Zoysia Grass has been traditionally grown from vegetative or hybrid (no seed) varieties. Now that the seeded versions of Zoysia Grass are available people are planting these quality seeded Zoysia varieties in droves.oysia Grass has been traditionally grown from vegetative or hybrid (no seed) varieties. Now that the seeded versions of Zoysia Grass are available people are planting these quality seeded Zoysia varieties in droves.
Yes cats can and will mate with siblings-they don't make choices about their reproduction like humans do, there's only hormones and instinct. Any kittens produced from a brother/sister pairing will be at greatly elevated risk for genetic deformities and diseases. Get the cats fixed and avoid the problem altogether.
It can be difficult to determine the sex of cats, especially if there is no other kitten with which to compare the anatomy. In most litters there will be both male and female kittens and sex determination is easy. Take a look at the photos below and it will make determining the sex of a kitten much easier.