Effects of the Lactation Period, Breed and Feed on Amino Acids Profile of mare’s Milk

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dc.contributor.authorFišera, Miroslavcs
dc.contributor.authorKráčmar, Stanislavcs
dc.contributor.authorŠustová, Květoslavacs
dc.contributor.authorTvrzník, Pavelcs
dc.contributor.authorVelichová, Helenacs
dc.contributor.authorFišerová, Lenkacs
dc.contributor.authorKubáň, Vlastimilcs
dc.coverage.issue1cs
dc.coverage.volume14cs
dc.date.issued2020-07-28cs
dc.description.abstractThe effects of the lactation period, breed, and feed on amino acids profile of mare's milk were investigated. The feed contained two major essential amino acids (EAAs) leucine (7.31-10.3 g. kg-1) and arginine (6.37-9.59 g. kg-1); it also included minor EAAs methionine (2.11-3.05 g. kg-1) and histidine (2.48-3.60 g. kg-1). Glu+Gln, Asp+Asn, and proline, major nonessential amino acids (NEAAs), constituted approximately 60% of total NEAAs (TNEAAs). The ratio of total EAAs to NEAAs ranged from 1:1.2 to 1:1.4. Amino acids (AA) content throughout all milk samples varied due to mare's different conditions and lactation days. Except for the 1P milk sample, total AA content in the 2-8Ps specimens caused by differences in breed oscillated from the 2nd to 28th day of lactation within the following limits: 21.9-54.6 g. kg-1, 33.6-70.7 g. kg-1, 38.1-71.2 g. kg-1, 29.46-74.2 g. kg-1, 52.2-87.1 g. kg-1, 37.9-70.3 g. kg-1 and 26.4-64.5 g. kg-1, respectively. In relation to TEAAs in milk, the highest EAAs levels were reached in arginine, leucine and lysine ranging between 2.41-4.35 g. kg-1, 3.36-5.59 g. kg-1 and 2.72-4.80 g. kg-1, respectively, while the lowest AAs amounts were indicated in histidine and methionine, 0.91-1.58 g. kg-1 and 1.23-2.04 g. kg-1 respectively. Total NEAAs content was slightly higher than that of EAAs; the TNEAAs to TEAAs ratio was 1:0.9 proximately. Glu+Gln, Asp+Asn and proline were determined as major NEAAs of milk ranging between, 6.77-11.0 g. kg-1, 3.21-5.60 g. kg-1 and 1.25-2.18 g. kg-1, respectively; levels of NEAAs such as cysteine and glycine oscillated between 0.89-1.52 g. kg-1 and 0.64-1.15 g. kg-1, respectively. The average TAAs contents caused by breed differences were 62.8 g. kg-1, 42.8 g. kg-1, 44.7 g. kg-1 and 44.8 g. kg-1, respectively, on the 2nd, 5th, 10th, and 28th lactation days.en
dc.description.abstractČlánek se zabývá vlivem složek krmiva na kvalitu mléka klisencs
dc.formattextcs
dc.format.extent562-572cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationPotravinárstvo. 2020, vol. 14, issue 1, p. 562-572.en
dc.identifier.doi10.5219/1344cs
dc.identifier.issn1338-0230cs
dc.identifier.orcid0000-0003-1244-3872cs
dc.identifier.other169668cs
dc.identifier.urihttp://hdl.handle.net/11012/196366
dc.language.isoencs
dc.publisherHACCP Consultingcs
dc.relation.ispartofPotravinárstvocs
dc.relation.urihttps://potravinarstvo.com/journal1/index.php/potravinarstvo/article/view/1344cs
dc.rightsCreative Commons Attribution 3.0 Unportedcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1338-0230/cs
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/cs
dc.subjectmare’s milken
dc.subjectamino acidsen
dc.subjectmineralsen
dc.subjectlactationen
dc.subjectfeeden
dc.subjectbreeden
dc.titleEffects of the Lactation Period, Breed and Feed on Amino Acids Profile of mare’s Milken
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-169668en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:38:07en
sync.item.modts2025.01.17 15:29:27en
thesis.grantorVysoké učení technické v Brně. Fakulta chemická. Ústav chemie a technologie ochrany životního prostředícs
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