Results 11 to 20 of about 148,897 (216)

Levels of Supplementation for Grazing Beef Heifers [PDF]

open access: yesAsian-Australasian Journal of Animal Sciences, 2014
The objective of this experiment was to evaluate the effect of providing different levels of a supplement on the nutritional characteristics and productive performance of heifers on pasture during the rainy-dry transition and dry season in Brazil or tropical area.
Carla Heloisa Avelino Cabral   +7 more
openaire   +3 more sources

Probability of pregnancy in beef heifers [PDF]

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2014
This study aimed to evaluate the influence of initial weight, initial age, average daily gain in initial weight, average daily gain in total weight and genetic group on the probability of pregnancy in primiparous females of the Nellore, 1/2 Simmental + 1/2 Nellore, and 3/4 Nellore + 1/4 Simmental genetic groups.
Faria, D.P.   +6 more
openaire   +4 more sources

Effects on Synchronization and Reproductive Efficiency of Delaying the Removal of the Intravaginal Progesterone Device by 24 h in the 5d Co-Synch Protocol in Heifers

open access: yesAnimals, 2021
In beef herds, increasing animal welfare, improving reproductive performance and easing animal management are key goals in farm economics. We explored whether delaying the removal of the intravaginal progesterone device by 24 h in heifers synchronized ...
Aitor Fernandez-Novo   +6 more
doaj   +1 more source

Production, carcass characteristics and valuable cuts of beef breed bulls and heifers in Finnish beef cattle population

open access: yesAgricultural and Food Science, 2015
The objective of the present study was to determine growth and carcass traits of beef breed bulls and heifers in the Finnish beef cattle population. The data collected from Finnish slaughterhouses included observations of 6323 and 2385 Hereford (bulls ...
Maiju Pesonen, Arto Kalevi Huuskonen
doaj   +1 more source

The effect of gender status on the growth performance, carcass and meat quality traits of young crossbred Holstein-Friesian×Limousin cattle [PDF]

open access: yesAnimal Bioscience, 2021
Objective The objective of this study was to compare growth performance, carcass traits and meat quality in young bulls, steers and heifers produced by crossing Limousin bulls with Holstein-Friesian cows, fattened semi-intensively and slaughtered at 18 ...
Paulina Pogorzelska-Przybyłek   +3 more
doaj   +1 more source

Performance of beef heifers supplemented with extruded fat on italian ryegrass pasture

open access: yesActa Scientiarum: Animal Sciences, 2016
 Productive and reproductive performance of beef heifers grazing on Italian ryegrass (Lolium multiflorum Lam.) were analyzed, comprising animals exclusively on pasture and supplemented animals with extruded fat (0.15 or 0.30% of body weight). The grazing
Dalton Roso   +5 more
doaj   +1 more source

Nutritional Programming of Beef Heifers

open access: yesThe Third International Tropical Agriculture Conference (TROPAG 2019), 2020
Sustainability of beef cattle production is, in part, dependent on a supply of females selected andadapted to meet the production environment of a given operation. [...]
Tryon Wickersham   +2 more
openaire   +2 more sources

Biomass flows and defoliation patterns of alexandergrass pasture grazed by beef heifers, receiving or not protein salt

open access: yesActa Scientiarum: Animal Sciences, 2014
The experiment aimed at evaluating leaf biomass flow, intensity and frequency of defoliation of Alexandergrass (Urochloa plantaginea (Link) Hitch) by beef heifers exclusively on pasture or that grazed and received protein salt.
Lidiane Raquel Eloy   +5 more
doaj   +1 more source

Transcriptome data of peripheral white blood cells from beef heifers collected at the time of artificial insemination

open access: yesData in Brief, 2018
The reproductive performance of heifers within their first breeding season influences the success of beef cattle operations. Therefore, a means to identify infertile and late breeding heifers before the start of the breeding season holds great promise ...
Sarah E. Dickinson, Fernando H. Biase
doaj   +1 more source

The Nasopharyngeal, Ruminal, and Vaginal Microbiota and the Core Taxa Shared across These Microbiomes in Virgin Yearling Heifers Exposed to Divergent In Utero Nutrition during Their First Trimester of Gestation and in Pregnant Beef Heifers in Response to Mineral Supplementation

open access: yesMicroorganisms, 2021
In the present study, we evaluated whether the nasopharyngeal, ruminal, and vaginal microbiota would diverge (1) in virgin yearling beef heifers (9 months old) due to the maternal restricted gain during the first trimester of gestation; and (2) in ...
Samat Amat   +10 more
doaj   +1 more source

Home - About - Disclaimer - Privacy