Search Results - "Campo, JL"

Estimation of heritability for heterophil:lymphocyte ratio in chickens by restricted maximum likelihood. Effects of age, sex, and crossing by Campo, J L, Davila, S G

“…The objectives of the current study were to estimate the heritability of the heterophil to lymphocyte ratio and to evaluate the effects of age, sex, and…”
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Effect of heat and several additives related to stress levels on fluctuating asymmetry, heterophil:lymphocyte ratio, and tonic immobility duration in White Leghorn chicks by Prieto, M. T., Campo, J. L.

“…ABSTRACT The purpose of this study was to analyze the effects of heat and several additives related to stress on fluctuating asymmetry (groups 1 to 10),…”
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Effect of the Interaction Between Cryoprotectant Concentration and Cryopreservation Method on Frozen/Thawed Chicken Sperm Variables by Abouelezz, FMK, Castaño, C, Toledano‐Díaz, A, Esteso, MC, López‐Sebastián, A, Campo, JL, Santiago‐Moreno, J

“…This work examines the effect of the interaction between different concentrations of two cryoprotectants – glycerol (GLY) and dimethylacetamide (DMA) – and two…”
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Influence of Staining Method on the Values of Avian Sperm Head Morphometric Variables by Villaverde‐Morcillo, S, Esteso, MC, Castaño, C, Toledano Díaz, A, López‐Sebastián, A, Campo, JL, Santiago‐Moreno, J

“…Computer‐assisted systems for the assessment of sperm morphometry (ASMA systems) have been used successfully with several mammalian species. Unfortunately,…”
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Effects of specific noise and music stimuli on stress and fear levels of laying hens of several breeds by Campo, J.L., Gil, M.G., Dávila, S.G.

“…The purpose of the present study was to analyze the effects of specific sound stimuli on heterophil to lymphocyte ratio and tonic immobility duration of laying…”
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Influence of Season on the Freezability of Free-Range Poultry Semen by Santiago-Moreno, J, Castaño, C, Toledano-Díaz, A, Coloma, MA, López-Sebastián, A, Prieto, MT, Campo, JL

“…Contents The purpose of the present study was to examine the seasonal variation in freezing damage in free‐range rooster sperm. Over a period of 1 year,…”
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‘Alveolar recruitment strategy’ improves arterial oxygenation during general anaesthesia by Tusman, G, Böhm, S H, Vazquez de Anda, G F, do Campo, J L, Lachmann, B

“…Abnormalities in gas exchange during general anaesthesia are caused partly by atelectasis. Inspiratory pressures of approximately 40 cm H2O are required to…”
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Role of Sperm Velocity Variables Associated with Poultry Breed in ‘Last Male Precedence’ by Santiago‐Moreno, J, Castaño, C, Toledano‐Díaz, A, Esteso, MC, López‐Sebastián, A, Dávila, SG, Campo, JL

“…It is well known that when a hen mates with multiple roosters, it is the sperm of the last male that usually fertilizes most of the eggs (‘last male…”
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Effect of photoperiod on heterophil to lymphocyte ratio and tonic immobility duration of chickens by Campo, J L, Dávila, S G

“…The experimental objectives of the current study were to analyze the effects of photoperiod on heterophil to lymphocyte ratio and tonic immobility duration of…”
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Influence of perches and footpad dermatitis on tonic immobility and heterophil to lymphocyte ratio of chickens by Campo, J.L, Gil, M.G, Davila, S.G, Munoz, I

“…The purpose of the present study was to analyze the effect of perches and footpad dermatitis on stress and fear levels of chickens. In experiment 1 heterophil…”
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Estimation of heritability for fluctuating asymmetry in chickens by restricted maximum likelihood. Effects of age and sex by Campo, J.L, Gil, M.G, Davila, S.G, Munoz, I

“…The purposes of the present study were to estimate the heritability of the fluctuating asymmetry in chickens, using the restricted maximum likelihood…”
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Influence of mating ratio and group size on indicators of fearfulness and stress of hens and cocks by Campo, J L, Dávila, S G

“…The effects of the male to female mating ratio on the heterophil to lymphocyte ratio and duration of tonic immobility (indicators of stress and fearfulness,…”
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Association between plumage condition and fear and stress levels in five breeds of chickens by Campo, J L, Gil, M G, Torres, O, Davila, S G

“…Duration of tonic immobility and heterophil to lymphocyte ratio (indices of fear and stress, respectively) were compared in hens having very poor or perfect…”
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Relationships between bilateral asymmetry and tonic immobility reaction or heterophil to lymphocyte ratio in five breeds of chickens by Campo, J L, Gil, M G, Muñoz, I, Alonso, M

“…Bilateral asymmetry of several morphological traits, tonic immobility reaction, and leucocyte ratio were studied in hens and cocks from four Spanish breeds of…”
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Internal inclusions in brown eggs: relationships with fearfulness and stress by Campo, J.L, Garcia Gil, M

“…Tonic immobility reaction and heterophil: lymphocyte ratio (indices of fearfulness and stress, respectively) were studied in hens laying eggs with or without…”
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Tonic immobility reaction and heterophil to lymphocyte ratio in hens from three Spanish breeds laying pink eggshells by Campo, J.L. (Instituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria, Madrid, Spain.), Redondo, A

“…Tonic immobility reaction and heterophil: lymphocyte ratio were studied in hens laying pink eggs from three brown egg Spanish breeds (Barred Red Vasca, Red…”
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Experimental study of the efficiency of a reduced index in Tribolium by Campo, J L, Turrado, H

“…The relative efficiency of a reduced index (IR) relative to a full index (IF) was compared in an experiment with Tribolium. The selection objective included…”
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Realized heritability of tonic immobility in White Leghorn hens: a replicated single generation test by Campo, J L, Carnicer, C

“…Fearfulness was measured as latency to recover from induced tonic immobility using White Leghorn hens from a population originated by crossing three different…”
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Experimental comparison between selection for residual feed consumption and feed conversion ratio in Tribolium by Campo, J.L, Turrado, H

“…Summary Selection for residual feed consumption based on genotypic regression (RE) was compared with selection for feed conversion ratio (RA) using two…”
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The hypostatic genotype of the recessive White Prat breed of chickens by Campo, J.L. (Area de Genetica Animal, Madrid, Spain.)

“…The genetics of the plumage color of the White Prat breed of chicken was studied. Results of crosses between the White Prat breed and Recessive Wheaten (ey/ey)…”
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