Feromoninnehållande substansers inverkan på hjärtfrekvensen hos tjur

During the last 50 years the production of milk per cow has increased. This has, however, been followed by a decreased reproductive performance. Shorter and more indistinct signs of oestrus make it harder for the Swedish farmers to discover when the cows are in oestrus. There is a need for ways to c...

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Detalles Bibliográficos
Autor principal: Jergil, Erik
Formato: Otro
Lenguaje:sueco
sueco
Publicado: 2009
Materias:
Acceso en línea:https://stud.epsilon.slu.se/11806/

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