[Ionized calcium and total calcium in the blood of cattle, sheep, swine and horses of different ages, reproductive stages and uses].
Abstract: Concentrations of ionized calcium (Cai) in blood and of total calcium (Ca(t)) in serum were determined in 99 cattle, 58 sheep, 74 pigs and 59 horses of different age groups and reproductive periods as well as kinds of use of the animals. The values of Cai in blood in the groups taken into account for comparison of species decreased significantly in the order dairy cows < ewes < sows < horses. In cattle and pigs, there were significant differences in the Cai-level, according to age with the youngest animals having the highest values. In cows from the fourth lactation onward, one day post partum (p.p.) the smallest concentrations were measured, differing significantly from animals in other reproductive periods. In ewes, the lowest values were estimated one week before parturition. The level of Cai in blood of sows decreased between day one and 6 weeks p.p. significantly. No significant differences could be demonstrated between the different groups of horses. With regard to the concentrations of total Ca, differences between the groups were not so clear as with Cai.
Publication Date: 1992-10-01 PubMed ID: 1463435
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- English Abstract
- Journal Article
Summary
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This study explores the levels of ionized calcium (Cai) in blood and total calcium (Ca(t)) in the serum of different animals including cattle, sheep, pigs, and horses. The research analyzes how these levels differ between various age groups, reproductive periods, and uses of the animals.
Objectives of the Research
- The primary aim of the study was to determine the concentrations of ionized and total calcium in the blood and serum of different animals, specifically cattle, sheep, swine, and horses.
- The researchers also sought to understand how these concentrations differ between animals of different age groups, reproductive periods, and uses.
Methodology and Findings
- Measurements were conducted on 99 cattle, 58 sheep, 74 pigs and 59 horses of various age groups and reproductive stages, as well as different uses.
- The study found that ionized calcium levels varied significantly across different animal species, decreasing in the order dairy cows > ewes > sows > horses.
- In cattle and pigs, significant differences in ionized calcium levels were observed depending on age. Specifically, the youngest animals had the highest values.
Results related to Reproductive Stages
- In cows, the smallest concentrations of ionized calcium were measured one day post-partum (after giving birth) which differed significantly from animals in other reproductive periods.
- For sheep, the lowest values were estimated one week before parturition (giving birth).
- The level of ionized calcium in the blood of sows decreased significantly between day one and six weeks post-partum.
- In horses, no significant differences could be observed between different groups.
Analysis of Total Calcium Concentrations
- The findings regarding the concentrations of total calcium in the serum (Ca(t)) were less distinct than those of ionized calcium.
- Nevertheless, the study found that total calcium concentrations varied less noticeably across different groups.
Cite This Article
APA
Zepperitz H, Gürtler H.
(1992).
[Ionized calcium and total calcium in the blood of cattle, sheep, swine and horses of different ages, reproductive stages and uses].
Berl Munch Tierarztl Wochenschr, 105(10), 328-332.
Publication
Researcher Affiliations
- Veterinär-Physiologisch-Chemischen Institut, Veterinärmedizinischen Fakultät, Universität Leipzig.
MeSH Terms
- Animals
- Calcium / blood
- Cattle / blood
- Female
- Horses / blood
- Male
- Pregnancy
- Sheep / blood
- Swine / blood
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