Weiss, R R

• Vol 12, No 1 (2007) - Preventive Veterinary Medicine
  Use of ultrasonography exams to determinate the parturition day by Yorkshire canine breed
  Abstract  PDF (Português (Brasil))
• Vol 13, No 1 (2008) - Preventive Veterinary Medicine
  Impact of age at calving on lactation and reproduction performance at the first-parity holsteins
  Abstract  PDF (Português (Brasil))