Effect of ruminal mechanical stimulating brushes on the performance of lactating Holstein dairy cows
The aim of this study was to confirm the hypothesis that artificial brushes administered to the rumen can partially replace the function of structural fibre, and increase milk production or quality. To mitigate the risks of feeding low levels of physically effective neutral detergent fibre (peNDF) t...
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| Format: | Article |
| Language: | English |
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Croatian Dairy Union
2021-01-01
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| Series: | Mljekarstvo |
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| Online Access: | https://hrcak.srce.hr/file/393980 |
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| author | Radko Loucka Filip Jancik Junichi Takahashi Vaclav Jambor Ludek Barton Petr Homolka Ivana Knizkova Veronika Koukolova Petra Kubelkova Petr Kunc Yvona Tyrolova Alena Vyborna |
| author_facet | Radko Loucka Filip Jancik Junichi Takahashi Vaclav Jambor Ludek Barton Petr Homolka Ivana Knizkova Veronika Koukolova Petra Kubelkova Petr Kunc Yvona Tyrolova Alena Vyborna |
| author_sort | Radko Loucka |
| collection | DOAJ |
| description | The aim of this study was to confirm the hypothesis that artificial brushes administered to the rumen can partially replace the function of structural fibre, and increase milk production or quality. To mitigate the risks of feeding low levels of physically effective neutral detergent fibre (peNDF) to cattle, the administration of ruminal mechanical stimulating (RMS) brushes was examined in 22 high-yielding lactating Holstein dairy cows. The cows were divided into an experimental group equipped with RMS brushes and a control group without RMS. Cows were fed four experimental total mixed rations (TMR) consisting of fixed amounts of alfalfa silage, maize silage, rush corn cob mix silage and different proportions of brewer's grains, concentrate and wheat straw. The TMRs had the following 4 peNDF contents: 10.9%. 13.0%, 12.6% and 14.0%. The duration of the experiment was 18 weeks. All cows were fed TMRs with a low structural fibre content near levels associated with a risk of subacute ruminal acidosis (SARA). For the RMS brush group, 3 RMS brushes were inserted orally into the rumen using a special applicator. The effects of RMS brushes on feed intake, rumen fermentation and milk production were evaluated. Ruminal fluid (250 mL) was taken using a stomach tube for pH, volatile fatty acids and ammonia nitrogen analysis. A significant increase was found for the feed intake and milk yield of the RMS group fed the TMRs with 13.0% peNDF although no relationship between peNDF content and RMS TMRs was found. No significant increase in milk quality, rumen pH or rumen fermentation metabolites was declared for the group with RMS brushes. Although RMS brush technology only partially reduced the requirements for peNDF, it may decrease the risk of SARA. |
| format | Article |
| id | doaj-art-ea5ac819e5ad4af39994d8a4fd8ce2fe |
| institution | OA Journals |
| issn | 0026-704X 1846-4025 |
| language | English |
| publishDate | 2021-01-01 |
| publisher | Croatian Dairy Union |
| record_format | Article |
| series | Mljekarstvo |
| spelling | doaj-art-ea5ac819e5ad4af39994d8a4fd8ce2fe2025-08-20T02:21:54ZengCroatian Dairy UnionMljekarstvo0026-704X1846-40252021-01-0171213214010.15567/mljekarstvo.2021.0206Effect of ruminal mechanical stimulating brushes on the performance of lactating Holstein dairy cowsRadko Loucka0Filip Jancik1Junichi Takahashi2Vaclav Jambor3Ludek Barton4Petr Homolka5Ivana Knizkova6Veronika Koukolova7Petra Kubelkova8Petr Kunc9Yvona Tyrolova10Alena Vyborna11Institute of Animal Science, 815, 104 00 Prague - Uhrineves, Czech RepublicInstitute of Animal Science, 815, 104 00 Prague - Uhrineves, Czech RepublicObihiro University of Agriculture and Veterinary Medicine, Inada-cho, Obihiro, Hokkaido 080-8555, JapanNutriVet s.r.o., Videnska 1023, 691 23 Pohorelice, Czech RepublicInstitute of Animal Science, 815, 104 00 Prague - Uhrineves, Czech RepublicCzech University of Life Sciences Prague, Faculty of Agrobiology, Food and Natural Resources, Dpt. of Microbiology, Nutrition and Dietetics, Kamycka 129, 165 00 Prague 6 - Suchdol, Czech RepublicInstitute of Animal Science, 815, 104 00 Prague - Uhrineves, Czech RepublicInstitute of Animal Science, 815, 104 00 Prague - Uhrineves, Czech RepublicInstitute of Animal Science, 815, 104 00 Prague - Uhrineves, Czech RepublicInstitute of Animal Science, 815, 104 00 Prague - Uhrineves, Czech RepublicInstitute of Animal Science, 815, 104 00 Prague - Uhrineves, Czech RepublicInstitute of Animal Science, 815, 104 00 Prague - Uhrineves, Czech RepublicThe aim of this study was to confirm the hypothesis that artificial brushes administered to the rumen can partially replace the function of structural fibre, and increase milk production or quality. To mitigate the risks of feeding low levels of physically effective neutral detergent fibre (peNDF) to cattle, the administration of ruminal mechanical stimulating (RMS) brushes was examined in 22 high-yielding lactating Holstein dairy cows. The cows were divided into an experimental group equipped with RMS brushes and a control group without RMS. Cows were fed four experimental total mixed rations (TMR) consisting of fixed amounts of alfalfa silage, maize silage, rush corn cob mix silage and different proportions of brewer's grains, concentrate and wheat straw. The TMRs had the following 4 peNDF contents: 10.9%. 13.0%, 12.6% and 14.0%. The duration of the experiment was 18 weeks. All cows were fed TMRs with a low structural fibre content near levels associated with a risk of subacute ruminal acidosis (SARA). For the RMS brush group, 3 RMS brushes were inserted orally into the rumen using a special applicator. The effects of RMS brushes on feed intake, rumen fermentation and milk production were evaluated. Ruminal fluid (250 mL) was taken using a stomach tube for pH, volatile fatty acids and ammonia nitrogen analysis. A significant increase was found for the feed intake and milk yield of the RMS group fed the TMRs with 13.0% peNDF although no relationship between peNDF content and RMS TMRs was found. No significant increase in milk quality, rumen pH or rumen fermentation metabolites was declared for the group with RMS brushes. Although RMS brush technology only partially reduced the requirements for peNDF, it may decrease the risk of SARA.https://hrcak.srce.hr/file/393980rumen functionruminant nutritionruminal mechanical stimulating brushesmilk qualitymilk yield |
| spellingShingle | Radko Loucka Filip Jancik Junichi Takahashi Vaclav Jambor Ludek Barton Petr Homolka Ivana Knizkova Veronika Koukolova Petra Kubelkova Petr Kunc Yvona Tyrolova Alena Vyborna Effect of ruminal mechanical stimulating brushes on the performance of lactating Holstein dairy cows Mljekarstvo rumen function ruminant nutrition ruminal mechanical stimulating brushes milk quality milk yield |
| title | Effect of ruminal mechanical stimulating brushes on the performance of lactating Holstein dairy cows |
| title_full | Effect of ruminal mechanical stimulating brushes on the performance of lactating Holstein dairy cows |
| title_fullStr | Effect of ruminal mechanical stimulating brushes on the performance of lactating Holstein dairy cows |
| title_full_unstemmed | Effect of ruminal mechanical stimulating brushes on the performance of lactating Holstein dairy cows |
| title_short | Effect of ruminal mechanical stimulating brushes on the performance of lactating Holstein dairy cows |
| title_sort | effect of ruminal mechanical stimulating brushes on the performance of lactating holstein dairy cows |
| topic | rumen function ruminant nutrition ruminal mechanical stimulating brushes milk quality milk yield |
| url | https://hrcak.srce.hr/file/393980 |
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