Good semen quality is a vital tool for the rapid improvement of fertility by allowing maximum
use of genetically improved roosters. Evaluation of the best quality semen for different …

The increased consumption of protein derived from poultry demands greater poultry
production, but increased poultry production (meat and eggs) is dependent on the fertility of …

Birds have long been used as models to investigate the regulation of male reproductive
processes and in particular of testicular function. In many species, the exocrine and …

The aim of this study, was to evaluate the effect of rooster strain (Indigenous and Ross-308
broiler breeder roosters) on semen quality. Total of 90 semen samples were collected from …

The present study was undertaken in the Blue rock pigeon (Columba livia) to evaluate the
annual semen characteristics, to identify a suitable extender for semen short-term storage, to …

Objective This study was conducted to compare morphological defects, viability, motility
(MOT), fertility (F), and hatchability (H) in four Korean native chicken breeds (KNCBs), and to …

It is well documented that aging has negative effects on fertility. With increasing age, the
activity of antioxidant enzymes are reduced and because of roosters sperm composition, a …

An experiment was conducted to determine the effect of varying dietary supplemental
inclusion levels of onion and garlic mixture on semen quality characteristics of Koekoek …

The study was conducted to determine the semen characteristics of three genotypes of
Nigerian indigenous cocks. Thirty Six (36) local breeding cocks comprising of 12 frizzle, 12 …

The goal of present study was to evaluate the effect of Indigenous broiler breeder rooster
age on some of the semen quality parameters. For this research, 15 Indigenous broiler …