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Abstract

One blood sample was taken daily by means of an indwelling venous catheter from each of eleven pregnant and six non-pregnant gilts, for 46 days (from the 15th day of Suisynchron application to the 35th day after artificial insemination). The clinico-chemical parameters of sodium, potassium,...

Author(s)
Götze, M.; Bergfeld, J.; Wollenhaupt, K.; Brüssow, K. P.
Citation
Archiv für Experimentelle Veterinärmedizin, 1984, 38, 1, pp 120-128
Abstract

Suisynchron (zinc metallibure) treatment was applied to gilts over 20 days at a daily dosage of 100 mg. This was followed by 1000 IU PMS and 250 IU HCG. Artificial insemination was applied five days after the first hormone administration and followed by one FSH injection after another 12-15 days....

Author(s)
Steger, H.; Bergfeld, J.; Gotze, M.; Huhn, U.; Puschel, F.
Citation
Archiv fur Experimentalle Veterinarmedizin, 1977, 31, 6, pp 895-904
Abstract

Two groups of 12 gilts kept on platforms were synchronized over 20 days, using 100 mg Suisynchron (zinc metallibure) per animal and day followed by PMS treatment (1000 IU) and HCG treatment (250 IU). Artificial insemination was carried out five days after the first hormone application and was...

Author(s)
Steger, H.; Bergfeld, J.; Blodow, G.; Huhn, U.; Puschel, F.
Citation
Archiv fur Experimentalle Veterinarmedizin, 1977, 31, 6, pp 887-893
Abstract

Since 1970 a method of reproduction control based on heat synchronization developed by the Research Centre, Dummerstorf (DDR) has been used successfully in a large number of agricultural co-operatives. Together with efficient organization of artificial insemination this had led to considerable...

Author(s)
Ahrens, M.; Bergfeld, J.; Brand, E.; Braune, S.; Elze, K.; Fritzsch, M.; Haaker, S.; Huhn, U.
Citation
Monatshefte fur Veterinarmedizin, 1975, 30, 6, pp 208-211
Abstract

Two series of experiments were carried out with 2340 gilts on commercial farms. Oestrus was synchronised by feeding 5 g Turisynchron (methallibure) daily for 20 days beginning at about 250 days of age and then injecting 1000 IU PMS followed later by 250 or 500 IU HCG. The effect on fertility of HCG ...

Author(s)
Reuther, E.; Fritzsch, M.; Bergfeld, J.; Sieland, W.
Citation
Monatshefte fur Veterinarmedizin, 1975, 30, 6, pp 217-223
Abstract

Two series of experiments were carried out in 1971 and 1973 with 2032 sows on commercial farms; 24 h after weaning their litters they were given 1250 IU PMS and later 250 or 500 IU HCG. Insemination followed irrespective of whether sows were on heat or not. The effect on fertility of HCG dosage and ...

Author(s)
Reuther, E.; Fritzsch, M.; Bergfeld, J.; Sieland, W.
Citation
Monatshefte fur Veterinarmedizin, 1975, 30, 6, pp 211-216
Abstract

Some results are presented, mainly in the form of tables and graphs, on reproductive performance of gilts and sows analysed according to various criteria. These include the effects of age and live weight of gilts at the beginning of synchronisation, lactation length of sows, quality requirements...

Author(s)
Fritzsch, M.; Reuther, E.; Sieland, W.; Bergfeld, J.
Citation
Monatshefte fur Veterinarmedizin, 1973, 28, 18, pp 690-694