We evaluated the physicochemical characteristics of crossbred bulls with European or zebu genetic predominance fed in feedlot with diets with high concentrate (80%) and grain millet levels to replace corn grain (0, 33, 66 and 100%).
Rodrigo Medeiros da Silva +5 more
doaj +1 more source
NÍVEIS PERIFÉRICOS DE TESTOSTERONA TOTAL EM TOUROS GUZERÁ
Twenty-four Guzerat bulls were evaluated from 24 to 34 months of age, aiming to determinate the bulls serum testosterone concentration profile and their variation according to age, body weight and andrologic traits.
Juliano Cesar Dias +4 more
doaj +1 more source
Conventional Versus Accelerated Dry-Aged Meat: Chemical and Sensory Profiles of Longissimus lumborum Muscles From Nellore and Angus × Nellore Crossbreeds. [PDF]
ABSTRACT The objective of this study was to compare the effects of dry aging by conventional (28 days aged; NF28d) and accelerated (frozen/thawed and 14 days aged; FT14d) processes on the sensory and chemical (fatty acids, FA; volatile organic compounds, VOC; and amino acids; AA) profiles of striploins from Nellore and crossbreed F1 Angus × Nellore ...
Guimarães AS +6 more
europepmc +2 more sources
Interrogation of modern and ancient genomes reveals the complex domestic history of cattle [PDF]
The analysis of mitochondrial and nuclear DNA sequence polymorphisms from modern cattle populations has had a profound impact on our understanding of the events surrounding the domestication of cattle.
Achilli +116 more
core +1 more source
Effective researches assessing the efficiency of cattle herds in Northern Brazil are incipient. This study aimed to evaluate the direct additive and maternal genetic trends of weights adjusted to 205 (P205), 365 (P365) and 550 (550) days of age in ...
Tânia Vasconcelos Cavalcante +5 more
doaj +3 more sources
Resource partitioning among African savanna herbivores in North Cameroon: the importance of diet composition, food quality and body mass [PDF]
The relationship between herbivore diet quality, and diet composition (the range of food plants consumed) and body mass on resource partitioning of herbivores remains the subject of an ongoing scientific debate.
Brunsting, A.M.H. +6 more
core +2 more sources
Trace element nutrition in the tropical zebu cattle type : lessons from the Gilgel Gibe catchment, Ethiopia [PDF]
In the tropics, cattle are majorly dependent on natural pastures growing on poor soils and as a result prone to trace element deficiencies. This work investigated several aspects of trace element nutrition in zebu (Bos indicus) cattle, the most widely ...
Dermauw, Veronique
core +3 more sources
Signatures of Selection for Environmental Adaptation and Zebu × Taurine Hybrid Fitness in East African Shorthorn Zebu [PDF]
El ganado East African Shorthorn Zebu (EASZ) es un antiguo híbrido entre el zebu asiático y el ganado taurino africano preferido por los agricultores locales debido a su adaptabilidad al medio ambiente africano. Los controles genéticos de estas adaptabilidades aún no se entienden claramente.
Hussain Bahbahani +16 more
openaire +5 more sources
Several models have been developed to evaluate reproductive status of cows through concentration of progesterone in milk, the effect of sex selection in the commercial production of herds and bioeconomic performance of the multiple ovulation and embryo ...
Renato Travassos Beltrame +3 more
doaj +1 more source
Studies on restricted suckling in dual purpose and dairy breed cattle in Mexico [PDF]
The aim of this thesis was to investigate the effects of rearing calves by restricted suckling (RS) compared to artificial rearing (AR) in dual purpose and dairy breed cattle in Mexico, milked once or three times a day, respectively.
Fröberg, Sofie
core

