Effectiveness of nano-selenium and astaxanthin and their mixture added to the diet in the liver histological traits of broiler

Abstract

 This study was conducted at Al-Anwar Poultry Company , located Babil Governorate, for a period of 35 days  11/8/2020 until 12/12/2020, in order to demonstrate the effect of nano-selenium and astaxanthin and their mixture added to the diet on the histological characteristics of the liver of broiler  . where 315 broiler chicks, one day old, unsexed, were used. The average weight of  chicks was 40 g, divided randomly into 7 treatments, and each treatment consisted of 3 replicate, with 15 chicks for each replicate, the treatments were as follows: T1: control treatment without addition, T2, T3: addition ( 0.3, 0.5 ) mg nano- selenium/kg, T4, T5: add ( 60, 70 ) mg astaxanthin /kg, T6:  addition (0.3 + 60) mg nano- selenium and astaxanthin/ kg. T7 :  addition (0.5 + 70) mg nano- selenium and astaxanthin/ kg

The histological slide of the liver in the treatment of adding nano-selenium at a concentration of 0.3 mg / kg feed (T3) and astaxanthin treatment 60 mg / kg feed (T4) showed a normal appearance of the liver  anormal appearance of the hepatic vein, hepatocytes and sinusoids when compared with the rest of the treatments.

.  Treatments T1, T2, T5, T6, and T7 displayed congestion in the hepatic vein and the exudation of inflammatory cells (white blood cells) and fibrosis around the blood vessels in experience  treatments .