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Abstract

PRRS (porcine reproductive and respiratory syndrome) is a worldwide viral disease in pigs (Sus scrofa) causing reproduction failure in sows and respiratory distress in piglets and finishing pigs. PRRS has an important economical impact. The causative agent of the disease, PRRS virus (PRRSV), is a...

Author(s)
Nokireki, T.
Publisher
Suomen Eläinlääkäriliitto, Helsinki, Finland
Citation
Suomen Eläinlääkärilehti, 2010, 116, 6, pp 339-343
Abstract

The history since ancient times up to the present day of manipulation of reproduction in domestic animals to increase their reproductive capacity is reviewed. Topics discussed include infertility, artificial insemination (the collection of semen from a stallion using an artificial vagina is...

Author(s)
Katila, T.
Citation
Suomen Eläinlääkärilehti, 1998, 104, 10, pp 560-562
Abstract

Data were recorded on 252 inseminations performed by 63 veterinarians. The whelping rate was 30%, and litter size averaged 4.6. In 58% of cases, insemination was carried out because of failure to conceive after natural mating. In these bitches, fresh semen was deposited intravaginally; whelping...

Author(s)
Jalkanen, L.
Citation
Suomen Eläinlääkärilehti, 1994, 100, 7-8, pp 450-455
Abstract

The effects of 8 lubricants, used to facilitate insertion of the hand into the vagina of the mare during AI, on sperm motility were examined. The samples examined comprised 10 ml of diluted semen to which 0.5 ml lubricant was added. Some lubricants adversely affected both total and progressive...

Author(s)
Lampinen, K.; Kattila, T.
Citation
Suomen Eläinlääkärilehti, 1994, 100, 6, pp 380-383
Abstract

Over a period of 2 yr, fertility characters were investigated in 32 herds in Finland, each comprising 4-40 cows. The calving interval averaged 382 days, the interval between calving and 1st insemination 80 days, service period 120 days, and the number of inseminations per conception 1.79. The...

Author(s)
Katila, T.; Roine, K.; Saloniemi, H.
Citation
Suomen Elainlaakarilehti, 1980, 86, 3, pp 131-137
Abstract

Semen was collected from 10 stallions using an artificial vagina. The effects of incubation in an atmosphere containing 5% CO2, washing and slow cooling to 5°-8°C on sperm motility and ATP content after long-term storage were investigated. The best media for sperm survival were Kenney's extender...

Author(s)
Heiskanen, M. L.; Pirhonen, A.; Koskinen, E.; Mäenpää, P.
Citation
Suomen Eläinlääkärilehti, 1987, 93, 6, pp 255-261
Abstract

Author(s)
Kauko, L.; Schildt, R.
Citation
Suomen Elainlaakarilehti, 1979, 85, 3, pp 123, 125-126
Abstract

Seasonal fluctuations in milk production in Finland are greater than in other Scandinavian countries. Tables show that variations are greatest in E. Finland. Problems arising from these fluctuations and methods of ensuring more even production (seasonal prices, free insemination etc.) are discussed.

Author(s)
Aijo, L.
Citation
Karjantuote, 1972, 55, 9, pp 228-229
Abstract

To encourage autumn/winter milk production, a Finnish dairy introduced a scheme whereby farmers were refunded insemination fees for heifers calving between July and Oct.

Citation
Karjatalous, 1972, 48, 12, pp 528-529

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