[Blood serum parathydroid hormone level in cattle of different age, physiological status and different feeding patterns]

Bandzaite, V.. Inst. of Veterinary. Dept. of Animal Welfare and Epidemiology; Klimiene, I.. Inst. of Veterinary. Dept. of Animal Welfare and Epidemiology; Spakauskas, V.. Inst. of Veterinary. Dept. of Animal Welfare and Epidemiology; Snarskyte, A.. Inst. of Veterinary. Dept. of Animal Welfare and Epidemiology

[Blood serum parathydroid hormone level in cattle of different age, physiological status and different feeding patterns]

2004

Bandzaite, V.(Lithuanian Veterinary Academy, Kaisiadorys (Lithuania). Inst. of Veterinary. Dept. of Animal Welfare and Epidemiology) | Klimiene, I.(Lithuanian Veterinary Academy, Kaisiadorys (Lithuania). Inst. of Veterinary. Dept. of Animal Welfare and Epidemiology) | Spakauskas, V.(Lithuanian Veterinary Academy, Kaisiadorys (Lithuania). Inst. of Veterinary. Dept. of Animal Welfare and Epidemiology) | Snarskyte, A.(Lithuanian Veterinary Academy, Kaisiadorys (Lithuania). Inst. of Veterinary. Dept. of Animal Welfare and Epidemiology)

A study was performed with the aim to determine change of parathyroid hormone (PTH) level in cattle of different age, physiological status and different feeding patterns and comprised the period October 2003 - April 2004. Level of parathyroid hormone was measured in vitro by means of IMMULITE Analyzer (USA, Diagnostic Products Corporation), an immunometric assay. Cattle were divided into 6 groups according to age, physiological status and type of feeding: 1) heifers in-calf, 2) cows aged 2-4 years, 3) cows aged 5-7 years, 4) cows of 8 years and older, 5) cows of high productivity fed using mineral supplements and without them, 6) cows of low productivity fed using mineral supplements and without them. PTH level was determined thrice by analysing blood serum of healthy cows - 170 days before calving, 100 days before calving and immediately after calving. Higher PTH levels (P0.05) were found in cows of all age groups 100 days before calving. It was found that PTH levels were different (P0.05) in high productivity cows, which received mineral supplements with feed, in comparison with ones, which did not. Detected blood serum PTH levels in low productivity cows were not significantly different.

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AGROVOC Keywords

aliment pour animaux alimentación de los animales alimentation des animaux animal feeding blood serum bovin calcio calcium cattle complément alimentaire cows feeds ganado bovino hormonas hormone hormones immunological techniques in vitro investigación latvia letonia lettonie lithuania lituania lituanie metabolismo de minerales mineral metabolism métabolisme des minéraux piensos recherche research suero sanguíneo suplementos supplements sérum sanguin technique immunologique técnicas inmunológicas vaca vache

Bibliographic information

Published in

Veterinarmedicinas raksti (Latvia)

ISSN 1407-1754

Publisher

LLU VMF

Pagination

p. 31-35

Language

English

Note

Summary (En)

2 tables, 12 ref.

Type

Conference; Summary

Source

Animals. Health. Food Quality. International Scientific Conference Proceedings, 15 October 2004, Jelgava, Latvia, Mugurevics, A. (ed.); Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Veterinary Medicine.- Jelgava (Latvia): LLU VMF, 2004. Starptautiska zinatniska konference: Dzivnieki. Veseliba. Partikas higiena,Starptautiska zinatniska konference: Dzivnieki. Veseliba. Partikas higiena, Jelgava (Latvia), 15 Oct 2004.- p. 31-35

In AGRIS since: 2005-05-15

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[Blood serum parathydroid hormone level in cattle of different age, physiological status and different feeding patterns]

2004

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Bibliographic information