Technical articles

Thanasis Sougias, DVM NUEVO Swine Product Manager According to literature, sows are submitted to heat stress in temperatures over 20-22 0C (upper limit of thermoneutral zone). The rise in body temperature during summer months causes various reactions in sows, such as higher respiratory rate, shortness of breath...

Giannis Karvelis, Nutritionist, Technical Sales at Nuevo S.A., www.nuevo-group.com Newly weaned piglets suffer from post weaning diarrhea in the main because of the immature development of the gut and their inadequate capacity to digest a “vegetable based” diet. Reduced feed intake, as a result of weaning...

Giannis Karvelis, Nuevo S.A, g.karvelis@nuevo-group.com   Some time ago, I was invited to participate in the ‘Healthy Start – Healthy Finish’ symposium held in Cookstown & Cavan, Ireland with a technical presentation of a less often addressed approach feed topic. As most aspects of pig nutrition are...

Giannis Karvelis, Nuevo S.A, g.karvelis@nuevo-group.com Published on June 9, 2014 – www.WATTAgNet.com   Sow lactation feeding: A daily challenge Feeding lactating sows is a task that requires daily attention to meet increasing needs for milk production throughout the lactating period. In almost every pig farm I visit, lactation feeding management...

Giannis Karvelis, Nuevo S.A, g.karvelis@nuevo-group.com Published on December 13, 2016 – www.WATTAgNet.com   The particle size of ground grain or feed performs a critical role in determining feed digestibility, mixing performance, and pelleting efficiency and quality. There is much discussion among farmers and consultants about reducing costs while preserving...

Giannis Karvelis, Nuevo S.A, g.karvelis@nuevo-group.com Published on August 4, 2014 – www.WATTAgNet.com   As competition in the global swine business has increased dramatically over the past few years, any decision taken randomly will not deliver the same value. There are many factors that affect the economic viability of a...

Giannis Karvelis, Nuevo S.A, g.karvelis@nuevo-group.com Published on October 7, 2013 – www.WATTAgNet.com   New requirements mandate that sows and gilts must be fed diets rich in fiber and contain sufficient energy to meet their needs. In recent years, the global pig industry is increasingly confronted with the earnest desire of retailers...

Giannis Karvelis, Nuevo S.A, g.karvelis@nuevo-group.com Published on October 14,2015 – www.WATTAgNet.com   Threonine is an amino acid essential for growth, but also for the proper functioning of the immune system. This latter function requires further understanding. Today in feed formulations the term ideal amino acid profile is universally understood and used...

Giannis Karvelis, Nuevo S.A, g.karvelis@nuevo-group.com Published on February 11,2014 – www.WATTAgNet.com   Genetic progress is vitally important and a critical factor in ensuring pig farmers continue to remain sustainably profitable For the last decade, the majority of the genetic breeding programs have focused on increasing litter size, aiming to create a...

Giannis Karvelis, Nuevo S.A, g.karvelis@nuevo-group.com   The major causes of culling in a pig unit are many but according to recent field data and scientific literature, age related performance reduction, reproduction failure and lameness are the three major causes. An increased culling rate will result in decreased...