PLASMA PROGESTERONE AND LUTEINIZING-HORMONE LEVELS IN CATTLE AFTER SYNCHRONIZATION OF ESTRUS WITH DINOPROST

被引:6
作者
COULSON, A [1 ]
NOAKES, DE [1 ]
COCKRILL, T [1 ]
HAMER, J [1 ]
机构
[1] ROYAL VET COLL,DEPT SURG & OBSTET,HATFIELD,HERTFORDSHIRE,ENGLAND
关键词
D O I
10.1136/vr.105.19.440
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
The plasma levels of progesterone and lutineizing hormone (LH) were monitored in a group of cattle after pretreatment with two injections of 25 mg dinoprost. Close groupings of preovulatory LH peaks were observed and the possible significance of this is discussed. Based on the findings of this study, supporting evidence is provided for the timing of insemination after injection cattle which have been synchronised for oestrus with dinoprost.
引用
收藏
页码:440 / 442
页数:3
相关论文
共 9 条
[1]   DIURNAL-VARIATION OF PLASMA PROGESTAGEN CONCENTRATIONS IN PONY MARES [J].
COCKRILL, T ;
ALLEN, WE .
VETERINARY RECORD, 1978, 102 (23) :503-503
[2]   CONTROL OF ESTROUS CYCLES OF HEIFERS WITH A SYNTHETIC PROSTAGLANDIN ANALOG [J].
COOPER, MJ .
VETERINARY RECORD, 1974, 95 (10) :200-203
[3]  
ELBANNA AA, 1970, FERTIL STERIL, V21, P534
[4]  
HAFS HD, 1975, J ANIM SCI, V41, P355
[5]  
KING G J, 1974, Theriogenology, V1, P123, DOI 10.1016/0093-691X(74)90055-7
[6]  
MANNS JG, 1976, J ANIM SCI, V43, P295
[7]  
MOODY EL, 1977, 69TH P ANN M AM SOC
[8]   ESTROUS-CYCLE OF COW - HORMONAL PARAMETERS AND TIME RELATIONSHIPS CONCERNING ESTRUS, OVULATION, AND ELECTRICAL-RESISTANCE OF VAGINAL MUCUS [J].
SCHAMS, D ;
SCHALLENBERGER, E ;
HOFFMANN, B ;
KARG, H .
ACTA ENDOCRINOLOGICA, 1977, 86 (01) :180-192
[9]   LUTEOLYSIS, ESTRUS AND OVULATION, AND BLOOD PROSTAGLANDIN-F AFTER INTRAMUSCULAR ADMINISTRATION OF 15, 30 OR 60 MG PROSTAGLANDIN-F2 ALPHA [J].
STELLFLUG, JN ;
LOUIS, TM ;
HAFS, HD ;
SEGUIN, BE .
PROSTAGLANDINS & OTHER LIPID MEDIATORS, 1975, 9 (04) :609-615