2021
DOI: 10.19182/remvt.36798
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Impact des caractéristiques du troupeau et des pratiques d’élevage sur les performances de reproduction des vaches laitières dans le Nord-Est algérien

Abstract: L’étude a porté sur les effets des caractéristiques du troupeau (race, taille, parité et zone d’étude) et des pratiques d’élevage (chaleurs induites/naturelles, pratique du flushing ou non, et durée du tarissement) sur les taux de fécondité et de fertilité de 721 vaches laitières (VL) des races Montbéliarde (n = 379) et Prim’Holstein (n = 342) réparties sur 23 troupeaux, nées et mises à la reproduction en Algérie. Les paramètres de fécondité ont révélé un intervalle entre le vêlage et les premières chaleurs de… Show more

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Cited by 7 publications
(2 citation statements)
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“…The calving -1 st heats interval observed is longer than the average duration of 40 days reported by Ponsart et al (2006) for cyclic females in regular heat. This interval is lower than the 86.8 ± 48 days observed by Haou et al (2021) in dairy cows in northeastern Algeria. Nevertheless, the interval found is within the 30-60 days of post partum anoestrus observed in tropical cattle (Kumar et al, 2021).…”
Section: Resultscontrasting
confidence: 56%
“…The calving -1 st heats interval observed is longer than the average duration of 40 days reported by Ponsart et al (2006) for cyclic females in regular heat. This interval is lower than the 86.8 ± 48 days observed by Haou et al (2021) in dairy cows in northeastern Algeria. Nevertheless, the interval found is within the 30-60 days of post partum anoestrus observed in tropical cattle (Kumar et al, 2021).…”
Section: Resultscontrasting
confidence: 56%
“…Mastitis is a serious disease that has cost the dairy industry millions of dollars; it causes delayed oestrus, a drop in pregnancy rates, increases the number of services per conception, and a rise in abortion risk [29,32,45,46].…”
Section: Discussionmentioning
confidence: 99%