Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(1), 45-48 | DOI: 10.11118/actaun201260010045
Content changes of selected mineral nutrients in mare's colostrums in the first 72 hours after foaling
- 1 Katedra výživy zvierat, Slovenská poľnohospodárska univerzita v Nitre, Tr. Andreja Hlinku 2, 949 76 Nitra, Slovenská republika
- 2 Ústav technologie a mikrobiologie potravin, Univerzita Tomáše Bati ve Zlíně, nám. T. G. Masaryka 275, 762 72 Zlín, Česká republika
- 3 Ústav chovu a šlechtění zvířat, Mendelova univerzita v Brně, Zemědělská 1, 613 00 Brno, Česká republika
- 4 Ústav analýzy a chemie potravin, Univerzita Tomáše Bati ve Zlíně, nám. T. G. Masaryka 275, 762 72 Zlín, Česká republika
The aim of this study was to monitor levels of minerals in mare's colostrum in the first 3 days after foaling. Colostrum samples from four warm-blood mares (in three repetitions) were analysed 2, 12, 24, 36, 48 and 72 hours postpartum. The samples were obtained by hand milking. Calcium (Ca), phosphorus (P), magnesium (Mg), sodium (Na), potassium (K), zinc (Zn), copper (Cu), iron (Fe) and manganese (Mn) contents were analysed in each sample. Non-significant decrease of postpartum Ca and Na contents was found in the analysed samples. Significant differences (P < 0.05) in P content were detected between 2 and 36 hours postpartum. Content of Mg showed statistically significant differences (P < 0.05) during the period after foaling (2, 24, 36, 48 and 72 hours post foaling). Mg concentration reached its maximum (21.8 g.kg-1 of dry matter) 2 hours postpartum and it dropped to its lowest level (5.27 g.kg-1 of dry matter) 48 hours after foaling. Similarly, the highest K content (significant in relation to values obtained 36, 48 and 72 hours postpartum) was detected 2 hours after foaling while the lowest K level (37.96 g.kg-1 of dry matter) was found 48 hours postpartum. As regards the microelements, Cu showed insignificant differences in its postpartum levels (P > 0.05). Besides growth of Fe levels, decrease of Zn and Mn (P > 0.05) was also observed.
Keywords: horses, nutrition, macroelements, lactation, differences
Grants and funding:
This study was supported by the Grant agency of Slovak Ministry of Education, Science, Research and Sport and Slovak Academy of Science No. 1/0662/11 and No. MSM 7088352101 which are financed by the Ministry of Education, Youth and Sports of the Czech Republic.
Received: December 19, 2011; Prepublished online: October 5, 2013; Published: October 9, 2013 Show citation
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