Animal Culling
Mostrando 1-11 de 11 artigos, teses e dissertações.
-
1. A simulation model to evaluate the economic consequences of insemination programs in dairy herds: timed artificial insemination and sex-sorted semen
ABSTRACT The objective of this study was to develop a simulation model to analyse the technical, economic, and financial performance of using different reproductive strategies in dairy herds. Strategies simulated were: artificial insemination (AI) using conventional semen after oestrus detection (AIC), AI using sex-sorted semen after oestrus detection (AIS),
R. Bras. Zootec.. Publicado em: 29/11/2018
-
2. BREED AND CARCASS CHARACTERISTICS ON LOSSES BY BRUISES AND MEAT PH IN BEEF OF STEERS AND CULLING COWS
Resumo Objetivou-se avaliar os efeitos de grupo genético, maturidade e escore de gordura de acabamento de bovinos sobre perdas por contusões e valor do pH final da carcaça de bovinos machos e fêmeas. O número de contusões e o valor final do pH das carcaças foram avaliados como variável resposta em função do grupo genético, da maturidade fisiológi
Ciênc. anim. bras.. Publicado em: 24/07/2017
-
3. Diagnosis of mycobacteria in bovine milk: an overview
ABSTRACT Tuberculosis remains as the world’s biggest threat. In 2014, human tuberculosis ranked as a major infectious disease by the first time, overcoming HIV death rates. Bovine tuberculosis is a chronic disease of global distribution that affects animals and can be transmitted to humans by the consumption of raw milk, representing a serious public healt
Rev. Inst. Med. trop. S. Paulo. Publicado em: 05/06/2017
-
4. Acidentes de trabalho relacionados ao abate de bovinos em Mato Grosso, Brasil
Abstract Introduction Cattle rising in the southern Amazon have grown rapidly, being Mato Grosso one of the top states in meat production. This growth led to the hiring of more workers to the chilling activity, increasing the number of workplace accidents in this sector. Objective To analyze the influence of slaughter cattle on occupational accidents and t
Cad. saúde colet.. Publicado em: 26/02/2016
-
5. Efeito do desenvolvimento corporal da primeira inseminação até o primeiro desmame, no desempenho e descarte até o terceiro parto de fêmeas suínas Landace X large White / Effect of live weight development from first ai to first weaning on performance and culling until third farrowing of landrace x large white sows
O objetivo deste estudo foi verificar a associação do desenvolvimento de peso corporal da 1º inseminação até o 1º desmame com o desempenho reprodutivo, produção de leitões e taxa de descartes até o 3º parto, em 196 primíparas Landrace x Large White, usando modelos de regressão logística. O peso corporal (PC) foi medido na inseminação artific
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2012
-
6. Efeito do peso ao nascer e do tamanho da leitegada ao nascimento no desempenho de fêmeas puras Landrace até a puberdade / Effectofbirth weightandlitter size of femalepurelandrace ontheir performanceuntil puberty
The aim of this study was to evaluate the effect of litter size in which gilts were born and of their individual birth weight on mortality and cullingof these gilts until the moment of selection and on occurrence of puberty. The study evaluated 1525 landrace gilts, identified and weighted until 18 hours after birth. The gilts were also weighed on weaning (n=
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2011
-
7. Frequência de suínos soropositivos para Salmonella sp. em granjas afetadas em diferentes níveis de severidade pela Síndrome Multissistêmica de Definhamento do Leitão Desmamado= Frequency of Salmonella seropositive pigs in farms affected by different severity levels of the Post-weaning Multisystemic Wasting Syndrome / Frequency of Salmonella seropositive pigs in farms affected by different severity levels of the Post-weaning Multisystemic Wasting Syndrome
Background: The Post-weaning Multisystemic Wasting Syndrome (PMWS) has caused considerable losses due to mortality and wasting of pigs and has been often associated with co-infections with other viral or bacterial agents. At the present time, PMWS is the most important infectious disease syndrome in the Brazilian swine production. With a variety of symptoms,
Publicado em: 2011
-
8. Avaliação do SWAB conjuntival para o diagnóstico da Leishmaniose visceral canina por PCR-Hibridização / Evaluation of the conjunctival SWAB for canine visceral Leishmaniasis diagnosis by PCR-Hybridization
The visceral leishmaniasis (VL) in Brazil is caused by Leishmania chagasi (L. infantum) and dogs are considered to be the main domestic reservoir. Therefore the correct diagnosis is very important in order to avoid the disease transmission or unnecessary culling of dogs. The aim of this study was to evaluate the conjunctival swab (CS) as a noninvasive sampli
Publicado em: 2008
-
9. Quantative-genetic analysis of productive efficiency in a canchin beef cattle herd. / Análise genético-quantitativa da eficiência produtiva de um rebanho bovino da raça Canchim.
Genetic parameters for body weight at weaning (PD), at twelve months of age (P12), at first calving (PPP) and at adult age (PAD), condition score at calving (ECP) and at first calving (EPP), growth curve parameters A (asymptotic weight) and k (maturation rate), age at first calving (IPP), culling age (TPR, days in herd), number (ND10) and kilograms (QD10) of
Publicado em: 2004
-
10. A meta-analysis review of the effects of recombinant bovine somatotropin: 2. Effects on animal health, reproductive performance, and culling
This manuscript presents the results of a review of the effects of recombinant bovine somatotropin (rBST) on dairy cattle health, reproductive performance, and culling, that was carried out by an expert panel established by the Canadian Veterinary Medical Association (CVMA). The panel was established by the CVMA in response to a request from Health Canada in
-
11. Salmonella Muenster infection in a dairy herd
The overall purpose of this study was to provide information on animal and occupational health associated with the infection of a dairy herd with Salmonella Muenster that would be useful in the management of dairy herds so infected. This retrospective, longitudinal report records a 2-year infection of a 140-cow dairy herd with S. Muenster, which was likely i