Performance of Japanese Quails (Coturnix coturnix japonica) on Floor and Cage Rearing System in Sylhet, Bangladesh: Comparative Study
محورهای موضوعی : Camelآ. رازی 1 , آ.اس.م. محبوب 2 , م.ی. میاه 3 , م.ر. حسنس 4 , م.کا. حسن 5 , م.ن. اودین 6 , اس.آ. بلال 7
1 - Department of Poultry Science, Sylhet Agricultural University, Sylhet, Bangladesh
2 - Department of Poultry Science, Sylhet Agricultural University, Sylhet, Bangladesh
3 - Department of Poultry Science, Sylhet Agricultural University, Sylhet, Bangladesh
4 - Department of Poultry Science, Sylhet Agricultural University, Sylhet, Bangladesh
5 - Department of Poultry Science, Sylhet Agricultural University, Sylhet, Bangladesh
6 - Department of Livestock Production and Management, Sylhet Agricultural University, Sylhet, Bangladesh|Department of Animal Science, Chonbuk National University, Jeonju 561-756, Republic of Korea
7 - Department of Poultry Science, Sylhet Agricultural University, Sylhet, Bangladesh|Department of Animal Biotechnology, Chonbuk National University, Jeonju 561-756, Republic of Korea
کلید واژه: Performance, quail, comparative study, floor and cage system,
چکیده مقاله :
A total number of 66 day old Japanese quail chicks divided into 2 treatment groups (33 in each treatment) with 3 replications in each having 11 birds (male, 5 and female, 6) were reared on floor and in cage system for a period of 5 weeks to know the effect of rearing system on growth performance and carcass characteristics. At the age of 35 days, average body weight and feed intake were 102.15 and 320.7 g/quail for cage and 78.41 and 146.02 g/quail for floor system, respectively. Feed conversion ratio (FCR) was 3.89 and 4.10 for cage and floor system, respectively (P<0.01), at the end of study period. Body weight, feed intake and FCR were significantly (P<0.01) different between cage and floor rearing system. At the age of 21 and 35 days survivability were 72.72 and 72.72% for cage and 63.63 and 60.60% for floor, respectively. There was higher survivability in cage system. In case of meat yield characteristics, average weight of breast, thigh, wing, drum stick were 20.92, 7.37, 5.42 and 5.72 g for cage and 20.84, 7.35, 5.39 and 5.63 g for floor, respectively. There were no significant difference among average weight of breast, thigh and drum stick between two rearing system. In case of sex average, wing weight differed among sexes. It was concluded that cage reared quails showed better performance compared to littered floor rearing system.
تعداد 66 بلدرچین ژاپنی یکروزه در دو تیمار (هرکدام با 33 بلدرچین) و سه تکرار در هر تیمار با 11 پرنده در هر تکرار (5 نر و 6 ماده) در سیستمهای بستر و قفس به مدت 5 هفته و با هدف بررسی اثر سیستم پرورش روی عملکرد رشد و خصوصیات لاشه پرورش داده شدند. در 35 روزگی متوسط وزن بدن و مصرف خوراک در قفس به ترتیب برابر با 15/102 و 7/320 گرم به ازای هر بلدرچین بوده و در سیستم بستر به ترتیب برابر با 41/78 و 02/146 گرم به ازای هر بلدرچین بوده است. ضریب تبدیل خوراک (FCR) در پایان دوره برای سیستمهای قفس و بستر به ترتیب برابر با 89/3 و 10/4 بوده است (01/0>P). وزن بدن، مصرف خوراک و FCR در سیستمهای بستر و قفس تفاوت معنیداری داشتند (01/0>P). قابلیت بقا در سن 21 و 35 روزگی برای قفس به ترتیب برابر با 72/72 و 72/72 درصد بوده و برای بستر به ترتیب برابر با 63/63 و 60/60 درصد بوده است. بنابراین قابلیت بقاء در سیستم قفس بالاتر بوده است. خصوصیات تولید گوشت، متوسط وزن سینه، ران، بال و پا به ترتیب 92/20، 37/7، 42/5 و 72/5 گرم در سیستم قفس و 84/20، 35/7، 39/5 و 63/5 گرم در سیستم بستر بوده است. هیچ تفاوت معنیداری بین متوسط وزن سینه، ران و پا بین دو سیستم پرورش مشاهده نشد. از دیدگاه توسط جنس، وزن بال بین دو جنس تفاوت داشته است. نتیجهگیری میشود که بلدرچینهای پرورش یافته در سیستم قفس، عملکرد بهتری در مقایسه با سیستم پرورش روی بستر داشتند.
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