<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The aim of the study was to compare the effect of feeding a hybrid rye grain in rations for dairy cows during the first 100 days of lactation on body condition, milk yield and milk composition. Feeding cows with concentrates containing in its composition 25% or 40% of the ground hybrid rye did not decrease the intake of concentrate or PMR rations as compared to the control group. The introduction of 25% or 40% of the rye hybrid variety Visello to the concentrates did not reduce the milk yield of the cows during the first 100 days of lactation. No significant differences in the chemical composition of the milk were observed. The cows fed rye maintained their weight and body condition during the first 100 days of lactation at the same level. The addition of hybrid rye grains in the amount of 25% to concentrate had no significant effect on the fatty acid profile of the milk whereas 40% of rye improved fatty acids composition by decreasing C18:0 and increasing C18:1 n-9 in the milk.</p></abstract>

The aim of the study was to compare the effect of feeding a hybrid rye grain in rations for dairy cows during the first 100 days of lactation on body condition, milk yield and milk composition. Feeding cows with concentrates containing in its composition 25% or 40% of the ground hybrid rye did not decrease the intake of concentrate or PMR rations as compared to the control group. The introduction of 25% or 40% of the rye hybrid variety Visello to the concentrates did not reduce the milk yield of the cows during the first 100 days of lactation. No significant differences in the chemical composition of the milk were observed. The cows fed rye maintained their weight and body condition during the first 100 days of lactation at the same level. The addition of hybrid rye grains in the amount of 25% to concentrate had no significant effect on the fatty acid profile of the milk whereas 40% of rye improved fatty acids composition by decreasing C18:0 and increasing C18:1 n-9 in the milk.

Evaluation of the Usefulness of Hybrid Rye in Feeding Polish Holstein-Friesian Dairy Cows in Early Lactation

Department of Animal Nutrition and Feed Science, National Research Institute of Animal Production, 32-083 Balice n. Kraków, Poland

Experimental Station, National Research Institute of Animal Production, Mielżyńskich 14, 64-122 Pawłowice, Poland

KWS Lochow Polska Ltd., Kondratowice, Słowiańska 5, 57-150 Prusy, Poland

Department of Horse Breeding, Agricultural University, Al. Mickiewicza 24/28, 30-059 Kraków, Poland

Annals of Animal Science

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The aim of the study was to compare the effect of feeding a hybrid rye grain in rations for dairy cows during the first 100 days of lactation on body...

Evaluation of the Usefulness of Hybrid Rye in Feeding Polish Holstein-Friesian Dairy Cows in Early Lactation

Article Category: Animal Nutrition, and Feedstuffs

Published Online: Oct 29, 2015

Page range: 929 - 943

Received: Jun 03, 2014

Accepted: May 14, 2015

DOI: https://doi.org/10.1515/aoas-2015-0038

Keywords
rye hybrid, dairy cows, milk yield, milk composition

© by Marek Pieszka

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Evaluation of the Usefulness of Hybrid Rye in Feeding Polish Holstein-Friesian Dairy Cows in Early Lactation

Article Category: Animal Nutrition, and Feedstuffs

Published Online: Oct 29, 2015

Page range: 929 - 943

Received: Jun 03, 2014

Accepted: May 14, 2015

DOI: https://doi.org/10.1515/aoas-2015-0038

Keywordsrye hybrid, dairy cows, milk yield, milk composition

© by Marek Pieszka

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
rye hybrid, dairy cows, milk yield, milk composition