Reproductive performance and estimates of labor requirements associated with combinations of artificial insemination and natural service in swine

A study was conducted to examine effects of mating systems composed of natural service (NS) and AI in swine on farrowing rate, litter size, and labor requirements. Sows and gilts were bred once per day via one of the following treatments (d 1/d 2): NS/NS, NS/AI, AI/AI, and NS/none. Gilts bred with N...

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Veröffentlicht in:	Journal of animal science 1992-03, Vol.70 (3), p.615-621
Hauptverfasser:	Flowers, W. L, Alhusen, H. D
Format:	Artikel
Sprache:	eng
Schlagworte:	Age Factors Animals Artificial insemination besoin en main d' oeuvre Breeding - economics cerdas Copulation demanda de trabajo Female Hogs inseminacion artificial insemination artificielle Insemination, Artificial - veterinary labour requirements Litter Size mating systems methode d' accouplement Parity parto parturition productividad productivite productivity Random Allocation Reproduction sistemas de apareamiento sows Swine - physiology taille de la portee tamano de la camada truie
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