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Abstract

Objectives - To determine if the concentration of non-esterified fatty acids (NEFA) before calving is correlated with the success rate of the first artificial insemination. Materials and methods - The NEFA concentration before calving was measured on 11 farms in the Rhone after a year of collection ...

Author(s)
Sobre, G. le; Bois-Truchet, É.
Publisher
Point Vétérinaire Italie s.r.l., Milano, Italy
Citation
Summa, Animali da Reddito, 2017, 12, 2, pp 31-35
Abstract

The management of the cows during the transition period is essential to guarantee excellent productive and reproductive performances. Errors in the period preceding delivery, during delivery and in the immediate postpartum, can affect the performance of the herd, through an increase in involuntary...

Author(s)
Gnemmi, G.; Maraboli, C.
Publisher
Point Vétérinaire Italie s.r.l., Milano, Italy
Citation
Summa, Animali da Reddito, 2019, 14, 2, pp 23-28
Abstract

Infertility remains the most prevalent reason for cattle being removed from production environments. We utilized metabolomic profiling to identify metabolites in the blood plasma that may be useful in identifying infertile heifers at the time of artificial insemination (AI). Prior to AI, phenotypic ...

Author(s)
Phillips, K. M.; Read, C. C.; Kriese-Anderson, L. A.; Rodning, S. P.; Brandebourg, T. D.; Biase, F. H.; Marks, M. L.; Elmore, J. B.; Stanford, M. K.; Dyce, P. W.
Publisher
Point Vétérinaire Italie s.r.l., Milano, Italy
Citation
Summa, Animali da Reddito, 2018, 13, 9, pp 21-31
Abstract

Feline artificial insemination is a complex technique, which includes several key stages. It is necessary to manage the oestrus cycles, to induce ovulation and to collect semen, prior to insemination. Specific knowledge of the genital anatomy and reproductive physiology of the cat are essential to...

Author(s)
Mir, F.
Publisher
Point Vétérinaire Italie s.r.l., Milano, Italy
Citation
Summa, Animali da Compagnia, 2015, 32, 8, pp 35-41
Abstract

In order to improve reproductive indicators in sheep under extensive production systems (agro-pastoral, low investment), it is important to choose immediately applicable technological measures. In this context, the Authors highlight strategies including, besides the already known "long" and "middle ...

Author(s)
Viñoles Gil, C.; Olivera Muzante, J.
Publisher
Point Vétérinaire Italie s.r.l., Milano, Italy
Citation
Summa, Animali da Reddito, 2017, 12, 4, pp 20-24
Abstract

Artificial insemination is the most relevant reproductive biotechnology to introduce superior genetics at herd level, despite its old discovery, its widespread has been very recent in suckler herds, its diffusion has been possible mainly thanking the development of proper FTAI programs;...

Author(s)
Randi, F.
Publisher
Point Vétérinaire Italie s.r.l., Milano, Italy
Citation
Summa, Animali da Reddito, 2017, 12, 4, pp 32-41
Abstract

The secondary sex ratio, defined as the proportion of males at birth is 52% in cattle, with variations depending on the populations studied 46 to 57%. It is higher in the early stages of embryonic development, and the males die proportionally more often conceptus during pregnancy than females...

Author(s)
Hanzen, C.; Maillard, S. C.; Rao, A. S.; Théron, L.
Publisher
Point Vétérinaire Italie s.r.l., Milano, Italy
Citation
Summa, Animali da Reddito, 2018, 13, 2, pp 29-35
Abstract

The sex ratio (proportion of male calves born) can vary as a result of many factors. The biological mechanisms of their effects are numerous. First the origin of oocytes (sex ratio varies between the right ovary and left ovary), while the influence of the horn that hosts the fetus does not appear...

Author(s)
Hanzen, C.; Chastant-Maillard, S.; Rao, A. S.; Théron, L.
Publisher
Point Vétérinaire Italie s.r.l., Milano, Italy
Citation
Summa, Animali da Reddito, 2018, 13, 2, pp 37-40
Abstract

The hormonal approach to reproductive management has profoundly changed: the introduction of timed Al has resulted in a strategic change in the management of hormone therapy. Until then, hormones were used to cure a symptom (persistent dominant follicle, persistent corpus luteum, oestrus...

Author(s)
Gnemmi, G.; Calvo, A.; Maraboli, C.
Publisher
Point Vétérinaire Italie s.r.l., Milano, Italy
Citation
Summa, Animali da Reddito, 2017, 12, 4, pp 25-31
Abstract

The NEFA concentration before calving was measured on 11 farms in the Rhone after a year of collection during herd monitoring and serum freezing with the DVM NEFA portable device. This rate was compared to the success or failure at first insemination and calving to first insemination interval. The...

Author(s)
Sobre, G. le; Bois-Truchet, É.
Publisher
Point Vétérinaire Italie s.r.l., Milano, Italy
Citation
Summa, Animali da Reddito, 2016, 11, 10, pp 33-37

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