Acta Veterinaria et Zootechnica Sinica ›› 2024, Vol. 55 ›› Issue (10): 4241-4249.doi: 10.11843/j.issn.0366-6964.2024.10.001
• Review • Previous Articles Next Articles
Guohan SUN(), Hao ZHENG, Zhuo YANG, Wenjuan SHEN, Jinzhong TAO*(
)
Received:
2024-03-28
Online:
2024-10-23
Published:
2024-11-04
Contact:
Jinzhong TAO
E-mail:sunguohan01@163.com;tao_jz@nxu.edu.cn
CLC Number:
Guohan SUN, Hao ZHENG, Zhuo YANG, Wenjuan SHEN, Jinzhong TAO. Effects and Regulation Methods of Progesterone on Reproduction in Dairy Cows During Estrus and Early Pregnancy[J]. Acta Veterinaria et Zootechnica Sinica, 2024, 55(10): 4241-4249.
Table 1
Effects of GnRH injection on reproductive efficiency of dairy cows in different TAI schemes"
参考文献 Reference | 注射时间 Injection time | 剂量/μg Dosage | 妊娠率/% Pregnancy rate | |||
试验组 Experimental group | 对照组 Control group | 试验组 Experimental group | 对照组 Control group | |||
Tschopp和Bó[ | TAI前3~2 d | 100 | 0 | 50.6a | 42.7b | |
Consentini等[ | TAI前11 d | 100 | 0 | 34.4a | 30.4b | |
Carvalho等[ | TAI前16 d | 100 | 0 | 40 | 37 | |
Carvalho等[ | TAI前16 d | 100 | 0 | 33 | 32 |
Table 2
Effect of CIDR insertion on reproductive efficiency in different TAI schemes for dairy cows"
参考文献 Reference | 插入时间 Insertion time | 剂量/g Dosage | 妊娠率/% Pregnancy rate | |||
试验组 Experimental group | 对照组 Control group | 试验组 Experimental group | 对照组 Control group | |||
Azevedo等[ | TAI前9 d | 1.38 | 0 | 40.3 | 33.3 | |
Abdalla等[ | TAI前10 d | 1.38 | 0 | 32.8a | 22.5b | |
Bisinotto等[ | TAI前10 d | 2.76 | 0 | 42.2a | 31.3b | |
El-Tarabany[ | TAI前10 d | 1.38 | 0 | 35.9a | 22.5b |
Table 3
Effects of GnRH injection on reproductive efficiency in different TAI schemes of dairy cows"
参考文献 Reference | 注射时间 Injection time | 剂量/μg Dosage | 妊娠率/% Pregnancy rate | |||
试验组 Experimental group | 对照组 Control group | 试验组 Experimental group | 对照组 Control group | |||
Burnett等[ | TAI后0 d | 100 | 0 | 41.3a | 35.7b | |
Gobikrushanth等[ | TAI后0 d | 100 | 0 | 61 | 54.5 | |
Dewey等[ | TAI后7 d | 100 | 0 | 30.7 | 19.7 | |
Dewey等[ | TAI后7 d | 100 | 0 | 35.2 | 27.5 |
Table 4
Effects of hCG injection on reproductive efficiency in different TAI schemes of dairy cows"
参考文献 Reference | 注射时间 Injection time | 剂量/IU Dosage | 妊娠率/% Pregnancy rate | |||
试验组 Experimental group | 对照组 Control group | 试验组 Experimental group | 对照组 Control group | |||
Alnimer和Shamoun[ | TAI后4 d | 1 500 | 0 | 32.4a | 30.9b | |
Alnimer和Shamoun[ | TAI后6 d | 1 500 | 0 | 38.9a | 30.9b | |
Vasconcelos等[ | TAI后7 d | 2 500 | 0 | 32.4 | 30.1 | |
Vasconcelos等[ | TAI后7 d | 2 500 | 0 | 45.1 | 38.1 |
Table 5
Effect of CIDR insertion on reproductive efficiency in different TAI schemes of dairy cows"
参考文献 Reference | 插入时间 Insertion time | 剂量/g Dosage | 妊娠率/% Pregnancy rate | |||
试验组 Experimental group | 对照组 Control group | 试验组 Experimental group | 对照组 Control group | |||
Bisinotto等[ | TAI后0~5 d | 1.38 | 0 | 51.3a | 43.1b | |
Hanlon等[ | TAI后4~11 d | 1.56 | 0 | 36.7 | 35 | |
Monteiro等[ | TAI后4~18 d | 1.38 | 0 | 35.2 | 30.8 | |
Friedman等[ | TAI后5±1~18 d | 1.9 | 0 | 42 | 33 |
Table 6
Effects of GnRH injection on reproductive efficiency of dairy cows in different TAI schemes"
参考文献 Reference | 注射时间 Injection time | 剂量/μg Dosage | 妊娠率/% Pregnancy rate | |||
试验组 Experimental group | 对照组 Control group | 试验组 Experimental group | 对照组 Control group | |||
Franco等[ | TAI后11 d | 100 | 0 | 25.6 | 19.7 | |
López-Gatius等[ | TAI后12 d | 100 | 0 | 35.4 | 30.8 | |
Franco等[ | TAI后14 d | 100 | 0 | 20.3a | 12.7b | |
Bruno等[ | TAI后17 d | 100 | 0 | 33.3 | 29.3 |
Table 7
Effect of CIDR insertion on reproductive efficiency of dairy cows in different TAI schemes"
参考文献 Reference | 插入时间 Insertion time | 剂量/g Dosage | 妊娠率/% Pregnancy rate | |||
试验组 Experimental group | 对照组 Control group | 试验组 Experimental group | 对照组 Control group | |||
Bilby等[ | TAI后7±3 d | 1.38 | 0 | 30.5 | 27.5 | |
Alnimer等[ | TAI后14 d | 1.38 | 0 | 42.1a | 35.5b | |
Dewey等[ | TAI后14 d | 1.38 | 0 | 25.5 | 19.7 | |
Dewey等[ | TAI后14 d | 1.38 | 0 | 34.3 | 27.5 |
Table 8
Effects of GnRH injection on reproductive efficiency of dairy cows in different TAI schemes"
参考文献 Reference | 注射时间 Injection time | 剂量/μg Dosage | 妊娠率/% Pregnancy rate | |||
试验组 Experimental group | 对照组 Control group | 试验组 Experimental group | 对照组 Control group | |||
Giordano等[ | TAI后18 d | 100 | 0 | 31.6a | 25.5b | |
Wijma等[ | TAI后25 d | 100 | 0 | 36.2 | 35.6 | |
Lopes等[ | TAI后25 d | 100 | 0 | 37a | 33.6b | |
Lopes等[ | TAI后32 d | 100 | 0 | 41.2a | 34.3b |
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