prikaz prve stranice dokumenta Variability of milk urea, milk urea nitrogen, and ammonia emission from dairy Simmental and Holstein cows based on the milk recording month
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Scientific paper - Original scientific paper
Variability of milk urea, milk urea nitrogen, and ammonia emission from dairy Simmental and Holstein cows based on the milk recording month
Agro-knowledge Journal, 22 (2021), 2; 27-35. https://doi.org/10.7251/AGREN2202027G
Gavran, Mirna; Bešlo, Drago; Gregić, Maja; Šinko, D.; Steiner, Zvonimir; Gantner, Vesna

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Gavran, M., Bešlo, D., Gregić, M., Šinko, D., Steiner, Z. & Gantner, V. (2021). Variability of milk urea, milk urea nitrogen, and ammonia emission from dairy Simmental and Holstein cows based on the milk recording month. Agro-knowledge Journal, 22. (2), 27-35. doi: 10.7251/AGREN2202027G

Gavran, Mirna, et al. "Variability of milk urea, milk urea nitrogen, and ammonia emission from dairy Simmental and Holstein cows based on the milk recording month." Agro-knowledge Journal, vol. 22, no. 2, 2021, pp. 27-35. https://doi.org/10.7251/AGREN2202027G

Gavran, Mirna, Drago Bešlo, Maja Gregić, D. Šinko, Zvonimir Steiner and Vesna Gantner. "Variability of milk urea, milk urea nitrogen, and ammonia emission from dairy Simmental and Holstein cows based on the milk recording month." Agro-knowledge Journal 22, no. 2 (2021): 27-35. https://doi.org/10.7251/AGREN2202027G

Gavran, M., et al. (2021) 'Variability of milk urea, milk urea nitrogen, and ammonia emission from dairy Simmental and Holstein cows based on the milk recording month', Agro-knowledge Journal, 22(2), pp. 27-35. doi: 10.7251/AGREN2202027G

Gavran M, Bešlo D, Gregić M, Šinko D, Steiner Z, Gantner V. Variability of milk urea, milk urea nitrogen, and ammonia emission from dairy Simmental and Holstein cows based on the milk recording month. Agro-knowledge Journal [Internet]. 2021 April 01 [cited 2025 March 14];22(2):27-35. doi: 10.7251/AGREN2202027G

M. Gavran, D. Bešlo, M. Gregić, D. Šinko, Z. Steiner and V. Gantner, "Variability of milk urea, milk urea nitrogen, and ammonia emission from dairy Simmental and Holstein cows based on the milk recording month", Agro-knowledge Journal, vol. 22, no. 2, pp. 27-35, April 2021. [Online]. Available at: https://urn.nsk.hr/urn:nbn:hr:151:807020. [Accessed: 14 March 2025]

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Metadata
Title (english)Variability of milk urea, milk urea nitrogen, and ammonia emission from dairy Simmental and Holstein cows based on the milk recording month
AuthorMirna Gavran
AuthorDrago Bešlo
AuthorMaja Gregić
AuthorD. Šinko
AuthorZvonimir Steiner
AuthorVesna Gantner
Author's institutionJosip Juraj Strossmayer University of Osijek
Faculty of Agrobiotechnical Sciences Osijek
(Department of Animal Production and Biotechnology)
Scientific / art field,
discipline and subdiscipline		BIOTECHNICAL SCIENCES
Agronomy
Animal Husbandry
Abstract (english)
The subject of this paper was to define the variability of milk urea, milk urea nitrogen, and ammonia emission from dairy Simmental and Holstein cows relating to months of milk recording through the precision farming methodology. Test-day records of dairy cows used in the statistical analysis were collected over five years. Regarding the parity, the animals were divided into four classes; regarding the recording date, test-day records were divided into twelve recording months, from ... More January to December. The analysis was performed separately for each breed. The significance of the differences between the recording months was tested by the Scheffe’s method of multiple comparisons (using the PROC GLM procedure in SAS). In terms of results, lower ammonia emission per cow was determined in the winter, while the ammonia emission was higher in the summer. Also, higher values of milk urea, milk urea nitrogen, as well as higher ammonia emission per animal, were determined in the Holstein than in Simmental cows. Less
Keywords (english)
Languageenglish
Publication typeScientific paper - Original scientific paper
Publication statusPublished
Peer reviewPeer review - domestic
Publication versionPublished version
Journal titleAgro-knowledge Journal
Numberingvol. 22, no. 2, pp. 27-35
e-ISSN2233-0070
DOIhttps://doi.org/10.7251/AGREN2202027G
URN:NBNurn:nbn:hr:151:807020
Online first2021-04-01
Type of resourceText
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2024-06-27 09:14:03
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