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Association of milk production level and milk urea content with date and efficiency of the first insemination service in cows

100%

Gil Z., Adamczyk K., Zychlinska-Buczek J., Pokorska J.

Annals of Warsaw University of Life Sciences - SGGW. Animal Science

2019

tom 58[1]

Artificial insemination in the emu [Dromaius novaehollandiae]: effect of numbers of spermatozoa and time of insemination on the duration of the fertile period

84%

Malecki I. A., Martin G. B.

Animal Science Papers and Reports

2004

tom 22

nr 3

In emus, the duration of the fertile period was measured following a single artificial insemination (AI) and investigated the effect of time of AI in the egg cycle on the duration of the fertile period. Semen was collected by artificial cloaca, pooled and used undiluted for AI within 30 minutes. For insemination, a female was followed until she assumed the voluntary crouch. A speculum was then inserted into the cloaca and an insemination straw introduced into the vagina to a depth of 1-2 cm, and semen deposited. Following a single insemination with 100, 200 or 400 million spermatozoa, female emus laid fertilized eggs for 10.0±0.4, 12.0±0.9, and 15.0±0.6 days. When 400 million spermatozoa were used for insemination on Day 1, 2 or 3 of the oviposition cycle, the duration of the fertile period appeared to change in a day-dependent manner. After AI on Day 1, female emus laid fertilized eggs for 15.8±1.1 days, after AI on Day 2 for 12.5±2.2 days, and after AI on Day 3 for 10.0±1.5 days. The results suggest that female emus need to be inseminated the day after oviposition to maximize the duration of their fertile period.

Niewlasciwy termin unasienniania krow jako przyczyna powtarzania rui - skutecznosc wybranych metod postepowania na przykladzie jednego stada

59%

Kozdrowski R., Dzieciol M., Twardon J., Dejneka G. J.

Acta Scientiarum Polonorum. Medicina Veterinaria

2005

tom 04

nr 2

41-46

Rozrod bydla

59%

Pasko J.

Biuletyn Informacyjno-Handlowy. Ośrodek Doradztwa Rolniczego Boguchwała

1997

nr 11

10-12

Ograniczanie wyników

1 Acta Scientiarum Polonorum. Medicina Veterinaria

1 Animal Science Papers and Reports

1 Annals of Warsaw University of Life Sciences - SGGW. Animal Science

1 Biuletyn Informacyjno-Handlowy. Ośrodek Doradztwa Rolniczego Boguchwała

1 Adamczyk K.

1 Dejneka G. J.

1 Dzieciol M.

1 Gil Z.

1 Kozdrowski R.

1 Malecki I. A.

1 Martin G. B.

1 Pasko J.

1 Pokorska J.

1 Twardon J.

1 Zychlinska-Buczek J.

1 2019

1 2005

1 2004

1 1997

Wyniki wyszukiwania

Association of milk production level and milk urea content with date and efficiency of the first insemination service in cows

Artificial insemination in the emu [Dromaius novaehollandiae]: effect of numbers of spermatozoa and time of insemination on the duration of the fertile period

Niewlasciwy termin unasienniania krow jako przyczyna powtarzania rui - skutecznosc wybranych metod postepowania na przykladzie jednego stada

Rozrod bydla