Dissertation of Adelina Ari H.,S.Pt.,MP: Analysis of Physiological Conditions and Broiler Productivity in Various Cage Systems during the Rainy and Dry Seasons

Indonesia has two seasons, namely rainy and dry because it is included in a tropical climate area. In the dry season the air temperature reaches 34°C during the day and will drop to 21°-25°C at night. During the rainy season during the day the air temperature is around 24°-28°C and decreases at night to 23°-26°C. This season difference will have an impact on the appearance of broiler production. Because the environment is one of the factors that affect the physiological condition and productivity of broilers. 

In addition, controlled enclosure environmental conditions can cause livestock to provide maximum genetic expression. Conversely, unfavorable environmental conditions will have a negative impact on the health and productivity of broilers.

The statement was written by a lecturer at the Faculty of Animal Science, Universitas Brawijaya (Fapet UB), Adelia Ari H., S.Pt.MP. in his final dissertation research. Titled “Physiological Studies and Broiler Productivity in Open, Semi-Closed and Closed Cage Systems in the Rainy and Dry Seasons”, this research was tested in an open trial, Friday (6/1/2022). Located in the main courtroom on the 6th floor of Gd.V, the exam was chaired by the head of the Doctor of Animal Science study program, Prof. Lilik Eka Radiati.

Adel said the development of the broiler business was supported by an increase in the genetic quality of the chicks and the quality of the rations used. Improvement in genetic quality can be seen from the rapid growth of chickens and efficiency in the use of rations. However, the increase in genetic and ration quality must be balanced by maintenance management or management which includes maintenance and housing management.

Research using the survey method was conducted in six cages at PT. Ciomas Adisatwa, Tbk, consists of 2 open cages, 2 semi cages and 2 closed cages. While data collection was carried out during the rainy season and dry season. Based on the results of the analysis, the lecturer’s interest in livestock production concluded that the physiological condition of broilers in both seasons using open, semi-closed and closed cage systems showed differences as seen from the rectal temperature indicator. While the blood profile revealed differences in the observations of leukocytes, Hb and PCV. This physiological difference is thought to be due to differences in overall microclimatic conditions associated with significantly different ambient temperature, humidity, wind speed and NH3 levels.

The productivity of broilers in closed cage systems showed lower body weight gain compared to open ones. Broiler productivity shows better performance in closed cage systems based on the parameters of mortality, FI, FCR, IP and IOFC both in the dry season and the rainy season. (dta)