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95600

APPLYING DIRECT EVAPORATIVE COOLING SYSTEM FOR CONTROLLING ENVIRONMENTAL CONDITIONS IN RABBIT HOUSES

Article

Last updated: 26 Dec 2024

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Tags

Agricultural Constructions Engineering

Abstract

Heat stress is a major problem that faces rabbit's breeders. This problem adversely affects rabbit's growth and reduces the resistance to diseases. The present research was carried out to apply and evaluate the performance of a direct evaporative pad cooling system in rabbit houses to control environmental conditions. The direct evaporative pad cooling system performance was studied as a function of change in pad thickness (10 and 15 cm), water flow rate (3, 5 and 7 L/min.m2) and rabbit stocking density with an approximate average (0.5 and 1.0 rabbit/m2). Performance evaluation of the evaporative pad cooling system was carried out in terms of temperature reduction, cooling efficiency, temperature-humidity index, daily body weight gain and mortality ratio. The experimental results clarified that values of temperature reduction (7.3 and 6.8 oC), cooling efficiency (94.92 and 90.91 %), temperature-humidity index (26.30 and 27.40 oC), daily body weight gain (38.80 and 38 g/rabbit/day) and mortality ratio (0.2 and 0.4 %) are in the optimal limits under conditions of 15 cm pad thickness and 5 L/min.m2 water flow rate for rabbit stocking densities of 0.5 and 1.0 rabbit/m2, respectively.

DOI

10.21608/mjae.2018.95600

Authors

First Name

Hend

Last Name

El-Maghawry

MiddleName

A. M.

Affiliation

Lecturer of Agric. Eng., Fac. of Agric., Zagazig Univ., Egypt.

Email

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City

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Orcid

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Volume

35

Article Issue

3

Related Issue

14404

Issue Date

2018-07-01

Receive Date

2020-06-13

Publish Date

2018-07-01

Page Start

1,061

Page End

1,082

Print ISSN

1687-384X

Online ISSN

2636-3062

Article File

MJAE_Volume 35_Issue 3_Pages 1061-1082.pdf

PDF . 1.0MB

Link

https://mjae.journals.ekb.eg/article_95600.html

Detail API

https://mjae.journals.ekb.eg/service?article_code=95600

Order

15

Type

Original Article

Type Code

1,326

Publication Type

Journal

Publication Title

Misr Journal of Agricultural Engineering

Publication Link

https://mjae.journals.ekb.eg/

MainTitle

APPLYING DIRECT EVAPORATIVE COOLING SYSTEM FOR CONTROLLING ENVIRONMENTAL CONDITIONS IN RABBIT HOUSES

Details

Type

Article

Created At

23 Jan 2023