The Effect of the Timing of Harvesting the First Regrowth of the Swardon Relative Feed Value

• Autorzy: Stopa Wojciech , Wróbel Barbara , Paszkiewicz-Jasińska Anna , Zielewicz Waldemar

Identyfikatory

DOI

10.53502/JRGN9663

• Języki publikacji: EN

Abstrakty

EN

The timing of harvesting the first regrowth affects the quantity and quality of the harvested forage, induding fibre content Plant fibre is the building block of cell walls, ils components are cellulose, hemicellulose, lignin, undecomposed protein, pectin, water and ash. Its properties are intluenced by factors such as meteorological condilions in a given season, soil conditions and ferlilizalion, as well as the developmentał stage of the plants at the time of harvest. This paper presents the results of a three-year (2014-2016) study conducted on a three-cut permanent hay-meadow located on mineral soil. Mineral fertilization was carried out annually at the following rates: 60 kg·ha-1 N, 30 kg-ha-1 P and 60 kg-ha-1 K. Biomass sampies for testing were taken each year on five dates: April 28-30, May 5-7, May 11-14, May 18-21 and May 24-28. The content of ADF (acid detergent fibre), NDF (neutral detergent fibre), ADL (acid detergent lignin) was determined in the collected plant samples. Next, the effect of the dale of harvesting the first regrowth of the swardon the degree of lignification, dry matter digestibility (DDM), theoretical dry matter intake (DMI) and the relative feed value of the forage expressed by the RFV index was evaluated. The study found an effecel of the timing of harvesting the first regrowth of the sward on the parameters studied. The fibre fraction contents of NDF, ADF and ADL increased each year with the following dates, having an effect on reducing the relative feed value of plants.

Słowa kluczowe

EN

ADF; NDF; ADL; dry matter digestibility; dry matter intake; lignification

• Wydawca: Sieć Badawcza Łukasiewicz - Poznański Instytut Technologiczny
• Czasopismo: Journal of Research and Applications in Agricultural Engineering
• Rocznik: 2022
• Tom: Vol. 67, nr 2
• Strony: 39--44
• Opis fizyczny: Bibliogr. 20 poz., tab.

Twórcy

autor

Stopa Wojciech

• Institute of Technology and Life Sciences-National Research Institute, Falenty, Raszyn, Poland

• https://orcid.org/0000-0002-7477-387X

autor

Wróbel Barbara

• Institute of Technology and Life Sciences-National Research Institute, Falenty, Raszyn, Poland

• https://orcid.org/0000-0003-4713-5968

autor

Paszkiewicz-Jasińska Anna

• Institute of Technology and Life Sciences-National Research Institute, Falenty, Raszyn, Poland

• https://orcid.org/0000-0002-0650-3093

autor

Zielewicz Waldemar

• Poznań University of Life Sciences, Department of Grassland and Natural Landscape Sciences, Poznań, Poland

• https://orcid.org/0000-0003-3663-8826

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)