Goilean GV, Cristina RT, Doma AO, Dumitrescu E, Folescu M, Muselin F.

Animal Husbandry and Fodder Production. 2024. Vol. 107, no 4. Р. 177-183

Original article

doi:10.33284/2658-3135-107-4-177

Milk trace minerals content in dairy cows supplemented with glycine chelated minerals

George V Goilean¹, Romeo T Cristina², Alexandru O Doma³, Eugenia Dumitrescu⁴, Mihai Folescu⁵, Florin Muselin^6,7

^1,2,3,4,5,6 University of Life Sciences “King Michel I of Romania” from Timisoara, Timisoara, Romania

⁷Working Group for Xenobiochemistry, Romanian Academy-Branch Timisoara, Timisoara, Romania

²https://orcid.org/0000-0002-5420-1516

³https://orcid.org/0000-0001-5252-6969

^6,7floin.muselin@gmail.com, https://orcid.org/0000-0003-2907-4233

The paper presents data regarding the impact of some trace mineral supplementation on milk minerals content of glycine chelated mineral supplemented dairy cows. The study was made on thirty Holstein multiparous dairy cows,  aging arround 62 ± 4.5 months that were divided randomly in two groups: C – Control receiving normal diet without glycine mineral supplementation and one experimental group (E) that received supplement of glycine chelated Cu, Zn, Mn and Fe as follows: 15 mg/kg Cu, 20 mg/kg Mn,      60 mg/kg Zn and, 100 mg/kg Fe, added in concentrate feed. The experiment was designed from day 30 of lactation until day 100 of lactation, and were assesed the milk levels of zinc (Zn), selenium (Se), iron (Fe), manganese (Mn) and copper (Cu). In the experimental group we observed significant (P≤0.05) increase of milk concentration of Se, Mn and Cu at day 65 of lactation and highly significant (P≤0.01) increase of Zn, Se, Mn and Cu in the day 100 of lactation. The Fe content was increased in all period of study, but the increase was not statisticaly significant (P≥0,05). We conclude that supplementing the dairy cows whit chelated minerals will be followed by a increase of milk mineral content that could be beneficial for health.

Keywords: milk minerals, dairy cows, supplements, minerals, trace elements

For citation: Goilean GV, Cristina RT, Doma AO, Dumitrescu E, Folescu M, Muselin F. Milk trace minerals content in dairy cows supplemented with glycine chelated minerals. Animal Husbandry and Fodder Production. 2024;107(4):177-183. (In Russ.). https://doi.org/10.33284/2658-3135-107-4-177

Information about the authors:

George Vlad Goilean, PhD student, Department of Toxicology, Faculty of Veterinary Medicine, University of Life Sciences “King Michel I of Romania” from Timisoara, 300645, Timisoara, Romania, Calea Aradului 119.

Romeo Teodor Cristina, PhD, DVM, Professor, Head of Department of Toxicology, Faculty of Veterinary Medicine, University of Life Sciences “King Michel I of Romania” from Timisoara, 300645, Timisoara, Romania, Calea Aradului 119.

Alexandru Octavian Doma, PhD, DVM, Assistant Professor, Faculty of Veterinary Medicine, University of Life Sciences “King Michel I of Romania” from Timisoara, 300645, Timisoara, Romania, Calea Aradului 119.

Eugenia Dumitrescu, PhD, DVM, Associate Professor, Departments of Pharmacology and Pharmacy, Faculty of Veterinary Medicine, University of Life Sciences “King Michel I of Romania” from Timisoara, 300645, Timisoara, Romania, Calea Aradului 119.

Mihai Folescu, PhD student, Departments of Pharmacology and Pharmacy, Faculty of Veterinary Medicine, University of Life Sciences “King Michel I of Romania” from Timisoara, 300645, Timisoara, Romania, Calea Aradului 119.

Florin Muselin, PhD, DVM, MS, Associate Professor, Department of Toxicology, Faculty of Veterinary Medicine, University of Life Sciences “King Michel I of Romania” from Timisoara, 300645, Timisoara, Romania, Calea Aradului 119; Romanian Academy-Branch Timisoara, 300223, Timişoara, România, Bv. Mihai Viteazu 24.

The article was submitted 16.09.2024; approved after reviewing 23.09.2024; accepted for publication 16.12.2024.