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All the news
Sex Control in Aquaculture

Just published

20 Sep 2019

Sex Control in Aquaculture

This book is a comprehensive resource for understanding the biological rationale, scientific principles and real-world practices in the field of sex control in aquaculture.

Calf feeding. © INRA, BOSSENNEC Jean-Marie

Press release

07 May 2019

Tailor-made interactions between the uterus and embryo

One of the crucial stages of gestation is implantation of the embryo in the uterus, in contact with a tissue called the endometrium. However, the mechanisms that enable this implantation remain largely unclear. A Franco-American collaboration co-led by INRA research scientists has revealed that intense and fine-tuned crosstalk is established between the embryo and endometrium, allowing them to adapt to each other. Working in cattle, the scientists analysed the expression of genes in the embryo and endometrium at the start of gestation. They showed that many of the biological processes at work in the two tissues are closely correlated.

Jument et son poulain © Marion Garrigue

Press release

24 Apr 2019

Equine research: arginine supplementation at the end of the first pregnancy in mares improves glucose availability to their foals

INRA scientists working in collaboration with IFCE (the French Horse and Riding Institute) have revealed that the dietary supplementation of mares with arginine during their first pregnancy led to a better adapted metabolism and improved placental function when compared with mares without supplementation.

Foals in progressive habituation to separation, using a fence line.. © Laeticia Marnay, Laeticia Marnay IFCE

News

14 Mar 2019

Progressive habituation to separation alleviates the negative effects of weaning in the mother and foal

The physiological and behavioral consequences of weaning can be reduced by a progressive habituation to separation between mother and foal.

Blue-and-yellow macaw © Arielle Beraud

Press release

22 Aug 2018

Macaws that blush: facial expressions demonstrated for the first time in birds

In order to carry out studies of facial behavioural indicators, INRA scientists teamed up with the Beauval Zoo to look at blue-and-yellow macaws (Ara ararauna), who have the distinctive characteristic of having a portion of their cheeks devoid of feathers. During their experiment, the scientists were able to describe for the first time facial expressions in the birds within a context of positive valence: the macaws blushed and ruffled their crown feathers.