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multispecies sward
lecture 6
| Question | Answer |
|---|---|
| grass family is called | Pooideae |
| perennial ryegrass | Lolium perenne |
| characteristics of perennial ryegrass | good digestibility, palatibility,high CHO grows well in good nitrogen soils |
| too much perennial ryegrass causes | loss of biodiversity |
| health concerns for animals fed on perennial ryegrass | rumen acidosis and laminitis |
| symptoms of acidosis include | the rumen stops moving and ph drops to 5.5 |
| symptoms of laminitis include | damage to hoofs and to the coffin bone which lead to lameness |
| transgressive overyielding | more grass from a mixture of species than from a monoculture |
| effect on nematode eggs in a mixture of grasses | less survive |