The major signs are therefore small littersizes, mummified pigs of different sizes, and increases in pseudo-pregnancies and not-in-pigs.
猪细小病毒感染的主要症状是产仔少，产不同大小的木乃伊胎，假孕和空怀母猪数量的增多。
2
And there is equipment available now to sustain the increased littersizes modern genetics are affording us.
而现在已经有了很好的设备来支持现代品种增加的窝产仔数量。
3
The pet litter materials imported acrylic, the use of modular assembly, no screws, easy to incorporate and cleaning, can be placed indoors and outdoors, there are a variety of sizes, colors.