Body Conformation and Internal Organs Characteristics of Different Commercial Broiler Lines

Abstract

The aim of the study was to determine body weight and dimensions, body conformation, length of the esophagus, length of intestine and its segments, as well as weight of internal organs and their proportions relative the body weight of broiler chickens from three commercial lines -Ross 308, Hubbard Flex and Hubbard F15. At the age of 42 days, Ross 308 chickens had significantly (p≤0.05) shorter trunk, but greater chest circumference and compactness index, as well as shorter esophagus and longer large intestine compared with Hubbard F15. The longest large and total intestine was found in Ross 308 broilers. Chicken genotype had no significant effect on the percentage of the main internal organs, i.e. liver, heart, proventriculus, gizzard, and spleen. In the analyzed broilers, the coefficients of correlation between body weight and dimensions and the length of the esophagus, small intestine, caeca and large intestine were low and not significant. This study provides information relevant to breeding practice, including that the development of internal organs in broiler chickens raised under intensive conditions has an effect on their meat characteristics.

Effect of probiotic preparations (EM) and sex on morphometric characteristics of the digestive system and leg bones, and caecal microflora in broiler chickens

“…However, Mahajan et al (1999) observed significantly higher giblets values in probiotic-supplemented broiler chickens. In turn, Kokoszynski et al (2017) reported lower liver, heart, proventriculus and spleen percentage, and higher gizzard percentage in preslaughter body weight of 42day-old Ross 308 chickens compared to the results of the present study. Higher liver percentage in preslaughter body weight was also obtained by Hernandez et al (2004), Sharifi et al (2012) and Hossain et al (2012).…”

“…The group × sex interaction was not significant for the above traits. In an earlier study, Kokoszynski et al (2017) observed smaller total intestinal length (251.4 cm) in Ross 308 chickens aged 42 days, and Gabriel et al (2008) reported shorter small intestine in 44-day-old Ross PM3 males.…”

Effect of dietary supplementation of Lactobacilli and Streptococci cultures on the performance of broiler chickens

“…As there was no significant difference in final body weight of the birds, the relative weight of the internal organs also did not differ between treatments. Kokoszyński et al (2017) reported that there is no any significant difference in percentage weight of liver, heart, gizzard and spleen among Ross 308, Hubbard Flex, and Hubbard F15 broiler strains.…”

Body Morphometry and Development of the Digestive System of Grey Partridge (Perdix Perdix) Depending on Age and Gender

“…Birds were tape-measured with an accuracy of 1 mm for length of trunk with neck -body length (between the first cervical vertebra and posterior superior tuberosity of the ischium), length of trunk (between tuberosity of shoulder joint and posterior edge of the ischium), chest circumference (behind wings through anterior edge of the keel and middle thoracic vertebra), length of keel (from the anterior to the posterior edge of the keel), length of lower thigh (along the shin bone) and length of shank (between tarsal joint and posterior area of the fourth toe at its base). Body weight and body measurement values were used to calculate the body conformation indices of massiveness (percentage ratio of body weight in kg to trunk length in cm), compactness (percentage ratio of chest circumference to trunk length in cm) and long-leggedness (percentage ratio of shank length to body length in cm) (Kokoszyński et al, 2017).…”