草业学报 ›› 2025, Vol. 34 ›› Issue (5): 202-211.DOI: 10.11686/cyxb2024266
• 研究论文 • 上一篇
占今舜1(
), 江浩筠1, 王海波1,2, 贾浩滨1, 潘月1,3, 钟小军1, 霍俊宏1(
)
收稿日期:2024-07-09
修回日期:2024-09-12
出版日期:2025-05-20
发布日期:2025-03-20
通讯作者:
霍俊宏
作者简介:E-mail: hjh_0222@126.com基金资助:
Jin-shun ZHAN1(
), Hao-yun JIANG1, Hai-bo WANG1,2, Hao-bin JIA1, Yue PAN1,3, Xiao-jun ZHONG1, Jun-hong HUO1(
)
Received:2024-07-09
Revised:2024-09-12
Online:2025-05-20
Published:2025-03-20
Contact:
Jun-hong HUO
摘要:
本研究旨在探究断奶前后血清生化指标、抗氧化和免疫性能的变化,分析羔羊早期断奶应激发生规律,为营养调控羔羊断奶应激提供理论依据。选取12只出生时间相同,体重相近的健康湖羊羔羊于30日龄进行断奶,羔羊断奶前(断奶0 d)和断奶后3、6和15 d采集血清用于生化指标以及激素浓度、抗氧化和免疫性能等指标的测定。结果表明:1)与断奶0 d相比,断奶15 d羔羊血清谷丙转氨酶(ALT)活性显著降低(P<0.05),断奶6 d羔羊血清碱性磷酸酶(ALP)活性和总蛋白(TP)含量显著降低(P<0.05)。断奶6 d羔羊血清总胆固醇(TC)含量显著高于其他各组(P<0.05),血清尿素氮(BUN)含量随着断奶时间的延长而逐渐升高,而各组间葡萄糖(GLU)含量无显著差异(P>0.05)。2)与断奶3 d相比,断奶15 d羔羊血清三碘甲状腺原氨酸(T3)浓度和断奶6 d羔羊血清四碘甲状腺原氨酸(T4)浓度均显著升高(P<0.05)。 断奶6 d羔羊血清胰岛素样生长因子1(IGF-1)浓度显著低于断奶0和3 d (P<0.05),而各组间肾上腺素(EPI)浓度无显著差异(P>0.05)。3)与断奶0 d相比,断奶3 d羔羊血清总抗氧化能力(T-AOC)、谷胱甘肽过氧化物酶(GSH-Px)和过氧化氢酶(CAT)活性显著降低(P<0.05),而断奶15 d羔羊超氧化物歧化酶(SOD)和CAT活性则显著升高(P<0.05)。与断奶0 d相比,断奶3 d羔羊血清丙二醛(MDA)浓度显著升高(P<0.05),而断奶6和15 d核因子E2相关因子2(Nrf2)浓度则显著降低(P<0.05)。断奶0 d羔羊血清血红素加氧酶-1(HO-1)浓度显著低于其他各组(P<0.05)。4)与断奶3 d相比,断奶15 d羔羊免疫球蛋白A(IgA)浓度显著升高(P<0.05),断奶6和15 d羔羊血清免疫球蛋白G(IgG)浓度显著升高(P<0.05),而各组间免疫球蛋白M(IgM)浓度则无显著差异(P>0.05)。 断奶0 d血清CD 4+ T淋巴细胞(CD 4)浓度和CD 8+ T淋巴细胞(CD 8)浓度的比值显著低于其他各组(P<0.05),其中二者均在断奶6 d最高,而各组间CD 8浓度则无显著差异(P>0.05)。5)断奶3 d羔羊血清白细胞介素-1β(IL-1β)浓度显著高于其他各组(P<0.05),而干扰素-γ(IFN-γ)浓度则相反。与断奶3 d相比,断奶6和15 d羔羊血清白细胞介素-2(IL-2)、白细胞介素-6(IL-6)和肿瘤坏死因子-α(TNF-α)浓度显著下降(P<0.05)。与断奶0 d相比,断奶3、6和15 d羔羊血清白细胞介素-8(IL-8)和白细胞介素-22(IL-22)浓度均显著升高(P<0.05),而血清核因子κB(NF-κB)浓度则相反。与断奶0 d相比,断奶6和15 d羔羊血清半胱氨酸蛋白酶3(Caspase3)浓度显著下降(P<0.05)。综上所述,羔羊早期断奶后会造成机体抗氧化能力和免疫力下降,增强炎症反应。随着断奶后时间的延长,羔羊抗氧化、抗炎能力和免疫力有所增强。
占今舜, 江浩筠, 王海波, 贾浩滨, 潘月, 钟小军, 霍俊宏. 羔羊断奶前后血清生化指标、抗氧化和免疫性能的变化[J]. 草业学报, 2025, 34(5): 202-211.
Jin-shun ZHAN, Hao-yun JIANG, Hai-bo WANG, Hao-bin JIA, Yue PAN, Xiao-jun ZHONG, Jun-hong HUO. The changes of serum biochemical indexes, oxidation resistance and immune property in pre- and post-weaning lambs[J]. Acta Prataculturae Sinica, 2025, 34(5): 202-211.
项目 Item | 断奶天数Weaning days (d) | |||
|---|---|---|---|---|
| 0 | 3 | 6 | 15 | |
| 谷丙转氨酶Alanine aminotransferase (ALT, U·L-1) | 11.32±1.46a | 8.87±2.10abc | 9.36±2.13ab | 3.99±0.50c |
| 谷草转氨酶Aspartate aminotransferase (AST, U·L-1) | 31.72±4.98a | 18.27±3.63a | 18.22±9.18a | 31.63±7.72a |
| 碱性磷酸酶Alkaline phosphatase (ALP, KU·100 mL-1) | 11.38±3.21a | 7.26±0.56ab | 3.27±0.60b | 6.15±2.56ab |
| 葡萄糖Glucose (GLU, mmol·L-1) | 6.94±0.28a | 5.80±0.51a | 9.32±2.71a | 6.46±0.26a |
| 总蛋白Total protein (TP, mg·mL-1) | 91.27±8.92a | 94.69±8.82a | 47.83±6.84b | 71.50±7.70ab |
| 总胆固醇Total cholesterol (TC, mmol·L-1) | 2.86±0.37b | 3.54±0.27b | 12.33±2.64a | 6.13±0.61b |
| 尿素氮Urea nitrogen (BUN, mmol·L-1) | 2.20±0.19c | 2.39±0.21c | 4.42±0.33b | 7.20±0.95a |
表1 断奶前后羔羊血液生化指标变化
Table 1 The change of serum biochemistry indices in pre- and post-weaning lambs
项目 Item | 断奶天数Weaning days (d) | |||
|---|---|---|---|---|
| 0 | 3 | 6 | 15 | |
| 谷丙转氨酶Alanine aminotransferase (ALT, U·L-1) | 11.32±1.46a | 8.87±2.10abc | 9.36±2.13ab | 3.99±0.50c |
| 谷草转氨酶Aspartate aminotransferase (AST, U·L-1) | 31.72±4.98a | 18.27±3.63a | 18.22±9.18a | 31.63±7.72a |
| 碱性磷酸酶Alkaline phosphatase (ALP, KU·100 mL-1) | 11.38±3.21a | 7.26±0.56ab | 3.27±0.60b | 6.15±2.56ab |
| 葡萄糖Glucose (GLU, mmol·L-1) | 6.94±0.28a | 5.80±0.51a | 9.32±2.71a | 6.46±0.26a |
| 总蛋白Total protein (TP, mg·mL-1) | 91.27±8.92a | 94.69±8.82a | 47.83±6.84b | 71.50±7.70ab |
| 总胆固醇Total cholesterol (TC, mmol·L-1) | 2.86±0.37b | 3.54±0.27b | 12.33±2.64a | 6.13±0.61b |
| 尿素氮Urea nitrogen (BUN, mmol·L-1) | 2.20±0.19c | 2.39±0.21c | 4.42±0.33b | 7.20±0.95a |
项目 Item | 断奶天数Weaning days (d) | |||
|---|---|---|---|---|
| 0 | 3 | 6 | 15 | |
| 三碘甲状腺原氨酸Triiodothyronine (T3, nmol·L-1) | 3.66±0.28ab | 3.14±0.29b | 3.63±0.40ab | 4.48±0.27a |
| 四碘甲状腺原氨酸Tetraiodothyronine (T4, nmol·L-1) | 130.51±10.11ab | 116.42±9.17b | 150.53±9.15a | 144.98±10.91ab |
| 胰岛素样生长因子-1 Insulin-like growth factor-1 (IGF-1, μg·mL-1) | 1.45±0.07a | 1.49±0.11a | 1.18±0.08b | 1.26±0.08ab |
| 肾上腺素Epinephrine (EPI, ng·mL-1) | 10.34±0.79a | 8.04±0.88a | 8.98±0.77a | 9.89±0.64a |
表2 断奶前后羔羊血清激素浓度变化
Table 2 The change of serum hormone concentration in pre- and post-weaning lambs
项目 Item | 断奶天数Weaning days (d) | |||
|---|---|---|---|---|
| 0 | 3 | 6 | 15 | |
| 三碘甲状腺原氨酸Triiodothyronine (T3, nmol·L-1) | 3.66±0.28ab | 3.14±0.29b | 3.63±0.40ab | 4.48±0.27a |
| 四碘甲状腺原氨酸Tetraiodothyronine (T4, nmol·L-1) | 130.51±10.11ab | 116.42±9.17b | 150.53±9.15a | 144.98±10.91ab |
| 胰岛素样生长因子-1 Insulin-like growth factor-1 (IGF-1, μg·mL-1) | 1.45±0.07a | 1.49±0.11a | 1.18±0.08b | 1.26±0.08ab |
| 肾上腺素Epinephrine (EPI, ng·mL-1) | 10.34±0.79a | 8.04±0.88a | 8.98±0.77a | 9.89±0.64a |
项目 Item | 断奶天数Weaning days (d) | |||
|---|---|---|---|---|
| 0 | 3 | 6 | 15 | |
| 总抗氧化能力Total antioxidant capacity (T-AOC, U·mL-1) | 16.36±0.92a | 12.89±1.08b | 17.43±0.84a | 18.94±1.18a |
| 过氧化氢酶Catalase (CAT, U·mL-1) | 34.60±2.65b | 26.20±2.44c | 40.51±2.09ab | 42.35±2.03a |
| 谷胱甘肽过氧化物酶Glutathione peroxidase (GSH-Px, U·mL-1) | 326.23±16.33a | 277.71±11.82b | 327.14±17.86a | 309.98±13.68a |
| 超氧化物歧化酶Superoxide dismutase (SOD, U·mL-1) | 103.31±6.16b | 98.37±5.68b | 113.44±6.65b | 135.25±7.30a |
| 丙二醛Malondialdehyde (MDA, nmol·mL-1) | 5.52±0.26b | 6.53±0.22a | 5.71±0.34b | 5.44±0.25b |
| 核因子E2相关因子2 Nuclear factor-erythroid 2-related factor-2 (Nrf2, pg·L-1) | 291.60±1.30a | 289.61±0.83ab | 288.27±0.63b | 288.11±0.60b |
| 血红素加氧酶-1 Heme oxygenase-1 (HO-1, pg·L-1) | 24.91±0.06c | 33.38±0.11a | 33.07±0.08b | 33.17±0.06ab |
表3 断奶前后羔羊抗氧化能力的变化
Table 3 The change of antioxidant capacity in pre- and post-weaning lambs
项目 Item | 断奶天数Weaning days (d) | |||
|---|---|---|---|---|
| 0 | 3 | 6 | 15 | |
| 总抗氧化能力Total antioxidant capacity (T-AOC, U·mL-1) | 16.36±0.92a | 12.89±1.08b | 17.43±0.84a | 18.94±1.18a |
| 过氧化氢酶Catalase (CAT, U·mL-1) | 34.60±2.65b | 26.20±2.44c | 40.51±2.09ab | 42.35±2.03a |
| 谷胱甘肽过氧化物酶Glutathione peroxidase (GSH-Px, U·mL-1) | 326.23±16.33a | 277.71±11.82b | 327.14±17.86a | 309.98±13.68a |
| 超氧化物歧化酶Superoxide dismutase (SOD, U·mL-1) | 103.31±6.16b | 98.37±5.68b | 113.44±6.65b | 135.25±7.30a |
| 丙二醛Malondialdehyde (MDA, nmol·mL-1) | 5.52±0.26b | 6.53±0.22a | 5.71±0.34b | 5.44±0.25b |
| 核因子E2相关因子2 Nuclear factor-erythroid 2-related factor-2 (Nrf2, pg·L-1) | 291.60±1.30a | 289.61±0.83ab | 288.27±0.63b | 288.11±0.60b |
| 血红素加氧酶-1 Heme oxygenase-1 (HO-1, pg·L-1) | 24.91±0.06c | 33.38±0.11a | 33.07±0.08b | 33.17±0.06ab |
项目 Item | 断奶天数Weaning days (d) | |||
|---|---|---|---|---|
| 0 | 3 | 6 | 15 | |
| 免疫球蛋白A Immunoglobulin A (IgA, μg·mL-1) | 177.62±14.73ab | 139.73±13.40b | 166.60±10.43ab | 190.62±10.89a |
| 免疫球蛋白M Immunoglobulin M (IgM, μg·mL-1) | 1522.15±99.55a | 1303.41±99.14a | 1526.23±79.49a | 1549.32±65.07a |
| 免疫球蛋白G Immunoglobulin G (IgG, μg·mL-1) | 76.22±3.46bc | 67.97±4.05c | 80.62±3.22ab | 86.31±2.23a |
| CD 4+ T淋巴细胞CD 4+ T-lymphocyte (CD 4, ng·L-1) | 122.79±3.73c | 256.21±3.26ab | 263.61±5.29a | 248.12±2.13b |
| CD 8+ T淋巴细胞CD 8+ T-lymphocyte (CD 8, ng·L-1) | 63.81±4.84a | 55.32±4.70a | 53.80±2.59a | 56.64±3.84a |
| CD 4/CD 8 | 1.99±0.10b | 4.97±0.38a | 5.03±0.26a | 4.57±0.26a |
表4 断奶前后羔羊血清免疫性能的变化
Table 4 The change of immune indices of serum in pre- and post-weaning lambs
项目 Item | 断奶天数Weaning days (d) | |||
|---|---|---|---|---|
| 0 | 3 | 6 | 15 | |
| 免疫球蛋白A Immunoglobulin A (IgA, μg·mL-1) | 177.62±14.73ab | 139.73±13.40b | 166.60±10.43ab | 190.62±10.89a |
| 免疫球蛋白M Immunoglobulin M (IgM, μg·mL-1) | 1522.15±99.55a | 1303.41±99.14a | 1526.23±79.49a | 1549.32±65.07a |
| 免疫球蛋白G Immunoglobulin G (IgG, μg·mL-1) | 76.22±3.46bc | 67.97±4.05c | 80.62±3.22ab | 86.31±2.23a |
| CD 4+ T淋巴细胞CD 4+ T-lymphocyte (CD 4, ng·L-1) | 122.79±3.73c | 256.21±3.26ab | 263.61±5.29a | 248.12±2.13b |
| CD 8+ T淋巴细胞CD 8+ T-lymphocyte (CD 8, ng·L-1) | 63.81±4.84a | 55.32±4.70a | 53.80±2.59a | 56.64±3.84a |
| CD 4/CD 8 | 1.99±0.10b | 4.97±0.38a | 5.03±0.26a | 4.57±0.26a |
项目 Item | 断奶天数Weaning days (d) | |||
|---|---|---|---|---|
| 0 | 3 | 6 | 15 | |
| 白细胞介素-1β Interleukin-1β (IL-1β, pg·mL-1) | 637.73±36.68b | 790.81±23.56a | 528.88±32.78c | 533.81±39.37c |
| 白细胞介素-2 Interleukin-2 (IL-2, pg·mL-1) | 634.57±29.84ab | 706.05±49.07a | 533.80±36.14b | 513.45±43.29b |
| 白细胞介素-6 Interleukin-6 (IL-6, pg·mL-1) | 140.61±6.07a | 145.54±4.33a | 117.19±5.93b | 112.38±6.31b |
| 白细胞介素-8 Interleukin-8 (IL-8, pg·L-1) | 174.01±2.28b | 407.17±1.22a | 408.72±1.30a | 406.96±0.90a |
| 白细胞介素-22 Interleukin-22 (IL-22, pg·L-1) | 251.74±0.30b | 255.53±0.37a | 256.21±0.33a | 255.50±0.24a |
| 肿瘤坏死因子-α Tumor necrosis factor-α (TNF-α, pg·L-1) | 172.53±8.22ab | 179.74±7.62a | 152.13±8.53bc | 141.60±5.47c |
| 干扰素-γ Interferon-γ (IFN-γ, pg·mL-1) | 515.75±40.51a | 406.41±30.83b | 506.69±27.94a | 569.00±27.12a |
| 半胱氨酸蛋白酶3 Cysteinyl aspartate specific proteinase 3 (Caspase3, nmol·mL-1) | 102.87±6.15a | 95.99±3.45ab | 86.67±4.28b | 84.66±3.01b |
| 核因子κB Nuclear factor kappa-B (NF-κB, pg·L-1) | 120.95±0.10a | 23.58±0.09b | 23.52±0.11b | 23.46±0.06b |
表5 断奶前后羔羊抗炎能力的变化
Table 5 The change of anti-inflammatory ability in pre- and post-weaning lambs
项目 Item | 断奶天数Weaning days (d) | |||
|---|---|---|---|---|
| 0 | 3 | 6 | 15 | |
| 白细胞介素-1β Interleukin-1β (IL-1β, pg·mL-1) | 637.73±36.68b | 790.81±23.56a | 528.88±32.78c | 533.81±39.37c |
| 白细胞介素-2 Interleukin-2 (IL-2, pg·mL-1) | 634.57±29.84ab | 706.05±49.07a | 533.80±36.14b | 513.45±43.29b |
| 白细胞介素-6 Interleukin-6 (IL-6, pg·mL-1) | 140.61±6.07a | 145.54±4.33a | 117.19±5.93b | 112.38±6.31b |
| 白细胞介素-8 Interleukin-8 (IL-8, pg·L-1) | 174.01±2.28b | 407.17±1.22a | 408.72±1.30a | 406.96±0.90a |
| 白细胞介素-22 Interleukin-22 (IL-22, pg·L-1) | 251.74±0.30b | 255.53±0.37a | 256.21±0.33a | 255.50±0.24a |
| 肿瘤坏死因子-α Tumor necrosis factor-α (TNF-α, pg·L-1) | 172.53±8.22ab | 179.74±7.62a | 152.13±8.53bc | 141.60±5.47c |
| 干扰素-γ Interferon-γ (IFN-γ, pg·mL-1) | 515.75±40.51a | 406.41±30.83b | 506.69±27.94a | 569.00±27.12a |
| 半胱氨酸蛋白酶3 Cysteinyl aspartate specific proteinase 3 (Caspase3, nmol·mL-1) | 102.87±6.15a | 95.99±3.45ab | 86.67±4.28b | 84.66±3.01b |
| 核因子κB Nuclear factor kappa-B (NF-κB, pg·L-1) | 120.95±0.10a | 23.58±0.09b | 23.52±0.11b | 23.46±0.06b |
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