Analysis and evaluation of slaughter performance and meat quality characteristics of Luobu sheep

doi:10.6048/j.issn.1001-4330.2025.01.029

Xinjiang Agricultural Sciences ›› 2025, Vol. 62 ›› Issue (1): 251-260.DOI: 10.6048/j.issn.1001-4330.2025.01.029

• Animal Husbandry Veterinarian·Prataculture • Previous Articles

Analysis and evaluation of slaughter performance and meat quality characteristics of Luobu sheep

TANG Liping¹^,²(), Aminiguli ², WANG Xu³, FENG Xing³, ZHENG Peiyu¹^,², YU Jianguo², ZHANG Yanwei¹^,², XIE Mengwan¹^,², DI Jiang²(), YU Lijuan²()

1. College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China
2. Genetic Breeding and Reproduction Laboratory of Xinjiang Wool Sheep/Key Laboratory of Animal Resources (Sheep) Evaluation and Utilization of the Ministry of Agriculture and Rural Affairs /Institute of Animal Husbandry, Xinjiang Academy of Animal Sciences, Urumqi 830011, China
3. Xinjiang Bazhou Animal Husbandry Workstation, Korla Xinjiang 841000, China

Received:2024-07-07 Online:2025-01-20 Published:2025-03-11
Correspondence author: DI Jiang, YU Lijuan
Supported by:
Tianshan Innovation Team Program Project of Xinjiang Uygur Autonomous Region(2022D14018);Major Scientific R & D Program Project of Xinjiang Uygur Autonomous Region(2022A02001-2);Natural Science Foundation of Xinjiang Uygur Autonomous Region(2022D01A277);Seed Industry Improvement Program of Xinjiang Uygur Autonomous Region(XJMQ-3)

罗布羊屠宰性能及肉品质特征分析与评价

唐丽苹¹^,²(), 阿米妮古丽², 王旭³, 冯星³, 郑培宇¹^,², 於建国², 张彦威¹^,², 谢梦婉¹^,², 狄江²(), 于丽娟²()

1.新疆农业大学动物科学学院,乌鲁木齐 830052
2.新疆畜牧科学院畜牧研究所/新疆绒毛用羊遗传育种与繁殖实验室/农业农村部畜禽资源(羊)评价利用重点实验室,乌鲁木齐 830011
3.巴音郭楞蒙古自治州畜牧工作站,新疆库尔勒 841000

通讯作者: 狄江,于丽娟
作者简介:唐丽苹(2000-),女,新疆阿克苏人,研究生,研究方向为动物遗传育种,(E-mail)1604059062@qq.com
基金资助:
新疆维吾尔自治区天山创新团队计划项目(2022D14018);新疆维吾尔自治区重大科技专项(2022A02001-2);新疆维吾尔自治区自然科学基金项目(2022D01A277);新疆维吾尔自治区种业提升计划(XJMQ-3)

Abstract

Abstract:

【Objective】 To explore the slaughter performance and meat quality characteristics of Luobu sheep under natural grazing conditions. 【Methods】 Eight 12 month rams and ten 12 month ewes under grazing conditions were selected for slaughter, and then their slaughter performance and meat quality were compared and analyzed. 【Results】 The slaughter performance of Luobu sheep were: slaughter rate 47.02%, net meat rate 38.09%, carcass weight 16.09 kg, eye muscle area 0.53 cm², tail weight 0.93 kg, tube circumference 7.94 cm, ram’s all of which were significantly higher than that of ewe’s (P<0.01), body length 71.78cm, significantly higher than ewe’s (P<0.05). Meat quality: $a_{24 h}^{*}$ was 16.34, and ewe’s were significantly higher than ram’s (P<0.01). pH_24h,b^* _40min, and $b_{24 h}^{*}$ were 5.79, 6.40, and 8.53, respectively, all significantly higher than rams (P<0.05). There was no significant difference in cooking loss and shear force; The protein content in the muscle was 21.70, and the ram’s was significantly higher than the ewe’s (P<0.01). The fat content was 2.29, and the ram’s was significantly lower than the ewe’s (P<0.05), with a water content of 76.38; There were 17 types of amino acids in the muscle, with total amino acid content (TAA), essential amino acid content (EAA), and non essential amino acid content (NEAA) of 19.36, 8.24, and 11.12, respectively, which were significantly higher in ram’s than in ewes (P<0.05), and EAA/NEAA of 74.08, meeting the standard for excellent meat quality; There were 33 types of fatty acids in muscle, with a total fatty acid content of 89.32 and a saturated fatty acid (SFA) content of 43.50. The content of monounsaturated fatty acids (MUFA) in ewes was significantly higher than that in rams (P<0.05), with a content of 34.71 and 11.11, respectively; The contents of mineral elements Fe, Mg, Zn, Cu, Ca and Se were 56.33, 247.14, 21.69, 1.99, 108.36, and 0.04, respectively. Among them, the Se content of ewes was significantly higher than that of rams (P<0.01), Fe was significantly higher than that of rams (P<0.05), and Zn was significantly lower than that of rams (P<0.01). 【Conclusion】 Luobu mutton is rich in nutrients such as amino acids, fatty acids, and mineral elements, which belong to excellent quality meat with a delicious taste; Rams have good slaughtering performance, while ewes have bright and glossy flesh color.

Key words: Luobu sheep; slaughtering performance; meat quality

摘要：

【目的】 探究自然放牧条件下罗布羊屠宰性能及肉品质特征。【方法】 选取放牧条件下的8只12月龄公羊和10只12月龄母羊进行屠宰,对其屠宰性能及肉品质进行比较分析。【结果】 罗布羊屠宰性能:屠宰率47.02%,净肉率38.09%,胴体重16.09 kg,眼肌面积0.53 cm²,尾重0.93 kg,管围7.94 cm,均为公羊极显著高于母羊(P<0.01),体长71.78 cm,显著高于母羊(P<0.05)。肉品质: $a_{24 h}^{*}$ 为16.34,母羊极显著高于公羊(P<0.01),pH_{24 h}、 $b_{40 m i n}^{*}$ 、 $b_{24 h}^{*}$ 分别为5.79、6.40和8.53,均显著高于公羊(P<0.05),蒸煮损失、剪切力差异不显著;肌肉内的蛋白质含量为21.70,公羊极显著高于母羊(P<0.01),脂肪含量为2.29,公羊显著低于母羊(P<0.05),含水量为76.38;肌肉内氨基酸共17种,氨基酸总量(TAA)、必需氨基酸(EAA)、非必需氨基酸(NEAA)含量分别是19.36、8.24和11.12,均为公羊显著高于母羊(P<0.05),且EAA/NEAA为74.08,达到优秀肉品质标准;肌肉中共有33种脂肪酸,总脂肪酸含量为89.32,饱和脂肪酸(SFA)含量为43.50,母羊显著高于公羊(P<0.05),单不饱和脂肪酸(MUFA)含量为34.71,多不饱和脂肪酸(PUFA)含量为11.11;矿物元素Fe、Mg、Zn、Cu、Ca和Se含量分别为56.33、247.14、21.69、1.99、108.36和0.04,其中母羊Se极显著高于公羊(P<0.01),Fe显著高于公羊(P<0.05),Zn极显著低于公羊(P<0.01)。【结论】 罗布羊肉中含有丰富的氨基酸、脂肪酸及矿物元素等营养成分,肉品质优良,营养丰富;公羊具有较好屠宰性能,母羊肉色鲜艳有光泽。

关键词: 罗布羊, 屠宰性能, 肉品质

CLC Number:

S826

TANG Liping, Aminiguli , WANG Xu, FENG Xing, ZHENG Peiyu, YU Jianguo, ZHANG Yanwei, XIE Mengwan, DI Jiang, YU Lijuan. Analysis and evaluation of slaughter performance and meat quality characteristics of Luobu sheep[J]. Xinjiang Agricultural Sciences, 2025, 62(1): 251-260.

唐丽苹, 阿米妮古丽, 王旭, 冯星, 郑培宇, 於建国, 张彦威, 谢梦婉, 狄江, 于丽娟. 罗布羊屠宰性能及肉品质特征分析与评价[J]. 新疆农业科学, 2025, 62(1): 251-260.

Figures/Tables 6

Tab.1 Comparison of slaughter performance of different genders of Luobu sheep

指标 Indexes	罗布羊 Luobu sheep	组别Group
指标 Indexes	罗布羊 Luobu sheep	母羊Ewe	公羊Ram
宰前活重 Live weight before slaughter (kg)	33.94±5.71	30.56±3.20^A	38.16±5.40^B
体高 Body height (cm)	70.06±3.98	68.60±4.32^a	71.88±2.75^a
体长 Body length (cm)	71.78±3.84	70.20±4.19^a	73.75±2.32^b
胸围 Chest circum- ference (cm)	79.50±4.87	77.90±3.93^a	81.50±5.43^a
管围 Pipe circum- ference (cm)	7.94±0.64	7.60±0.52^A	8.38±0.52^B
胴体重 Carcass weight (kg)	16.09±3.89	13.39±1.44^A	19.48±3.25^B
屠宰率 Slaughter rate (%)	47.02±4.47	43.85±2.32^A	50.99±3.04^B
净肉率 Net meat percentage (%)	38.09±4.16	35.23±2.23^A	41.68±3.03^B
眼肌面积 Eye muscle area (cm²)	0.53±0.02	0.51±0.02^A	0.54±0.02^B
背膘厚 Backfat thickness (mm)	1.76±0.75	1.53±0.41^a	2.04±0.99^a
尾重 Tail weight (kg)	0.93±0.60	0.51±0.17^A	1.46±0.53^B

Tab.2 Comparison of edible quality of different genders of Luobu mutton

指标 Indexes	罗布羊 Luobu sheep	组别Group
指标 Indexes	罗布羊 Luobu sheep	母羊Ewe	公羊Ram
pH_{45 min}	6.38±0.22	6.44±0.23^a	6.30±0.20^a
pH_{24 h}	5.79±0.18	5.87±0.18^a	5.69±0.13^b
$L_{40 m i n}^{*}$	35.91±3.07	36.86±2.74^a	34.74±3.21^a
$a_{40 m i n}^{*}$	16.64±1.33	16.97±1.48^a	16.22±1.06^a
$b_{40 m i n}^{*}$	6.40±1.18	6.92±1.11^a	5.76±0.96^b
$L_{24 h}^{*}$	41.71±2.77	41.89±2.90^a	41.49±2.78^a
$a_{24 h}^{*}$	16.34±2.35	17.59±2.21^A	14.77±1.45^B
$b_{24 h}^{*}$	8.53±2.25	9.65±2.37^a	7.13±1.04^b
剪切力 Shear force (kgf)	9.22±0.87	9.32±0.90^a	9.12±0.87^a
蒸煮损失 Cooking loss(%)	28.73±3.03	27.56±3.57^a	29.90±1.93^a

Tab.2 Comparison of edible quality of different genders of Luobu mutton

指标 Indexes	罗布羊 Luobu sheep	组别Group
指标 Indexes	罗布羊 Luobu sheep	母羊Ewe	公羊Ram
pH_{45 min}	6.38±0.22	6.44±0.23^a	6.30±0.20^a
pH_{24 h}	5.79±0.18	5.87±0.18^a	5.69±0.13^b
$L_{40 m i n}^{*}$	35.91±3.07	36.86±2.74^a	34.74±3.21^a
$a_{40 m i n}^{*}$	16.64±1.33	16.97±1.48^a	16.22±1.06^a
$b_{40 m i n}^{*}$	6.40±1.18	6.92±1.11^a	5.76±0.96^b
$L_{24 h}^{*}$	41.71±2.77	41.89±2.90^a	41.49±2.78^a
$a_{24 h}^{*}$	16.34±2.35	17.59±2.21^A	14.77±1.45^B
$b_{24 h}^{*}$	8.53±2.25	9.65±2.37^a	7.13±1.04^b
剪切力 Shear force (kgf)	9.22±0.87	9.32±0.90^a	9.12±0.87^a
蒸煮损失 Cooking loss(%)	28.73±3.03	27.56±3.57^a	29.90±1.93^a

Tab.3 Different genders comparison of conventional nutrient content in Luobu mutton(g/100g)

指标 Indexes	罗布羊 Luobu sheep	组别Group
指标 Indexes	罗布羊 Luobu sheep	母羊Ewe	公羊Ram
蛋白质 Protein	21.70±1.12	21.12±0.74^A	22.44±1.11^B
脂肪 Fat	2.29±1.03	2.76±1.00^a	1.70±0.75^b
含水量 Water content	76.38±0.95	76.24±0.96^a	76.55±0.98^a
灰分含量 Ash content	1.18±0.07	1.19±0.06^a	1.18±0.09^a

Tab.4 Different genders comparison of amino acid content in Luobu mutton (g/100g)

指标 Indexes	罗布羊 Luobu sheep	组别Group
指标 Indexes	罗布羊 Luobu sheep	母羊Ewe	公羊Ram
苏氨酸 Thr	0.88±0.06	0.86±0.06^a	0.92±0.05^a
缬氨酸 Val	0.91±0.06	0.88±0.05^a	0.95±0.05^b
甲硫氨酸 Met	0.80±0.06	0.78±0.06^a	0.83±0.06^a
异亮氨酸 Lle	0.99±0.08	0.95±0.07^a	1.03±0.07^b
亮氨酸 Leu	1.61±0.12	1.57±0.11^a	1.67±0.10^a
苯丙氨酸 Phe	1.06±0.07	1.03±0.07^a	1.09±0.06^a
赖氨酸 Lys	1.98±0.14	1.93±0.14^a	2.06±0.11^a
必需氨基酸 EAA	8.24±0.59	7.99±0.57^a	8.55±0.49^b
天门冬氨酸 Asp	1.90±0.13	1.85±0.13^a	1.96±0.11^a
丝氨酸 Ser	0.75±0.06	0.74±0.07^a	0.77±0.05^a
谷氨酸 Glu	3.09±0.25	2.98±0.25^a	3.24±0.17^b
甘氨酸 Gly	0.81±0.07	0.77±0.05^A	0.86±0.05^B
丙氨酸 Ala	0.97±0.09	0.94±0.08^a	1.02±0.08^b
酪氨酸 Tyr	0.89±0.07	0.87±0.07^a	0.93±0.05^a
组氨酸 His	0.81±0.06	0.80±0.07^a	0.82±0.04^a
精氨酸 Arg	1.34±0.12	1.29±0.11^a	1.41±0.09^b
脯氨酸 Pro	0.55±0.05	0.51±0.03^A	0.59±0.03^B
非必需氨基酸 NEAA	11.12±0.85	10.74±0.82^a	11.60±0.65^b
总氨基酸 TAA	19.36±1.44	18.72±1.39^a	20.15±1.13^b
EAA/NEAA	74.08±0.57	74.41±0.50^A	73.68±0.37^B
EAA/TAA	42.56±0.19	42.66±0.17^A	42.42±0.12^B

Tab.5 Different genders comparison of fatty acid content in Luobu mutton (mg/g)

指标 Indexes	罗布羊 Luobu sheep	组别Group
指标 Indexes	罗布羊 Luobu sheep	母羊Ewe	公羊Ram
丁酸C4:0 Butyric acid	0.05±0.02	0.05±0.02^a	0.05±0.01^a
己酸C6:0 Caproic acid	0.03±0.02	0.03±0.03^a	0.03±0.01^a
辛酸C8:0 Caprylic acid	0.01±0.01	0.01±0.01^a	0.01±0.01^a
癸酸C10:0 Decanoic acid	0.11±0.07	0.14±0.07^a	0.08±0.04^b
月桂酸C12:0 Lauric acid	0.17±0.05	0.18±0.07^a	0.15±0.03^a
十三烷酸C13:0 Tridecanoic acid	0.01±0.04	0.02±0.05^a	0.00±0.00^a
肉豆蔻酸C14:0 Myristic acid	1.85±1.01	2.33±1.00^a	1.26±0.69^b
十五酸C15:0 Pentadecanoic acid	0.28±0.12	0.34±0.10^A	0.19±0.08^B
棕榈酸C16:0 Palmitic acid	21.03±9.45	25.06±9.78^a	16.01±6.46^b
十七烷酸C17:0 Heptadecanoic acid	0.86±0.32	1.01±0.26^a	0.68±0.29^b
硬脂酸C18:0 Stearic acid	18.06±7.16	20.53±7.12^a	14.96±6.30^a
花生酸C20:0 Arachic acid	0.11±0.04	0.13±0.04^a	0.10±0.05^a
二十一碳酸C21:0 Twenty one carbonate	0.04±0.07	0.07±0.09^a	0.00±0.00^a
榆树酸C22:0 Elm acid	0.11±0.02	0.10±0.02^a	0.12±0.03^a
二十三碳酸C23:0 Twenty three carbonic acid	0.11±0.05	0.13±0.03^a	0.08±0.06^a
二十四碳酸C24:0 Twenty four carbonic acid	0.66±0.12	0.67±0.13^a	0.65±0.12^a
饱和脂肪酸SFA Saturated fatty acid	43.50±17.78	50.80±17.94^a	34.36±13.50^b
豆蔻油酸C14:1 Cardamom oleic acid	0.07±0.06	0.09±0.06^a	0.05±0.06^a
顺-10-十五碳一烯酸C15:1 Cis-10-pentadec- anoenoic acid	1.78±0.26	1.77±0.32^a	1.78±0.17^a
棕榈油酸C16:1 Palmitoleic acid	0.84±0.79	0.80±0.99^a	0.88±0.50^a
顺-10-十七碳一烯酸C17:1 Cis-10 heptade- caenoic acid	0.43±0.14	0.48±0.12^a	0.36±0.14^a
油酸C18:1n9c Oleic acid	0.62±0.29	0.65±0.29^a	0.59±0.31^a
二十碳烯酸C20:1 Eicosenoic acid	0.10±0.05	0.09±0.04^a	0.12±0.05^a
神经酸C24:1 Neuroic acid	0.10±0.03	0.09±0.03^a	0.11±0.02^a
反式油酸C18:1n9t Trans oleic acid	30.78±13.10	34.22±14.28^a	26.48±10.80^a
单不饱和脂肪酸 MUFA Monounsaturated fatty acid	34.71±14.21	38.20±15.61^a	30.35±11.76^a
反亚油酸C18:2n6t Trans linoleic acid	0.30±0.16	0.29±0.17^a	0.32±0.15^a
亚油酸C18:2n6c linoleic acid	6.55±1.02	6.18±0.94^a	7.01±0.98^a
γ-亚油酸C18:3n6 γ- linoleic acid	0.23±0.10	0.26±0.11^a	0.21±0.09^a
α-亚麻酸C18:3n3 α- linolenic acid	0.50±0.14	0.60±0.08^A	0.37±0.08^B
花生二烯酸C20:2 Arachidonic acid	0.53±0.08	0.52±0.09^a	0.55±0.07^a
花生四烯酸C20:4n6 Arachidonic acid	0.14±0.09	0.09±0.08^A	0.20±0.04^B
二十碳三烯酸C20:3n3 Eicosatrienoic acid	2.52±0.79	2.24±0.91^a	2.86±0.48^a
EPA二十碳五烯酸C20:5n3 Eicosapenta- enoic acid	0.22±0.06	0.25±0.05^A	0.18±0.04^B
DHA二十二碳六烯酸C22:6n3 Docosahexa- enoic acid	0.12±0.03	0.11±0.02^a	0.13±0.03^a
n-3PUFA	3.35±0.76	3.21±0.94^a	3.54±0.47^a
n-6PUFA	7.22±1.16	6.81±1.06^a	7.74±1.13^a
n-6/n-3PUFA	2.33±1.02	2.43±1.34^a	2.21±0.40^a
多不饱和脂肪酸PUFA Polyunsaturated fatty acid	11.11±1.70	10.54±1.76^a	11.83±1.39^a
PUFA/SFA	0.29±0.12	0.22±0.05^A	0.38±0.13^B
总脂肪酸 Total fatty acids	89.32±32.11	99.54±34.32^a	76.54±25.55^a

Tab.5 Different genders comparison of fatty acid content in Luobu mutton (mg/g)

指标 Indexes	罗布羊 Luobu sheep	组别Group
指标 Indexes	罗布羊 Luobu sheep	母羊Ewe	公羊Ram
丁酸C4:0 Butyric acid	0.05±0.02	0.05±0.02^a	0.05±0.01^a
己酸C6:0 Caproic acid	0.03±0.02	0.03±0.03^a	0.03±0.01^a
辛酸C8:0 Caprylic acid	0.01±0.01	0.01±0.01^a	0.01±0.01^a
癸酸C10:0 Decanoic acid	0.11±0.07	0.14±0.07^a	0.08±0.04^b
月桂酸C12:0 Lauric acid	0.17±0.05	0.18±0.07^a	0.15±0.03^a
十三烷酸C13:0 Tridecanoic acid	0.01±0.04	0.02±0.05^a	0.00±0.00^a
肉豆蔻酸C14:0 Myristic acid	1.85±1.01	2.33±1.00^a	1.26±0.69^b
十五酸C15:0 Pentadecanoic acid	0.28±0.12	0.34±0.10^A	0.19±0.08^B
棕榈酸C16:0 Palmitic acid	21.03±9.45	25.06±9.78^a	16.01±6.46^b
十七烷酸C17:0 Heptadecanoic acid	0.86±0.32	1.01±0.26^a	0.68±0.29^b
硬脂酸C18:0 Stearic acid	18.06±7.16	20.53±7.12^a	14.96±6.30^a
花生酸C20:0 Arachic acid	0.11±0.04	0.13±0.04^a	0.10±0.05^a
二十一碳酸C21:0 Twenty one carbonate	0.04±0.07	0.07±0.09^a	0.00±0.00^a
榆树酸C22:0 Elm acid	0.11±0.02	0.10±0.02^a	0.12±0.03^a
二十三碳酸C23:0 Twenty three carbonic acid	0.11±0.05	0.13±0.03^a	0.08±0.06^a
二十四碳酸C24:0 Twenty four carbonic acid	0.66±0.12	0.67±0.13^a	0.65±0.12^a
饱和脂肪酸SFA Saturated fatty acid	43.50±17.78	50.80±17.94^a	34.36±13.50^b
豆蔻油酸C14:1 Cardamom oleic acid	0.07±0.06	0.09±0.06^a	0.05±0.06^a
顺-10-十五碳一烯酸C15:1 Cis-10-pentadec- anoenoic acid	1.78±0.26	1.77±0.32^a	1.78±0.17^a
棕榈油酸C16:1 Palmitoleic acid	0.84±0.79	0.80±0.99^a	0.88±0.50^a
顺-10-十七碳一烯酸C17:1 Cis-10 heptade- caenoic acid	0.43±0.14	0.48±0.12^a	0.36±0.14^a
油酸C18:1n9c Oleic acid	0.62±0.29	0.65±0.29^a	0.59±0.31^a
二十碳烯酸C20:1 Eicosenoic acid	0.10±0.05	0.09±0.04^a	0.12±0.05^a
神经酸C24:1 Neuroic acid	0.10±0.03	0.09±0.03^a	0.11±0.02^a
反式油酸C18:1n9t Trans oleic acid	30.78±13.10	34.22±14.28^a	26.48±10.80^a
单不饱和脂肪酸 MUFA Monounsaturated fatty acid	34.71±14.21	38.20±15.61^a	30.35±11.76^a
反亚油酸C18:2n6t Trans linoleic acid	0.30±0.16	0.29±0.17^a	0.32±0.15^a
亚油酸C18:2n6c linoleic acid	6.55±1.02	6.18±0.94^a	7.01±0.98^a
γ-亚油酸C18:3n6 γ- linoleic acid	0.23±0.10	0.26±0.11^a	0.21±0.09^a
α-亚麻酸C18:3n3 α- linolenic acid	0.50±0.14	0.60±0.08^A	0.37±0.08^B
花生二烯酸C20:2 Arachidonic acid	0.53±0.08	0.52±0.09^a	0.55±0.07^a
花生四烯酸C20:4n6 Arachidonic acid	0.14±0.09	0.09±0.08^A	0.20±0.04^B
二十碳三烯酸C20:3n3 Eicosatrienoic acid	2.52±0.79	2.24±0.91^a	2.86±0.48^a
EPA二十碳五烯酸C20:5n3 Eicosapenta- enoic acid	0.22±0.06	0.25±0.05^A	0.18±0.04^B
DHA二十二碳六烯酸C22:6n3 Docosahexa- enoic acid	0.12±0.03	0.11±0.02^a	0.13±0.03^a
n-3PUFA	3.35±0.76	3.21±0.94^a	3.54±0.47^a
n-6PUFA	7.22±1.16	6.81±1.06^a	7.74±1.13^a
n-6/n-3PUFA	2.33±1.02	2.43±1.34^a	2.21±0.40^a
多不饱和脂肪酸PUFA Polyunsaturated fatty acid	11.11±1.70	10.54±1.76^a	11.83±1.39^a
PUFA/SFA	0.29±0.12	0.22±0.05^A	0.38±0.13^B
总脂肪酸 Total fatty acids	89.32±32.11	99.54±34.32^a	76.54±25.55^a

Tab.6 Different genders comparison of mineral element content in Luobu mutton(mg/kg)

指标 Indexes	罗布羊 Luobu sheep	组别Group
指标 Indexes	罗布羊 Luobu sheep	母羊Ewe	公羊Ram
Fe	56.33±30.03	68.84±32.22^a	40.69±18.77^b
Mg	247.14±13.65	245.90±14.51^a	248.68±13.29^a
Zn	21.69±2.78	20.08±2.03^A	23.70±2.26^B
Cu	1.99±1.12	2.39±1.30^a	1.50±0.60^a
Ca	108.36±52.79	103.73±69.00^a	114.13±24.04^a
Se	0.04±0.02	0.05±0.01^A	0.03±0.01^B

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Analysis and evaluation of slaughter performance and meat quality characteristics of Luobu sheep

罗布羊屠宰性能及肉品质特征分析与评价

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