June 4, 2022

The objective of this case report was to present an abnormal so cio-nutri-psychological behavior or tail-biting/chewing in weaned Holstein heifers. Dairy heifers raised under commercial systems are separated from their dams and moved to individual or group housing systems which are different from their natural environ ment. Cross-suckling and non-nutritive behaviors are common in heifers reared artificially under intensive systems, especially those with restricted milk feeding programs.

1.1. Aim: The primary objective of this study was to comapare laparoscopic colorectal cancer surgery vs open colorectal surgery on postoperative morbidity and mortality.

Hemorrhagic fever with renal syndrome (HFRS), a rodent-borne disease caused by hantaviruses, is clinically characterized by fe ver, circulatory collapse with hypotension, hemorrhage, and acute kidney injury. China has the largest number of HFRS cases world wide, with outbreaks occurring in both eastern coastal cities and inland cities, occasionally resulting in death, it is necessary to find loopholes in prevention and control measures to reduce the occur rence of such infectious diseases.