Pig castration: will the EU manage to ban pig castration by 2018?
This study provides descriptive information on the practice of piglet castration across 24 European countries.
Page 30 of articles about genetics-reproduction
Omega-3 supplementation effect on metabolic and reproductive parameters in prepubertal gilts
Dietary polyunsaturated fatty acids supplementation may be useful to stimulate puberty onset on gilts.
Clinical case: Increase of returns in summer and low annual prolificacy
The farm reports a problem of low prolificacy (mean annual live births of 11.91) and low fertility in summer, with a marked increase in acyclic returns.
NPD: An invisible component for herd productivity
We recommend that producers pay more attention to gilts and sows that are at risk of increasing NPD. Situations of increased risk are described.
EU PIG: project created to help improve Europe’s pig industry
EU PIG is a new concept which aims to improve the connection between producers and the latest science, husbandry techniques and technologies from within their industry via fellow producers, academics and advisors connected through thematic and regional platforms.
The performance and behaviour of gilts and their piglets is influenced by whether they were born and reared in farrowing crates or farrowing pens
The current study demonstrated that the expression of some piglet-directed behaviour was influenced by the system in which a gilt was born and reared.
"Ghost sows" and the other 8 most frequent errors when processing data (2/2)
This second part deals with the problems caused by not recording properly the cause of abortions, sows and piglets deaths, nurse sows and hormonal treatments.
Effect of Pseudomonas aeruginosa on sperm capacitation and protein phosphorylation of boar spermatozoa
The present study provides novel data regarding the effects of bacterial contamination on boar sperm, suggesting that the presence of P aeruginosa affects the fertilizing ability of boar sperm by altering its ability to accomplish IVC.
Litter-of-origin trait effects on gilt development
Colostrum consumption, birth weights, preweaning growth rate, number weaned, and parity are associated with gilt development traits during later life.
The effects of male and female immunocastration on meat quality of pigs intended for dry-cured ham
It can be concluded that immunocastration could be interesting in pigs intended for dry-cured ham elaboration because in males improved the feed conversion ratio with no penalization of carcass or meat quality.
Strategic value of boar studs in production systems
Production of a minimum number of doses to maintain profitability and the increase in post-cervical insemination leads to an increase of the doses produced per boar and, therefore, their share of responsibility in the production process.
Relationships between ovulation rate and embryonic and placental characteristics in multiparous sows at 35 days of pregnancy
A high avulation rate results in an moderate increase in the number of vital embryos at day 35 of pregnancy, but compromises development in the surviving embryonic/placental units, suggesting that the future growth and survival of the embryos might be further compromised.
Requirements of essential fatty acids for lactating sows
Dietary essential fatty acid supplementation in sow during lactation affects further reproductive performance.
Effect of natural betaine on estimates of semen quality in mature AI boars during summer heat stress
Betaine supplementation at 0.63% and 1.26% tended to increase sperm concentration in the ejaculates by 6% and 13%, respectively.
Effects of sodium butyrate supplementation on reproductive performance and colostrum composition in gilts
Collectively, SB supplementation could reduce the rate of gilts return to estrus, alter the composition of colostrum and enhance the growth rate of piglets.
Use of altrenogest on pig farm
The shorter and lower dose regime saves money but there is an increased risk of follicular cyst development, which may occur at doses below 13mg/day.