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Information on global poultry, pig and animal feed markets.

Giannis Karvelis

Giannis Karvelis, Nutritionist, Nuevo S.A, gkarvelis@nuevo.gr

ARTICLES

Practical grinding guidelines for pig feeds

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 performance or improving it.
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NUTRITION

Pig gut health: Understanding the role of threonine

Threonine is an amino acid essential for growth, but also for the proper functioning of the immune system. This latter function requires further understanding.
In pig diets, threonine is an amino acid essential for growth, but also for the proper functioning of the immune system. This latter function requires further understanding.
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STOCKMANSHIP-HEALTH

Pig stockmanship and profitability go hand-in-hand

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.
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.
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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 is a reference point that I try to discuss in detail with the personnel of the unit. After countless field trips, it is clear to me now that although lactation length can be quite similar among different farms, there is still a large variation in litter weaning weight; and it appears this is mainly due to the way farms manage lactation feeding.
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GENETICS

Modern genetics require modern formulation methods

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 highly productive sow that would easily wean more than 27-28 piglets per year. This goal has been clearly achieved, but the increased feed costs and the growing health challenges meant that at the end, this model of genetic improvement is by and large economically inefficient since it does not ensure the financial soundness of a pig unit.
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Nutrition

Feeding boars for optimal reproductive results

Boars account for 50 percent of genetic makeup of market pigs, yet their nutrition is largely neglected especially when artificial insemination is employed in commercial farms.
The understated, yet immense, impact of the breeding boar on overall farm productivity is rarely discussed. Any factor related to nutrition or management that can improve boar reproductive performance is of great interest and should be studied extensively.
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Pig nutrition welfare is gaining ground in EU

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 and consumers to know not only the origin of pork meat and products, but also the living conditions of the animals. 
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Gilts: Are you giving the proper attention to your farm’s future?

The nutrition of young, developing gilts has a tremendous impact on the lifetime performance of the sow.
The breeding gilt, bred on the farm or outsourced, is an extremely valuable animal that ensures the ongoing productivity of every pig farm. Nowadays, the yearly replacement rate in commercial farms is approximately 45 percent, which is nearly half of the total sow population! 
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