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The effect of parity on metabolic profile and resumption of ovarian cyclicity in dairy cows (CROSBI ID 231277)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Folnožić, Ivan ; Turk, Romana ; Đuričić, Dražen ; Vince, Silvijo ; Flegar-Meštrić, Zlata ; Sobiech, Przemysłav ; Lojkić, Martina ; Valpotić, Hrvoje ; Samardžija, Marko * The effect of parity on metabolic profile and resumption of ovarian cyclicity in dairy cows // Veterinarski arhiv, 86 (2016), 5; 641-653

Podaci o odgovornosti

Folnožić, Ivan ; Turk, Romana ; Đuričić, Dražen ; Vince, Silvijo ; Flegar-Meštrić, Zlata ; Sobiech, Przemysłav ; Lojkić, Martina ; Valpotić, Hrvoje ; Samardžija, Marko *

engleski

The effect of parity on metabolic profile and resumption of ovarian cyclicity in dairy cows

The aims of the present study were to investigate the effect of parity on the resumption of ovarian cyclicity and to characterize metabolic factors affecting ovarian cyclicity. The study was conducted on a total of 24 Holstein-Friesian dairy cows. The cows were divided into 2 groups comprising 12 animals each, according to parity as primiparous or multiparous. The serum samples were analysed for the indicators of metabolic status: non-esterfied fatty acids (NEFA), beta- hydroxybutyrate (BHB), glucose, triglycerides, total cholesterol, and high density lipoprotein (HDL)-cholesterol. The resumption of ovarian cyclicity was determined by progesterone concentrations and gynaecological examination. The concentrations of HDL-C and NEFA were either significantly higher or lower, respectively, in relation to the resumption of ovarian cyclicity. These findings suggested that overcoming the negative energy balance (NEB) is the most important prerequisite for determining the resumption of ovarian cyclicity. This study also revealed a significantly longer period until the first service in primiparous cows as compared to multiparous cows. In conclusion, the primiparous cows were more susceptible to metabolic stress during the transition period, and their metabolic and endocrine profiles were more unbalanced compared to the multiparous cows.

negative energy balance; parity; ovarian cyclicity; dairy cows

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Podaci o izdanju

86 (5)

2016.

641-653

objavljeno

0372-5480

Povezanost rada

Veterinarska medicina

Indeksiranost