中国畜禽种业 ›› 2026, Vol. 22 ›› Issue (5): 125-130.doi: 10.19543/j.cnki.1673-4556.20260404.002

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杜洛克与赣南藏香猪杂交组合性能测定

柯尝玲1,2(), 曹奎1, 刘敬1, 付戴波1, 曾思静1, 张健1, 余公修4, 胡耀3, 熊雄1, 徐仕明1, 周泉勇1()   

  1. 1.九江市农业科学院,江西 九江 332105
    2.九江市农学会,江西 九江 332105
    3.江西省农业科学院畜牧兽医研究所,江西 南昌 330200
    4.瑞昌市横港镇人民政府,江西瑞昌 332227
  • 收稿日期:2025-10-23 出版日期:2026-05-26 发布日期:2026-06-17
  • 通讯作者: 周泉勇 E-mail:1642242961@qq.com;89629577@qq.com
  • 作者简介:柯尝玲(1976—),男,江西武宁人,高级畜牧师,主要从事畜牧技术研究与推广工作,E-mail:1642242961@qq.com
  • 基金资助:
    九江市科普专项资金;江西省重点研发计划(20212BBF63024)

Performance testing of a hybridized combination between Duroc and Gannan Tibetan pig

Changling Ke1,2(), Kui Cao1, Jing Liu1, Daibo Fu1, Sijing Zeng1, Jian Zhang1, Gongxiu Yu4, Yao Hu3, Xiong Xiong1, Shiming Xu1, Quanyong Zhou1()   

  1. 1.Jiujiang Academy of Agricultural Sciences, Jiujiang, 332105, Jiangxi
    2.Jiujiang Agricultural Science Society, Jiujiang, 332105, Jiangxi
    3.Institute of Animal Husbandry and Veterinary Science, Jiangxi Academy of Agricultural Sciences, Nanchang, 330200, Jiangxi
    4.People's Government of Henggang Town, Ruichang City, Ruichang, 332227, Jiangxi
  • Received:2025-10-23 Online:2026-05-26 Published:2026-06-17
  • Contact: Quanyong Zhou E-mail:1642242961@qq.com;89629577@qq.com

摘要:

目的 该试验旨在测定杜洛克与赣南藏香猪杂交后代的生长性能、屠宰性能、肉质性状等指标,分析杂交后代的生产性能变化。 方法 通过选取3头杜洛克公猪与3头赣南藏香猪母猪进行杂交,其后代分组进行分栏饲养,至体成熟后每栏选取2头屠宰,并测定各项生产性能指标。 结果 结果显示,与赣南藏香猪相比,杜赣杂交后代体重明显增大,屠宰率和瘦肉率得到显著提升(P<0.05);背最长肌中粗蛋白质含量无显著变化(P>0.05),但肉色评分显著降低(P<0.05),且肌纤维直径显著变粗(P<0.05),肌纤维密度显著下降(P<0.05);背最长肌中总氨基酸含量无明显变化(P>0.05),但呈味氨基酸含量显著下降(P<0.05)。 结论 可见,选取杜洛克作为父本进行杂交后,杜赣杂交后代生长性能得到有效提升,但猪肉品质呈现明显下降趋势。

关键词: 杂交猪, 性能测定, 胴体性状, 肌纤维特性, 氨基酸含量

Abstract:

Objective This study aimed to evaluate growth performance, slaughter characteristics, and meat quality traits in hybrid offspring from Duroc and Gannan Tibetan pig crossbreeding, while analyzing changes in production efficiency. Method Three Duroc boars were crossbred with three Gannan Tibetan sows, with their offspring divided into groups for rearing. Upon reaching physical maturity, two pigs from each group were randomly selected and slaughtered to determine the various production parameters. Result The results showed that compared with Gannan Tibetan pigs, the body weight of Dugan hybrid offspring was significantly increased (P < 0.05), the slaughter rate and lean meat rate were significantly increased (P < 0.05). There was no significant change in crude protein content in longissimus dorsi muscle (P > 0.05), but the meat color score was significantly reduced(P < 0.05), and the muscle fiber diameter was significantly thicker (P < 0.05). The muscle fiber density decreased significantly (P < 0.05), but the flavor amino acid content decreased significantly (P < 0.05). Conclusion The findings indicate that using Duroc as the sire effectively enhances growth performance in hybrids, yet leads to a noticeable decline in pork quality.

Key words: Hybrid pig, Performance testing, Body characteristics, Muscle fiber characteristics, Amino acid content

中图分类号: 

  • S831

表1

杜赣杂交猪与赣南藏香猪胴体性状、肉质性状、肉营养成分和肌纤维组织特性的比较(n=6)"

性状

Traits

项目

Items

赣南藏香猪

Gannan Tibetan pig

杜赣杂交猪

Duroc×Gannan hybrid pig

t值

t-value

P

P-value

胴体性状

Carcass traits

活重/kg39.43±1.0582.50±3.96-17.940.000
胴体重/kg25.16±1.7957.90±3.08-16.680.000
胴体斜长/cm60.83±5.2575.08±2.20-5.990.001
背膘厚/cm2.26±0.582.60±0.33-1.1630.281
皮厚/cm0.40±0.020.32±0.072.200.064
肋骨数/根14.0014.00
眼肌面积/cm221.70±7.0832.80±3.55-3.250.014
屠宰率/%63.81±4.0970.19±2.22-3.130.017
瘦肉率/%52.11±4.0560.34±2.10-4.160.004
脂肪率/%17.29±8.7119.40±1.93-0.6050.564
皮率/%15.23±3.469.86±1.753.2050.015
骨率/%15.38±2.8210.40±0.804.260.004

肉质性状

Meat quality traits

pH45 min6.41±0.146.09±0.252.300.051
pH24h5.70±0.085.56±0.161.620.143
pH变化幅度0.71±0.070.53±0.181.840.103
肉色评分5.68±0.173.30±0.2416.720.000
肉色L*43.96±1.4541.88±6.470.620.553
肉色a*9.17±1.4215.42±1.19-7.560.000
肉色b*6.49±0.862.32±1.614.680.002

猪肉营养成分

Nutritional composition of pork

水分/(g·100g-1)73.98±0.9772.50±0.825.8820.002
粗脂肪/(g·100g-1)0.90±0.432.40±0.91-3.010.020
粗蛋白质/(g·100g-1)23.62±1.1221.47±1.010.1630.877
肌苷酸/(mg·kg-1)986.97±28.461414.33±123.55-9.1130.000
猪肉肌纤维组织特性Muscle fiber tissue characteristics of pork直径/μm30.94±2.9474.88±7.02-11.670.000
密度/(根·mm-2)1939.00±79.93378.34±119.0722.7880.000

表2

杜赣杂交猪与赣南藏香猪猪肉氨基酸含量对比(n=6)单位:g/kg"

项目Items赣南藏香猪 Gannan Tibetan pig杜赣杂交猪Duroc×Gannan hybrid pigt值t-valuePP-value
天冬氨酸Aspartic acid41.78±0.9920.08±0.5345.550.000
谷氨酸Glutamic acid24.85±0.5036.52±0.90-23.380.000
胱氨酸Cystine4.90±2.215.31±2.23-0.290.781
丝氨酸Serine7.65±0.238.53±0.21-6.310.000
甘氨酸Glycine7.62±0.409.30±0.41-6.390.000
组氨酸Histidine4.07±1.289.87±0.44-10.470.000
精氨酸Arginine14.73±1.1513.92±0.371.6580.136
苏氨酸Threonine10.21±0.7710.20±0.230.020.988
丙氨酸Alanine10.50±0.3212.52±0.29-10.320.000
脯氨酸Proline6.03±0.276.65±0.23-3.840.005
酪氨酸Tyrosine6.04±0.137.48±0.29-9.350.000
缬氨酸Valine9.19±0.1311.03±0.22-15.160.0000
蛋氨酸Methionine1.81±0.024.72±0.58-9.750.000
异亮氨酸Isoleucine9.05±0.1510.62±0.28-10.230.000
亮氨酸Leucine14.46±0.2917.50±0.38-13.350.000
苯丙氨酸Phenylalanine7.24±0.158.76±0.21-12.630.000
赖氨酸Lysine26.00±0.5619.97±0.4119.920.000
呈味氨基酸Flavor amino acids98.04±1.4994.67±2.452.440.041
必需氨基酸Essential amino acids77.95±1.6282.80±2.05-3.950.004
总氨基酸Total amino acids206.12±5.55207.67±5.01-0.460.659

表3

杜赣杂交猪肌肉脂肪酸组成(n=6)"

项目Items杜赣杂交猪Duroc×Gannan hybrid pig/%项目Items杜赣杂交猪Duroc×Gannan hybrid pig/%
月桂酸C12:00.093±0.050α-亚麻酸C18:3n30.25±0.053
肉豆蔻酸C14:01.30±0.091花生酸C20:00.24±0.023
十五烷酸C15:00.035±0.0090顺-11-二十碳一烯酸C20:10.96±0.11
棕榈酸C16:025.24±0.56顺,顺-11,14-二十碳二烯酸 C20:20.38±0.055
棕榈油酸C16:13.41±0.20顺,顺,顺-8,11,14-二十碳三烯酸甲酯C20:3n60.11±0.027
十七烷酸C17:00.18±0.039花生四烯酸C20:4n60.80±0.25
硬脂酸C18:012.33±0.73饱和脂肪酸SFA39.42±1.00
油酸C18:147.19±1.04不饱和脂肪酸UFA60.54±0.96
亚油酸C18:2n6c7.43±1.39UFA/SFA1.54±0.062
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