Article (Scientific journals)
Body condition score, some nutritional parameters in plasma, and subsequent reproductive performance of Montbéliarde cows in Algeria
Kalem, Ammar; Hanzen, Christian; Abdelli, A et al.
2017In Livestock Research for Rural Development
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Keywords :
BCS dairy cow; metabolites fertility; progesterone postpartum
Abstract :
[en] The objective of this study was to investigate the relationships among body condition score (BCS) and plasma metabolite concentrations, and subsequent reproductive performance of Montbéliarde cows in Algeria. The study was conducted in two commercial dairy farms in Tizi-Ouzou area. Blood samples were collected from 50 Montbéliarde dairy cows at 2, 4, 6 and 8 weeks postpartum to measure serum non-esterified fatty acids (NEFA), β-hydroxybutyrate (BHBA), glucose, total cholesterol, urea nitrogen, total protein, aspartate aminotransferase (AST), alanine aminotransferase (ALT), γ-glutamyltransferase (γGT), calcium, magnesium, potassium, phosphorus, sodium, and progesterone. Body condition score (BCS) was assessed at calving and at each time when blood samples were taken. Resumption of postpartum cyclicity was evaluated by progesterone concentrations (≥1 ng/mL) at 4, 6, and 8 weeks postpartum. Increased BHBA, NEFA and glucose concentrations were associated with a lower probability of ovarian activity resumption (ROA) and pregnancy at first insemination (P/1-AI). However, concentrations of plasma cholesterol, AST, ALT, TG and total protein were positively associated with ROA. In addition, increased BHBA and sodium were associated with increased of time to conception. Moreover, decreased Mg concentrations were associated with increasing of time from calving to first insemination. No significant effect was seen between BCS at calving and BCS loss on P/1-AI. So balanced nutrition and reproduction management can ameliorate reproductive performance.
Disciplines :
Veterinary medicine & animal health
Author, co-author :
Kalem, Ammar
Hanzen, Christian  ;  Université de Liège - ULiège > Département clinique des animaux de production (DCP) > Département clinique des animaux de production (DCP)
Abdelli, A
Kaidi, Rachid
Language :
English
Title :
Body condition score, some nutritional parameters in plasma, and subsequent reproductive performance of Montbéliarde cows in Algeria
Publication date :
2017
Journal title :
Livestock Research for Rural Development
eISSN :
0121-3784
Publisher :
Centro Para la Investigacion en Sistemas Sostenibles de Produccion Agropecuaria, Cali, Colombia
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 01 January 2019

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