Postpartum anestrus in dairy cattle

Peter, Augustine T.; Vos, P.L.A.M.; Ambrose, D.J.

doi:10.1016/j.theriogenology.2008.11.012

Cited by 138 publications

(126 citation statements)

References 83 publications

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“…Its prevalence in our region is similar to the trends in Spain as presented by López-Gatius (16), most probably due to the changes in feeding regimen, management, and genetic improvement in dairy cattle, as suggested by Peter et al (41).…”

Section: Discussionsupporting

confidence: 90%

Fertility issues in Simmental cows in Central Croatia: a 5-year study

Zobel¹,

TKALČIĆ²,

COLE³

2013

Turk J Vet Anim Sci

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Section: Discussionsupporting

confidence: 90%

Fertility issues in Simmental cows in Central Croatia: a 5-year study

Zobel¹,

TKALČIĆ²,

COLE³

2013

Turk J Vet Anim Sci

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“…This study showed a negative effect of too fatty body (>3.50 BCS) in the first month of lactation, indicating a potential negative energy balance in this group of animals, which directly affects changes in the hormonal balance determining postpartum fertility indices, including uterine involution. Moreover, Peter et al (22) showed a negative effect of a very low BCS (<3.25), which in combination with a negative energy balance in early lactation inhibits pulsatile release of the luteinising hormone stimulating the development of the corpus luteum, as well as hinders ovarian function, thus leading to a reduced oestradiol secretion, and delays uterine involution. Breeders identify anoestrus, i.e.…”

Section: Discussionmentioning

confidence: 99%

Relationship between the pre- and postpartum body condition scores and periparturient indices and fertility in high-yielding dairy cows

Stefańska

Poźniak

Nowak

2016

Journal of Veterinary Research

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Introduction: The aim of this study was to investigate the relationship between body condition score (BCS) determined on the dry-off day, calving day, and in the first month of lactation, its changes during the dry period and early lactation, and periparturient indices and fertility in high-producing dairy cows. Material and Methods: The experiment was conducted in two herds: A and B, located in Western Poland. The studies were conducted on 116 and 108 Polish Holstein-Friesian dairy cows respectively, with an average milk yield of >10 000 kg/305-day lactation. The experiment included the dry period (-56 d to the calving day), the calving day, and early lactation (from +1 to +56 d). The experimental factor was BCS (0 to 5-point scale). The BCS was performed by one person on day -56, on parturition day (in the first 12 h after calving) and on day 30 of lactation. The body condition on the dry-off day and at calving, as well as its deterioration in the first month of lactation, have a considerable effect on fertility indices in dairy cows, thus confirming the advisability of its regular monitoring during routine operations connected with the management of a dairy cattle herd.

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“…Management of the dry period [43] and nutritional strategies during transition and early postpartum periods [44] were proposed to improve fertility in dairy cows. Furthermore, shortening and even eliminating the dry period may improve energy status of cows and increase reproductive efficiency [43,45].…”

Section: Discussionmentioning

confidence: 99%