נגישות
menu      
Advanced Search
Syntax
Search...
Volcani treasures
About
Terms of use
Manage
Community:
אסיף מאגר המחקר החקלאי
Powered by ClearMash Solutions Ltd -
Effects of diurnally cycling versus constant temperatures on chicken growth and food intake
Year:
1996
Source of publication :
British Poultry Science
Authors :
Hurvitz, Shmuel (Animal science)
;
.
Plavnik, Isaak
;
.
Straschnow, Amir
;
.
Yahav, Shlomo
;
.
Volume :
37
Co-Authors:
Yahav, S., Institute of Animal Science, ARO, Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Straschnow, A., Institute of Animal Science, ARO, Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Plavnik, I., Institute of Animal Science, ARO, Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Hurwitz, S., Institute of Animal Science, ARO, Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Facilitators :
From page:
43
To page:
54
(
Total pages:
12
)
Abstract:
1. Male broiler chickens were exposed in separate experiments to: (a) constant ambient temperatures (Ta) ranging between 10 and 35°G; (b) 12 h: 12 h diurnal high-low temperature of 10:3O°C, 15:350C and 15:30°C in different trials; and (c) 12 h of 30 or 35°C and 12 h of variable lower temperature. 2. A progressive decline in weight gain and food intake was obtained as Ta increased from 18 to 35°C. Under diurnally cycling temperature, weight gain and food intake were lower than in the average corresponding constant temperature, with the exception of chickens exposed to 15:30°C, where weight gain and food intake were not significantly different from those of the constant average temperature. 3. As the diurnal cold period was made colder, chickens exposed during half of the diurnal cycle to high temperature (30, 35°C) demonstrated a significant (P≤0.05) increase in weight gain and food intake. 4. There was a good correlation between plasma triiodothyronine (T3) and Ta. The correlation between T3 and food intake was highly significant, but that between T3 and weight gain was poor. 5. The results indicate the difficulties in predicting the performance of broilers exposed to diurnally cycling temperatures from knowledge of the average temperature.
Note:
Related Files :
adipose tissue
Animal
animal housing
Animals
Blood
Chickens
circadian rhythm
Male
meat
temperature
Show More
Related Content
More details
DOI :
Article number:
0
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
18600
Last updated date:
21/08/2022 07:45
Creation date:
16/04/2018 23:22
You may also be interested in
Scientific Publication
Effects of diurnally cycling versus constant temperatures on chicken growth and food intake
37
Yahav, S., Institute of Animal Science, ARO, Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Straschnow, A., Institute of Animal Science, ARO, Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Plavnik, I., Institute of Animal Science, ARO, Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Hurwitz, S., Institute of Animal Science, ARO, Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Effects of diurnally cycling versus constant temperatures on chicken growth and food intake
1. Male broiler chickens were exposed in separate experiments to: (a) constant ambient temperatures (Ta) ranging between 10 and 35°G; (b) 12 h: 12 h diurnal high-low temperature of 10:3O°C, 15:350C and 15:30°C in different trials; and (c) 12 h of 30 or 35°C and 12 h of variable lower temperature. 2. A progressive decline in weight gain and food intake was obtained as Ta increased from 18 to 35°C. Under diurnally cycling temperature, weight gain and food intake were lower than in the average corresponding constant temperature, with the exception of chickens exposed to 15:30°C, where weight gain and food intake were not significantly different from those of the constant average temperature. 3. As the diurnal cold period was made colder, chickens exposed during half of the diurnal cycle to high temperature (30, 35°C) demonstrated a significant (P≤0.05) increase in weight gain and food intake. 4. There was a good correlation between plasma triiodothyronine (T3) and Ta. The correlation between T3 and food intake was highly significant, but that between T3 and weight gain was poor. 5. The results indicate the difficulties in predicting the performance of broilers exposed to diurnally cycling temperatures from knowledge of the average temperature.
Scientific Publication
You may also be interested in