Growth and development rules and growth curve fitting analysis of Baicheng County Fried Chicken with different feather lines

doi:10.6048/j.issn.1001-4330.2024.05.024

Abstract

Abstract:

【Objective】The experiment aims to understand the growth and development rules of Baicheng County Fried Chicken with different feather, namely black hemp feather, yellow feather, and silvery grey feather, and provide theoretical basis for scientific feeding management and breeding improvement of Baicheng County Fried Chicken.【Methods】200 healthy chicks (half males and half females) of each feather color were selected at the age of 0 days, and their body weight was measured and recorded from 0 to 22 weeks old. Logistic, Gompertz, and Von Bertalanffy growth models were used to fit and analyze the growth curve of male and female Baicheng County Fried Chickens.【Results】At 10 and 14 weeks old, the body weight of male Black hemp feather Baicheng County Fried Chicken was significantly higher than that of male Silvery grey feather Baicheng County Fried Chicken (P<0.05). At 12 weeks old, the body weight of male black hemp feather Baicheng County Fried Chicken was significantly higher than that of male Yellow feather and silvery grey feather Baicheng County Fried Chicken (P<0.05); at 16 weeks old, the body weight of male black hemp feather and yellow feather Baicheng County Fried Chicken was extremely significantly higher than that of male silvery grey feather Baicheng County Fried Chicken (P<0.01), and at 20 and 22 weeks old, the body weight of male black hemp feather and yellow feather Baicheng County Fried Chicken was significantly higher than that of male silvery grey feather Baicheng County Fried Chicken(P<0.05). For female Baicheng County Fried Chicken, the birth weight of yellow feather was significantly or extremely significant higher than that of black hemp feather and silvery grey feather (P<0.05 or P<0.01); at 6 and 8 weeks old, the body weight of female black hemp feather Baicheng County Fried Chicken was significantly higher than that of female silvery grey feather Baicheng County Fried Chicken (P<0.05), and at 20 and 22 weeks old, the body weight of female Yellow feather Baicheng County Fried Chicken was significantly higher than that of female Silvery grey feather Baicheng County Fried Chicken (P<0.05). The growth curve of the three feather colors of Baicheng County Fried Chicken showed an "S" shape, and the growth peak of male chickens was reached at the 10th week, while that of female chickens was reached at the 12th week. The fitting curves of the three growth models were basically consistent with the actual curves, and Von Bertalanffy model had the best fitting effect for both male and female chickens (R²>0.998). The inflection points of black hemp feather, Yellow feather, and silvery grey feather Baicheng County Fried Chickens were 8.629, 9.389, and 8.947 weeks respectively for male chickens, and 7.946, 8.619, and 7.936 weeks respectively for female chickens; the inflection points of weight were 858.207, 911.107, and 842.681 g for male chickens, and 635.543, 679.577, and 609.097 g for female chickens. 【Conclusion】In conclusion, there are differences in growth and development among Baicheng County Fried Chickens with different feather colors. The optimal growth models for male and female Baicheng County Fried Chickens of the three feather colors are all Von Bertalanffy models.

Key words: Baicheng County Fried Chicken; growth regularity; growth curve; fitting curve; growth model

摘要：

【目的】研究不同羽系拜城油鸡生长发育规律,为拜城油鸡的科学饲养管理和品种改良提供理论依据。【方法】分别选择0日龄健康的黑麻羽系、黄麻羽系和银灰羽系拜城油鸡雏鸡各200只(公母各半),测定并记录0~22周龄的体重,采用Logistic、Gompertz和Von Bertalanffy生长模型对拜城油鸡公、母鸡的体重进行生长曲线拟合分析。【结果】10、14周龄黑麻羽系公鸡的体重显著高于银灰羽系公鸡的体重(P<0.05),12周龄黑麻羽系公鸡的体重显著高于黄麻羽系和银灰羽系公鸡的体重(P<0.05),16周龄黑麻羽系和黄麻羽系公鸡的体重极显著高于银灰羽系公鸡的体重(P<0.01),20、22周龄黑麻羽系和黄麻羽系公鸡的体重显著高于银灰羽系公鸡的体重(P<0.05);母鸡中,黄麻羽系母鸡的初生重分别显著或极显著高于黑麻羽系和银灰羽系母鸡(P<0.05或P<0.01),6、8周龄黑麻羽系母鸡的体重显著高于银灰羽系母鸡的体重(P<0.05),20、22周龄龄黄麻羽系母鸡的体重显著高于银灰羽系母鸡的体重(P<0.05);3个羽系拜城油鸡的生长曲线均呈现“S”型;3个羽系公鸡均在第10周达到生长高峰,母鸡在第12周达到生长高峰;3种生长模型的拟合曲线与实际曲线基本吻合,Von Bertalanffy模型对公、母鸡的拟合效果最佳(R²>0.998),黑麻羽系、黄麻羽系和银灰羽系公鸡的拐点周龄分别为8.629、9.389、8.947,拐点体重分别为858.207、911.107、842.681 g;母鸡的拐点周龄分别为7.946、8.619、7.936,拐点体重分别为635.543、679.577、609.097 g。【结论】不同羽系拜城油鸡的生长发育存在差异,3个羽系拜城油鸡公、母鸡的最优生长模型均为Von Bertalanffy模型。

关键词: 拜城油鸡, 发育规律, 生长曲线, 拟合曲线, 生长模型

CLC Number:

S831

YAO Yang, DONG Wei, LI Haiying, ZHAO Xiaoyu, LIAO Herong, WU Yingping, WANG Gang, HUANG Guijie. Growth and development rules and growth curve fitting analysis of Baicheng County Fried Chicken with different feather lines[J]. Xinjiang Agricultural Sciences, 2024, 61(5): 1259-1267.

姚洋, 董伟, 李海英, 赵晓钰, 廖和荣, 吴盈萍, 王刚, 黄贵杰. 不同羽系拜城油鸡生长发育规律及生长曲线拟合分析[J]. 新疆农业科学, 2024, 61(5): 1259-1267.

Figures/Tables 17

References 22

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项目 Items	0~6周龄 0-6 Week	7~19周龄 7-19 Week	20~22周龄 20-22 Week
日粮组成 Diet composition
玉米Corn(%)	67	67	66
大豆粕 Soybean meal(%)	23	20	20
棉籽蛋白 Cottonseed protein(%)	5		5
小麦麸 Wheat bran(%)		8
菜籽油 Rapeseed oil(%)			2
石粉 Limestone(%)			2
预混料 Premix(%)	5	5	5
合计Total	100	100	100
营养水平 Nutritional level
代谢能ME(MJ/kg)	11.97	11.72	12.28
粗蛋白CP(%)	18.27	15.57	16.90
粗脂肪EE(%)	2.90	3.11	4.79
粗纤维CF(%)	2.59	2.64	2.42
钙Ca(%)	1.10	1.09	2.03
总磷TP(%)	0.74	0.71	0.67
有效磷AP(%)	0.47	0.43	0.41
赖氨酸Lysine(%)	0.94	0.79	0.86
蛋氨酸Methionine(%)	0.45	0.41	0.43

项目 Items	0~6周龄 0-6 Week	7~19周龄 7-19 Week	20~22周龄 20-22 Week
日粮组成 Diet composition
玉米Corn(%)	67	67	66
大豆粕 Soybean meal(%)	23	20	20
棉籽蛋白 Cottonseed protein(%)	5		5
小麦麸 Wheat bran(%)		8
菜籽油 Rapeseed oil(%)			2
石粉 Limestone(%)			2
预混料 Premix(%)	5	5	5
合计Total	100	100	100
营养水平 Nutritional level
代谢能ME(MJ/kg)	11.97	11.72	12.28
粗蛋白CP(%)	18.27	15.57	16.90
粗脂肪EE(%)	2.90	3.11	4.79
粗纤维CF(%)	2.59	2.64	2.42
钙Ca(%)	1.10	1.09	2.03
总磷TP(%)	0.74	0.71	0.67
有效磷AP(%)	0.47	0.43	0.41
赖氨酸Lysine(%)	0.94	0.79	0.86
蛋氨酸Methionine(%)	0.45	0.41	0.43

项目Items	Logistic	Gompertz	Von Bertalanffy
表达式Expression	Y=A/(1+Be^-^Kt)	Y=Ae-Bexp^(-^Kt⁾	Y=A(1-Be^-^Kt)³
拐点体重Inflection point weight	A/2	A/e	8A/27
拐点周龄Inflecting age	(InB)/K	(InB)/K	(In3B)/K
最大周增重Maximum weekly weight gain	Kw/2	Kw	3Kw/2

项目Items	Logistic	Gompertz	Von Bertalanffy
表达式Expression	Y=A/(1+Be^-^Kt)	Y=Ae-Bexp^(-^Kt⁾	Y=A(1-Be^-^Kt)³
拐点体重Inflection point weight	A/2	A/e	8A/27
拐点周龄Inflecting age	(InB)/K	(InB)/K	(In3B)/K
最大周增重Maximum weekly weight gain	Kw/2	Kw	3Kw/2

周龄 Week	黑麻羽系 Black hemp-feather(g)	黄麻羽系 Yellow-feather(g)	银灰羽系 Silvery grey-feather(g)
初生重Birth weight	37.85±3.33	37.51±3.37	37.26±3.36
2	132.74±17.48	131.06±16.79	128.05±14.23
4	328.43±32.71	320.45±35.17	325.31±32.10
6	514.33±61.61	505.77±63.65	508.13±42.30
8	725.31±69.34	711.15±67.12	709.31±55.45
10	1 020.00±68.46^a	982.47±66.01^ab	971.55±87.37^b
12	1 294.53±120.06^Aa	1 216.51±107.22^ABb	1 192.44±120.06^Bb
14	1 516.60±128.17^a	1 481.18±131.88^ab	1 437.01±147.96^b
16	1 743.00±153.35^A	1 680.79±98.65^AB	1 600.90±121.02^B
18	1 887.37±121.48	1 855.96±148.12	1 798.19±195.65
20	2 037.80±114.24^a	2 040.09±124.76^a	1 963.57±108.70^b
22	2 194.95±176.58^a	2 178.45±160.26^a	2 068.43±159.92^b