![Elitest, La coopérative au service de l'éleveur | Centres d'Inséminations Artificielles en Alsace, Vosges, Haute Marne, Meuse et Moselle. Elitest, La coopérative au service de l'éleveur | Centres d'Inséminations Artificielles en Alsace, Vosges, Haute Marne, Meuse et Moselle.](http://www.elitest.net/images/produits/logo-heatime.jpg)
Elitest, La coopérative au service de l'éleveur | Centres d'Inséminations Artificielles en Alsace, Vosges, Haute Marne, Meuse et Moselle.
![Heifers with positive genetic merit for fertility traits reach puberty earlier and have a greater pregnancy rate than heifers with negative genetic merit for fertility traits - Journal of Dairy Science Heifers with positive genetic merit for fertility traits reach puberty earlier and have a greater pregnancy rate than heifers with negative genetic merit for fertility traits - Journal of Dairy Science](https://els-jbs-prod-cdn.jbs.elsevierhealth.com/cms/asset/76144c96-c8dc-4e70-84da-7b948ae20a2f/gr1.jpg)
Heifers with positive genetic merit for fertility traits reach puberty earlier and have a greater pregnancy rate than heifers with negative genetic merit for fertility traits - Journal of Dairy Science
![Use of the Comprehensive Climate Index to estimate heat stress response of grazing dairy cows in a temperate climate region | Journal of Dairy Research | Cambridge Core Use of the Comprehensive Climate Index to estimate heat stress response of grazing dairy cows in a temperate climate region | Journal of Dairy Research | Cambridge Core](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20210825101802637-0786:S0022029921000406:S0022029921000406_fig1.png?pub-status=live)
Use of the Comprehensive Climate Index to estimate heat stress response of grazing dairy cows in a temperate climate region | Journal of Dairy Research | Cambridge Core
![Use of the Comprehensive Climate Index to estimate heat stress response of grazing dairy cows in a temperate climate region | Journal of Dairy Research | Cambridge Core Use of the Comprehensive Climate Index to estimate heat stress response of grazing dairy cows in a temperate climate region | Journal of Dairy Research | Cambridge Core](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20210825101802637-0786:S0022029921000406:S0022029921000406_fig2.png?pub-status=live)
Use of the Comprehensive Climate Index to estimate heat stress response of grazing dairy cows in a temperate climate region | Journal of Dairy Research | Cambridge Core
![Elitest, La coopérative au service de l'éleveur | Centres d'Inséminations Artificielles en Alsace, Vosges, Haute Marne, Meuse et Moselle. Elitest, La coopérative au service de l'éleveur | Centres d'Inséminations Artificielles en Alsace, Vosges, Haute Marne, Meuse et Moselle.](http://www.elitest.net/images/produits/ruminact-01.jpg)