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Efficacy of Grass and Concentrate Ratio on Milk Urea Nitrogen, Progesterone, and Pregnancy Status in Friesian Holstein

Jurnal Medik Veteriner · Vol. 5 No. 2 (2022) · hlm. 207–212

DOI
10.20473/jmv.vol5.iss2.2022.207-212
ISSN
2581-012X, 2615-7497
Terbit
2022-10-23
Penerbit
Universitas Airlangga
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc-sa/4.0

Abstrak

This study was conducted to know the influence of grass to concentrate ratio to milk urea nitrogen (MUN) level, progesterone level and pregnancy status in Friesian Holstein. A total of 18 dairy cows were randomly selected from the population. The cows were grouped based on feed and MUN and pregnancy. Milk sample collection was carried out once on the seventh day after estrus (D7) and tested with the Barthelot method for measuring urea nitrogen levels. Blood samples were taken three times, on the day of estrus (D0), seven days after estrus (D7), and twenty-two days after estrus (D22), and were tested using Immuno-Sorbent Assay (ELISA). Pregnancy examination was carried out at D90 after artificial insemination through rectal palpation. Based on the analysis, grass to concentrate ratio, progesterone level and MUN level showed no significant difference (p>0.05) but it showed significantly different on milk yield (p<0,05). Based on pregnancy status, progesterone level at D22 showed significantly different whereas at D0 and D7 showed insignificantly different. MUN level and grass to concentrate level also showed significantly different. It can be concluded that the ratio of grass and concentrate did not increase MUN level, progesterone level and pregnancy rate.

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  • Universitas Airlangga
  • National Research and Innovation Agency
  • Universitas Perjuangan Tasikmalaya
  • Yamaguchi University
  • Universitas Syiah Kuala
  • STIKES Bahrul Ulum Jombang
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Rekan penulisOrganisasiArtikel bersama
Pudji SriantoUniversitas Airlangga11
Tri Wahyu SuprayogiUniversitas Airlangga11
Tatik HernawatiUniversitas Airlangga10
Suherni SusilowatiUniversitas Airlangga9
Ragil Angga PrastiyaUniversitas Airlangga7
Tita Damayanti LestariUniversitas Airlangga7
Amung Logam SaputroUniversitas Airlangga5
Mirni LamidUniversitas Airlangga5
Budi UtomoUniversitas Airlangga5
Mutasem AbuzahraUniversitas Airlangga4
Bodhi AgustonoUniversitas Airlangga4
Seagames WaluyoAfiliasi tidak diketahui4
Heni PuspitasariUniversitas Airlangga4
Epy Muhammad LuqmanUniversitas Airlangga4
Dicky Mohammad DikmanUniversitas Airlangga4
Trilas SardjitoUniversitas Airlangga3
Maya Nurwartanti YunitaUniversitas Airlangga3
Chairul Anwar NidomUniversitas Airlangga3
Sri HidanahUniversitas Airlangga3
Widjiati WidjiatiUniversitas Airlangga3
Siti Rani AyutiUniversitas Syiah Kuala3
Aswin Rafif KhairullahNational Research and Innovation Agency3
Riza Zainuddin AhmadNational Research and Innovation Agency3
Prima Ayu WibawatiUniversitas Airlangga3
Widya Paramita LokapirnasariUniversitas Airlangga3
Wurlina WurlinaUniversitas Airlangga3
Dwi WijayantiUniversitas Perjuangan Tasikmalaya2
Mustofa Helmi EffendiUniversitas Airlangga2
Loay Abu EidYamaguchi University2
Aditya YudhanaUniversitas Airlangga2
Ratih Novita PrajaUniversitas Airlangga2
Tjuk Imam RestiadiUniversitas Airlangga2
Hariyono HariyonoUniversitas Airlangga1
Leo Yosdimyati RomliSTIKES Bahrul Ulum Jombang1

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Sumber metadata: OAI-PMH (metadata jurnal) https://e-journal.unair.ac.id/JMV/oai, pertama di-harvest 9 Nov 2026, terakhir terlihat 9 Nov 2026.
Metadata asli (oai_dc) 
<oai_dc:dc xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/  http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
	<dc:title xml:lang="en-US">Efficacy of Grass and Concentrate Ratio on Milk Urea Nitrogen, Progesterone, and Pregnancy Status in Friesian Holstein</dc:title>
	<dc:creator>Hardaningtyas, Enggar</dc:creator>
	<dc:creator>Mustofa, Imam</dc:creator>
	<dc:creator>Madyawati, Sri Pantja</dc:creator>
	<dc:creator>Rimayanti, Rimayanti</dc:creator>
	<dc:creator>Safitri, Erma</dc:creator>
	<dc:creator>Hermadi, Herry Agoes</dc:creator>
	<dc:subject xml:lang="en-US">grass</dc:subject>
	<dc:subject xml:lang="en-US">concentrate</dc:subject>
	<dc:subject xml:lang="en-US">milk urea nitrogen</dc:subject>
	<dc:subject xml:lang="en-US">progesterone</dc:subject>
	<dc:subject xml:lang="en-US">Friesian Holstein</dc:subject>
	<dc:description xml:lang="en-US">This study was conducted to know the influence of grass to concentrate ratio to milk urea nitrogen (MUN) level, progesterone level and pregnancy status in Friesian Holstein. A total of 18 dairy cows were randomly selected from the population. The cows were grouped based on feed and MUN and pregnancy. Milk sample collection was carried out once on the seventh day after estrus (D7) and tested with the Barthelot method for measuring urea nitrogen levels. Blood samples were taken three times, on the day of estrus (D0), seven days after estrus (D7), and twenty-two days after estrus (D22), and were tested using Immuno-Sorbent Assay (ELISA). Pregnancy examination was carried out at D90 after artificial insemination through rectal palpation. Based on the analysis, grass to concentrate ratio, progesterone level and MUN level showed no significant difference (p&amp;gt;0.05) but it showed significantly different on milk yield (p&amp;lt;0,05). Based on pregnancy status, progesterone level at D22 showed significantly different whereas at D0 and D7 showed insignificantly different. MUN level and grass to concentrate level also showed significantly different. It can be concluded that the ratio of grass and concentrate did not increase MUN level, progesterone level and pregnancy rate.</dc:description>
	<dc:publisher xml:lang="en-US">Universitas Airlangga</dc:publisher>
	<dc:date>2022-10-23</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://e-journal.unair.ac.id/JMV/article/view/25134</dc:identifier>
	<dc:identifier>10.20473/jmv.vol5.iss2.2022.207-212</dc:identifier>
	<dc:source xml:lang="en-US">Jurnal Medik Veteriner; Vol. 5 No. 2 (2022): October; 207-212</dc:source>
	<dc:source>2581-012X</dc:source>
	<dc:source>2615-7497</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://e-journal.unair.ac.id/JMV/article/view/25134/22720</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2022 Enggar Hardaningtyas, Imam Mustofa, Sri Pantja Madyawati, Rimayanti Rimayanti, Herry Agoes Hermadi, Erma - Safitri</dc:rights>
	<dc:rights xml:lang="en-US">http://creativecommons.org/licenses/by-nc-sa/4.0</dc:rights>
</oai_dc:dc>