Javier Alastuey from Ger-Gandaria was present at the round table “Environmental control under debate” at “aviFORUM CARNE”.

During the event there was time for debate and analysis of different ideas and visions during the round table entitled “Environmental control under debate”. The debate was moderated by Santiago Bellés, and counted on the participation of representatives from specialists and renowned companies in environmental control, such as Jorge Camacho (Big Dutchman), José Carlos Muñiz (Exafan) and Javier Alastuey (Ger-Gandaria).

Javier Alastuey, with 30 years of experience in livestock climate control at GER, explains the points to take into account for environmental control in the field of poultry farming:

  • In the first days of life we ​​must heat the chick and in the last stage of the bird’s life we ​​must refrigerate it.
  • You need a thermostat to control heating, ventilation and cooling.
  • The benefits of good climate control are numerous: it improves the feed conversion rate, it improves health, it increases growth, it lowers the mortality rate and therefore it increases the bird productivity.

INTRODUCTION

The idea of ​​good climate control is to keep the chick in a neutral or comfortable state where the ambient temperature does not fluctuate. In the first days of life we ​​must heat the chick and in the last stage of the bird’s life we ​​must refrigerate it. Therefore it is necessary to have a thermostat that can regulate and control heating, ventilation and cooling at the same time.

MOST IMPORTANT CLIMATE PARAMETERS IN AVICULTURE

There has been much talk about climate control during the last decade but, what are the most important climatic parameters in poultry farming?

Air quality control. The presence of oxygen is as important as the absence of ammonia, carbon dioxide, carbon monoxide or dust.

Desired temperature according to the age of the chick (thermal comfort zone). Temperature perceived by the birds depending on the air velocity (in tunnel-like facilities with a transfer speed of 2.5 m/s the bird can feel a thermal change up to -6º C).

Appropriate relative humidity to avoid the generation of harmful gases, control of condensation and reduction of the famous “wet beds”.

Air velocity management for optimum poultry performance:

Speed ​​of air through the evaporation panel. In order to achieve an adequate evaporative cooling efficiency, the speed of air through the evaporation filters must be adequate and this depends on the material of the filters and their thickness. Currently in almost all of the broiler facilities we install 100 mm thick cellulose panels. In this case, the appropriate speed is 1.5 m/s.

Speed ​​at which air enters the facility and direction of air flow. Depending on the facility width, the appropriate speed can range between 3 and 5m/s.

Transfer speed. This is crucial in tunnel-type ventilation. The adequate speed to get the cooling effect in the chicken, ranges from 2.5 to 3.5m/s. The benefits of a good climate control are numerous: it improves the feed conversion rate, improves health, the development of the bird, lowers the index of mortality and therefore the bird is much more productive.

Source: Avicultura

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