Laju penurunan populasi orangutan Kalimantan di habitat alam berada pada taraf yang mengkawatirkan. Program konservasi orangutan di Kalimantan Tengah untuk menyelamatkan orangutan di habitat aslinya, maka dilaksanakan ...

Good quality of sperm was necessary prepared in order to increase the efficacy of in vitro fertilization. The good quality of sperm could be obtained through selection using percoll density gradient centrifugation method. ...