A single factor design was used to a 16-week experiment to study the effects of dietary crude protein level on performance and egg quality of Luxi game chickens aged 26 to 41 weeks. Two hundred 26-week-old Luxi game chickens with an average body weight of (1.952±0.288) kg were randomly distributed into four groups with five replicates per group and ten hens per replicate. Four dietary crude protein levels were 14.0%, 15.5%, 17.0% and 18.5%. All birds were restrictively fed the same amount of diets. Results showed that average egg size of Luxi game chickens aged 26 to 41 weeks was not significantly affected by dietary crude protein level (P＞0.05). From 26 to 29 weeks of age, dietary crude protein level did not affect laying rate, the ratio of feed to egg and average weekly egg mass of Luxi game chickens (P＞0.05). From 30 to 37 weeks of age, the ratio of feed to egg was not significantly affected by dietary crude protein level (P＞0.05). From 30 to 33 weeks of age, except 15.5% group at 30 to 31 weeks of age, average weekly egg mass of 17.0% group was significantly higher than that of the other groups (P＜0.05). From 30 to 31 weeks of age, laying rate of 17.0% group was significantly higher than that of 14.0% and 18.5% groups (P＜0.05), and the same result was recieved at 36 to 37 weeks of age as well. From 32 to 35 weeks of age, laying rate of 17.0% group was significantly higher than that of 15.5% group (P＜0.05). From 38 to 41 weeks of age, average weekly egg mass of Luxi game chickens of 18.5% group was significantly higher than that of the other groups (P＜0.05), laying rate was significantly higher than that of 14.0% and 15.5% groups (P＜0.05), and the ratio of feed to egg was significantly higher than that of 15.5% group (P＜0.05). Meanwhile, at 33 weeks of age, with the increase of dietary crude protein level, there was a downward trend in yolk color of Luxi game chickens (P=0.09); at 41 weeks of age, albumen high and Haugh unit of Luxi game chickens of 17.0% and 18.5% groups were significantly than those of 14.0% and 15.5% groups (P＜0.05). In conclusion, the dietary appropriate crude protein levels for Luxi game chickens during the early period (26 to 29 weeks of age), middle period (30 to 37 weeks of age), and late period (38 to 41 weeks of age) are 14.0%, 17.0% and 18.5%, respectively.
CHEN Guanjun
,
YANG Weiren
,
YANG Zaibin
,
GAO Xiang
,
ZHANG Xianglun
. Effects of Dietary Crude Protein Level on Performance and Egg Quality of Luxi Game Chickens[J]. Chinese Journal of Animal Nutrition, 2012
, 24(10)
: 2028
-2035
.
DOI: 10.3969/j.issn.1006-267x.2012.10.024
[1] 邹仕康,摘译.欧洲消费者对鸡蛋品质的追求与理解[J].中国家禽,2001,23(5):36-37.
[2] 尹清强,韩友文,滕冰,等.产蛋鸡高峰期蛋白质和必需氨基酸模型的研究[J].东北农业大学学报,1996,27(3):259-265.
[3] 黄保华,张桂芝,石天虹,等.不同营养水平对蛋鸡19~72周龄生产性能的影响[J].山东家禽,2000(1):10-13.
[4] 孙永刚.低能量水平下产蛋鸡高峰期适宜蛋白、蛋氨酸需要量的确定及理想蛋白模式的研究.硕士学位论文.郑州:河南农业大学,2010.
[5] 中华人民共和国农业部.NY/T 33—2004中国肉鸡饲养标准[S].北京:中国农业出版社,2004.
[6] 李建,赵桂苹,郑麦青,等.北京油鸡与白来航蛋鸡产蛋规律差异研究[J].中国家禽,2008,30(11):9-14.
[7] 杨承忠,蔡长来,荣振坤,等.马岗鹅的就巢规律及其与产蛋量的相关性研究[J].中国家禽,2001,23(8):54-55.
[8] LIU H K,LILBURN M S,KOYYERI B,et al.Preovulatory surge patterns of luteinizing hormone,progesterone,and estradiol-17β in broiler hens fed ad libitum or restricted fed[J].Poultry Science,2004,83(5):823-829.
[9] PANDA A K,RAMA RAO S V,RAJU M V L N,et al.Effect of nutrient density on performance,egg quality and humoral immune response of brown laying (Dahlem Red) hens in the tropics[J].Tropical Animal Health and Production,2012(44):293-299.
[10] JUNQUEIRA O M,DE LAURENTIZ A C,DA SILVA FILARDI R,et al.Effects of energy and protein levels on egg quality and performance of laying hens at early second production cycle[J].The Journal of Applied Poultry Research,2006,15(1):110-115.
[11] 秦鹏,计成,郭宏.不同能量蛋白水平对褐壳蛋鸡生产性能的影响[J].饲料工业,2001,22(10):22-24.
[12] KHAJALI F,KHOSHOUIE E A,DEHKORDI S K,et al.Production performance and egg quality of Hy-Line W-36 laying hens fed reduced protein diets at a constant total sulfur amino acid:lysine ratio[J].The Journal of Applied Poultry Research,2008,17(3):390-397.
[13] AL BUSTANY Z,ELWINGER K.Shell and interior quality and chemical composition of eggs from hens different strains and ages fed different dietary lysine levels[J].Acta Agriculture Scandinavica-Section A,1987(37):175-187.
[14] AKBAR M K,GAVORA J S,FRIARS G W,et al.Composition of eggs by commercial size categories effects of genetic group,age and diet[J].Poultry Science,1983,62(6):925-933.
[15] 董修建,赵超,马学会,等.不同蛋鸡品种鸡蛋品质的比较分析[J].中国家禽,2005,27(9):16-18.
[16] 耿爱莲,石晓琳,王海宏,等.饲粮粗蛋白质水平对散养北京油鸡产蛋性能及蛋品质的影响[J].动物营养学报,2011,23(2):307-315.
[17] WU G B,GUNAWARDANA P,BRYANT M M,et al.Effects of dietary energy and protein on performance, egg composition, egg quality and profits of Hy-Line W-36 hens during phase 3[J].The Journal of Poultry Science,2007,44(1):52-57.
[18] TARASEWICZ Z,SZCZERBIŃSKA D,LIGOCKI M,et al.The Effect of differentiated dietary protein level on the performance of breeder quails[J].Animal Science Papers and Reports,2006,24(3):207-216.
[19] KANG C W,NAM K T,OLSON O E,et al.Effects of dietary protein levels, restricted feeding, strain and age on eggshell quality in laying hens[J].Asian-Australasian Journal of Animal Sciences,1996,9(6):727-735.
[20] SEHU A,CENGIZ O,CAKIR S.The effects of diets including different energy and protein levels on egg production and quality in quails[J].Indian Veterinary Journal,2005,82(12):1291-1294.
