Mostrando 1,401 - 1,420 Resultados de 11,636 Para Buscar '"Cowes"', tiempo de consulta: 0.35s Limitar resultados
  1. 1401
    “…The objective of this study was the serological, bacteriological and molecular diagnosis, as well as the molecular characterization of Mycobacterium avium subsp. paratuberculosis (Map) in adult cows of five Colombian dairy herds. Serum samples were tested by an indirect absorbed enzyme–linked immunosorbent assay (ELISA-C). …”
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  2. 1402
    “…Dairy cows are often fed high grain diets to meet the energy demand for high milk production or simply due to a lack of forages at times. …”
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  3. 1403
    “…AnAFB(1)-KLH was used for immunization of cows proving to induce a long lasting titer of anti-AFB(1) IgG antibodies (Abs) which were cross reactive with AFB(1), AFG(1), and AFG(2). …”
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  4. 1404
    “…CONCLUSIONS: The present data indicate that there is a low seroprevalence of Leptospira in Swedish dairy cows. These findings can be used as baseline data to investigate the effects of, for instance, climatic change or alterations in wildlife reservoir populations on the seroprevalence of Leptospira in the future.…”
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  5. 1405
    “…BACKGROUND: Cow's milk allergy (CMA) is one of the most prevalent human food-borne allergies, particularly in infants and young children from developed countries. …”
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  6. 1406
  7. 1407
  8. 1408
    “…Milk production responses after treatment were poor in meagre animals and clinically relevant higher milk production responses were observed in first-lactation animals and in cows with a high (0.3–0.5 optical density ratio (ODR)), but not a very high (≥0.5 ODR) F. hepatica ELISA result on a milk sample from the previous lactation. …”
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  9. 1409
    “…In December of 3 years, 87 beef cows with nursing calves (594 ± 9.8 kg; calving season, September to November) at side were stratified by body condition score, body weight, cow age, and calf gender and divided randomly into 6 groups assigned to 1 of 6 cool-season annual pastures (0.45 ha/cow) that had been interseeded into a dormant common bermudagrass (Cynodon dactylon [L.] …”
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  10. 1410
    “…RESULTS: The overall herd-level prevalence rate for SCM was 85.33% (256/300 heads of cows) while the quarter-level prevalence rate of SCM was 43.25% (519/1,200 quarters). …”
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  11. 1411
    “…Similar situation occur to allergy to cow´s milk (CMA), the prevalence reported is 1 to 17.5% in preschoolers, 1 to 13.5% in 5 to 16-year-olds, and 1 to 4% in adults. …”
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  12. 1412
  13. 1413
    “…Longitudinal phenotypic data for milk yield (kg), ratio of fat-protein content in milk during first lactation, and lifespan (d) from 40,065 cows were adjusted for environmental and genetic effects using a Bayesian framework. …”
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  14. 1414
    “…The aims of this study were to investigate the role of cow's milk allergy as a cause of chronic constipation and effect of cow's milk free diet (CMFD) on its treatment in children. …”
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  15. 1415
    “…BACKGROUND: Uterine infections in dairy cows lower profitability of dairy operations. Infections of the reproductive tract are related to the overgrowth of pathogenic bacteria during the first three weeks after parturition. …”
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  16. 1416
    por Lettat, Abderzak, Benchaar, Chaouki
    Publicado 2013
    “…Using cDNA and DNA, respectively, we aimed to discriminate the active microbes from the total microbial community within the rumen of dairy cows fed diets with increasing proportions of corn silage (CS). …”
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  17. 1417
    “…Milk processing technologies for the control of cow’s milk protein allergens are reviewed in this paper. …”
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  18. 1418
    “…In the face of a steady decline in dairy cow fertility over several decades, using hormones to assist reproduction has become common. …”
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  19. 1419
  20. 1420
    “…BACKGROUND: Tie-stall housing of dairy cows is used extensively worldwide, despite of the welfare concerns regarding the restriction of voluntary movement and limitation of expression of the cows’ natural behaviour. …”
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