Abstract
ABSTRACT The objective of this study was to evaluate live weight and carcass traits, from birth to slaughter, and meat quality of Nellore (NEL), Curraleiro Pe-Duro (CPD), and crossbred (F1) products in the state of Piaui, Brazil. Progenies from CPD, NEL, and their F1 crossbred (½ NEL + ½ CPD), a total of 252, males and females, from birth to 24 months of age, were evaluated in a comparative study in growth performance. The steers were sent to slaughter at [...]
Highlights
The Brazilian cattle herd is the largest commercial herd in the world with over 212,3 million heads (IBGE, 2014)
Carcass weight, dressing percentage and Longissimus dorsi area were evaluated; an index was created by the relationship between these measures per hundred kg of chilled carcass produced
No differences were found in dressing percentage between Nelore and F1, but Curraleiro Pé-Duro (CPD) and F1 showed significantly higher Rib eye area2 (REA) and INDEX than NEL
Summary
The Brazilian cattle herd is the largest commercial herd in the world with over 212,3 million heads (IBGE, 2014). It consists mainly of zebu breeds, being Nellore (B. indicus; NEL) and its crossbreeds around 80% of the National herd. According to Athanassof (1946), a local breed of cattle named Curraleiro in some states, such as Goiás and Tocantins, and Pé-Duro in others, such as Piauí and Maranhão, is a well-adapted bovine that has not yet been improved; it is originated from bovines introduced in Brazil by the Portuguese and Spaniards during the colonization period. According to Cardoso et al (2016), Curraleiro Pé-Duro breed had the lowest surface temperatures regardless of the period evaluated, with fewer animals that suffered with climatic conditions; so, this may be considered the best adapted when heat-challenged under experimental conditions compared with Nellore and Pantaneiro cattle
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