Abstracts - Genetics and reproduction

Boar contact is an effective method to stimulate oestrus within 26 days of farrowing in both lactating and weaned sows.

The aim of this study was to investigate the effects of different induction protocols when applied on d114 of gestation.

Researchers from Wageningen University explain that a number of important characteristics of European pigs have Asian origins.

Selection for increased UC results in larger ovaries and uterine horns, but TRU was not useful for estimating these traits in gilts of the age studied.

This is the first described relationship between reproductive failure and toxic compounds released from plastic bags.

Data suggest that the oviduct functions as a biological sensor that screens the spermatozoon, and then responds by modifying the oviductal environment.

This study concluded that Laiwu had stronger capacity of immunological stress resistance and next was Lulai among three breeds. Chromium yeast helped piglets relieve immunological stress.

Supplementing freezing media with 2 mm GSH greatly improves boar sperm cryopreservation technology, as it significantly improves the fertilizing ability of frozen-thawed spermatozoa.

Dietary treatments of ≥800 IU/kg feed showed beneficial effects for breeding swine in terms of bone mineral content and ultimate strength, decreased number of still born piglets, and greater vitamin D status in comparison with dietary treatments of 200 IU/kg of feed.

In this study, the influence of IL-1β on secretory activity within the corpora lutea (CL) of cyclic and gravid pigs was determined in vitro during different stages of the CL lifespan.