiparous (PP) and multiparous (MP) cows through the transition period. From -23, -5, 0, 7, 14, and 30 days from calving a sample of feed and feces samples were collected from 25 Holstein cows (11 PP and 14 MP) as well as daily rumination time through accelerometers. The results show that average nTTD were different (p ≤ 0.02) for amylase-treated neutral detergent fiber organic matter (aNDFom) and potentially digestible neutral detergent fiber (pdNDF(240); 52.5 vs. 54.0 and 78.8 vs. 81.3, respectively in PP vs. MP), while no differences were found regarding pdNDF(24) and starch (88.5 vs. 88.6 and 95.1 vs. 96.1, respectively in PP vs. MP). Total-tract starch digestibility (TTstarchD) was different among timepoints (p < 0.01), going from an average of 91.40 up to 97.39% of starch, on times -23 and 14, respectively. Differences in total-tract digestibility of aNDFom among timepoints (p < 0.01) was expected because of differences in diet composition among lactating and non-lactating cows. No differences in daily rumination time (p = 0.92), TTstarchD and total-tract potentially digestible NDF digestibility at 24 h (TTpdNDF(24)D) were recorded. Our findings show that fiber digestibility during the transition period is higher in MP probably for a different ruminal retention time. These differences should be considered when formulating rations for groups with different parity number. Elsevier 2023-09-06 /pmc/articles/PMC10509770/ /pubmed/37736571 http://dx.doi.org/10.1016/j.vas.2023.100313 Text en © 2023 The Authors https://creativecommons.org/licenses/by/4.0/This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Vettori, Julio de M.
Cavallini, Damiano
Giammarco, Melania
Lanzoni, Lydia
Vignone, Oreste
Jalal, Hassan
Mammi, Ludovica
Pezzi, Paolo
Formigoni, Andrea
Fusaro, Isa
Parity and nutrient total-tract digestibility in dairy cows during transition period
title Parity and nutrient total-tract digestibility in dairy cows during transition period
title_full Parity and nutrient total-tract digestibility in dairy cows during transition period
title_fullStr Parity and nutrient total-tract digestibility in dairy cows during transition period
title_full_unstemmed Parity and nutrient total-tract digestibility in dairy cows during transition period
title_short Parity and nutrient total-tract digestibility in dairy cows during transition period
title_sort parity and nutrient total-tract digestibility in dairy cows during transition period
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10509770/
https://www.ncbi.nlm.nih.gov/pubmed/37736571
http://dx.doi.org/10.1016/j.vas.2023.100313
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