Relevant bibliographies by topics / Scrotal circumference

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Academic literature on the topic 'Scrotal circumference'

Author: Grafiati
Published: 4 June 2021
Last updated: 10 February 2022

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Journal articles on the topic "Scrotal circumference"

1

Jiyanto, Jiyanto, and Pajri Anwar. "Hubungan Lingkar Skrotum dengan Kualitas Semen Sapi Kuantan Riau." Jurnal Ilmu Peternakan Terapan 3, no. 1 (2019): 19–24. http://dx.doi.org/10.25047/jipt.v3i1.1671.

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The aim of this study was to determine the correlation between scrotal circumference and semen quality of the Riau Kuantan cattle. The study was conducted in Benai District, Kuantan Singingi Regency. The material used was 15 Kuantan bulls. The parameters observed were scrotal circumference, semen quality and the correlation between scrotal circumference and semen quality. The results of this study indicated that the size of Kuantan cattle scrotum circumference was 23.06 cm; viability 76.67%; and motility 58%. The results of regression analysis which conducted on scrotal circumference for the v
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Jiyanto, Jiyanto, and Pajri Anwar. "Hubungan Lingkar Skrotum dengan Kualitas Semen Sapi Kuantan Riau." Jurnal Ilmu Peternakan Terapan 3, no. 1 (2019): 19–24. http://dx.doi.org/10.25047/jupiter.v3i1.1671.

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The aim of this study was to determine the correlation between scrotal circumference and semen quality of the Riau Kuantan cattle. The study was conducted in Benai District, Kuantan Singingi Regency. The material used was 15 Kuantan bulls. The parameters observed were scrotal circumference, semen quality and the correlation between scrotal circumference and semen quality. The results of this study indicated that the size of Kuantan cattle scrotum circumference was 23.06 cm; viability 76.67%; and motility 58%. The results of regression analysis which conducted on scrotal circumference for the v
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Póti, P., S. Bedó, M. Mézes, and J. Tózser. "Estimating reproduetion ability of Hungarian Merino rams*." Archives Animal Breeding 42, no. 5 (1999): 459–68. http://dx.doi.org/10.5194/aab-42-459-1999.

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Abstract. Scrotal circumference, testosterone content of blood serum, libido and sperm quality parameters of Hungarian Merino breeding and young rams were examined according to seasons by the authors in a farm. In the case of matured rams a seasonal effect was observed both in scrotal circumference and testosterone content of blood serum (measured two hours later after exogenous GnRH treatment) and sperm quality. In the case of young rams no seasonal effect was observed. It was found that the scrotal circumference of young rams and the testosterone content of blood serum (two hours after exoge
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T'zsér, J., and M. Mézes. "COMPARISON OF THREE METHODS FOR ADJUSTING SCROTAL CIRCUMFERENCE IN CHAROLAIS, LIMOUSIN AND HUNGARIAN FLECKVIEH YOUNG BULLS UNDER FARM CONDITIONS." Acta Veterinaria Hungarica 47, no. 1 (1999): 33–40. http://dx.doi.org/10.1556/avet.47.1999.1.3.

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This study was conducted to compare three different methods for calculating scrotal circumference (ASC1, ASC2, ASC3) adjusted to 365 days of age in Charolais, Limousin and Hungarian Fleckvieh young bulls at the end of the self-performance test. Young breeding bulls from three Charolais, Limousin and Hungarian Fleckvieh breeding farms (farm A: n = 40; farm B: n = 9; farm C: n = 11) were used. The young bulls were kept in loose housing system, in small groups, and fed a diet based on maize silage and concentrate. The scrotal circumference of young bulls was measured at the widest part of the scr
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Murray, PJ, JB Rowe, and DW Pethick. "Effect of season and nutrition on scrotal circumference of Merino rams." Australian Journal of Experimental Agriculture 31, no. 6 (1991): 753. http://dx.doi.org/10.1071/ea9910753.

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In 3 experiments, groups of 5 Merino rams were individually fed a pelleted ration at maintenance (1 kg/day), with or without 750 g/day of lupin grain, and kept indoors under conditions of natural light and temperature. Measurements of scrotal circumference and liveweight were made during winter, spring-summer and autumn, for periods of 42-49 days. Ambient temperatures and daylengths were recorded. The season of the experiment affected the rate of change of scrotal circumference. Rams fed the maintenance diet showed a pattern of increasing scrotal circumference, starting in late spring after th
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Qadarsina, Qadarsina, Dasrul Dasrul, and Sri Wahyuni. "Konsentrasi Hormon Testosteron Kerbau Simeulue dan Korelasinya dengan Tingkat Umur dan Lingkar Skrotum." Jurnal Agripet 19, no. 1 (2019): 13–21. http://dx.doi.org/10.17969/agripet.v19i1.8692.

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ABSTRAK. Penelitian ini bertujuan mengetahui konsentrasi hormon testosteron kerbau Simeulue dan korelasinya dengan tingkat umur dan lingkar skrotum. Sebanyak 15 ekor kerbau Simeulue jantan dibagi dalam tiga kelompok yaitu umur 2,1-3,0 tahun; 3,1-4,0 tahun, dan 4,1-5,0 tahun. Parameter yang diamati terdiri dari lingkar skrotum dan konsentrasi hormon testosteron. Data yang diperoleh dianalisis dengan analisis varian satu arah dan selanjutnya diuji dengan uji berganda Duncan. Untuk mengetahui hubungan antara umur, lingkar skrotum dengan konsentrasi hormon testosteron digunakan analisis regresi se
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Crews Jr., D. H., and D. J. Porteous. "Age of dam and age at measurement adjustments and genetic parameters for scrotal circumference of Canadian Hereford bulls." Canadian Journal of Animal Science 83, no. 2 (2003): 183–88. http://dx.doi.org/10.4141/a02-080.

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The objective of the study was to estimate age of dam and age at measurement as adjustment factors for scrotal circumference in Canadian Hereford bulls (n = 9029) and to estimate genetic parameters for scrotal circumference, and birth and yearling weights. Quadratic effects of age at measurement and the interaction of age of dam with age at measurement were not important. Adjustment factors recommended for yearling bulls were 1.02, 0.33, 0.10, and 0.16 cm to adjust scrotal circumference of sons of 2-, 3-, 4-, and ≥ 10-yr-old cows to a mature dam (5 to 9 yr of age) equivalent. The linear partia
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GIZAW, Solomon, and C. J. THWAITES. "Changes in liveweight, body condition and scrotal circumference and their relationships with sexual activity and flock fertility in Ethiopian Horro rams over a 3-cycle joining period." Journal of Agricultural Science 128, no. 1 (1997): 117–21. http://dx.doi.org/10.1017/s0021859696003978.

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Ten single-sire mating groups of 13 Horro ewes per ram were used to study the effects of mating on liveweight, body condition and scrotal circumference changes and their relationships with level of sexual activity at different stages of the joining period, and effects of sexual activity and pre-joining liveweight and scrotal circumference on fertility. Mating had adverse effects on liveweight, body condition and scrotal circumference. There was a tendency for mean daily liveweight loss to increase with increasing number of services during the period of peak sexual activity and over the whole j
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Abba, A., A. R. Mustapha, U. M. Bamanga, et al. "Pelvic and Testicular Biometry of Sahel Goats in Maiduguri, Nigeria." Sahel Journal of Veterinary Sciences 18, no. 1 (2021): 1–5. http://dx.doi.org/10.54058/saheljvs.v18i1.212.

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This study was carried out to document the pelvic and testicular biometric characteristics of Sahel goats. Record of body weight, body condition score, height at withers, scrotal length, scrotal circumference and external pelvic circumference were obtained from 400 male and 600 female Sahel goats. All the goats were approximately 1.5 years old and weighing 14 to 18 kg, with body condition score of 3 or 4 (scale of 1-5). The mean bodyweight of Sahel bucks was 15.12 ± 1.10 kg while that of Sahel does was 13.22 ± 1.12 kg, height at withers in bucks and does were 52.22 ± 1.20 cm, and 48.13 ± 1.23
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COULTER, G. H., and D. R. C. BAILEY. "TESTICULAR DEVELOPMENT OF SALERS BULLS TO ONE YEAR OF AGE." Canadian Journal of Animal Science 68, no. 3 (1988): 961–64. http://dx.doi.org/10.4141/cjas88-106.

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Scrotal circumference measurements were taken on 255 Salers bulls located at five growth performance test stations at the 56-d (26.9 ± 0.2 cm), 84-d (28.8 ± 0.2 cm) and 140-d weighings (30.8 ± 0.2 cm) in 1986, and on 248 Salers bulls located at four test stations at the 140-d weighing (31.3 ± 0.1 cm) in 1987. The estimated scrotal circumference measurement for Salers bulls at 365 d of age was 29.4 cm. Test station, percentage of Salers breeding within test station, sire of bull within year and test station, and the covariate body weight all contributed to the variance in scrotal circumference
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Dissertations / Theses on the topic "Scrotal circumference"

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Grunschloss, Sonica. "Association between horn size anthropometrical parameters and scrotal circumference of gemsbok bulls (Oryx gazella)." Diss., University of Pretoria, 2017. http://hdl.handle.net/2263/63217.

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Commercial game breeding practices place immense pressure on the selection of antelope species with long horns and improved genetics in order to maximise their monetary values. Current hunting policies are aimed at the longest-horned individuals within a population and the longevity of such individuals is drastically reduced. Eliminating long-horned animals from natural populations will shift their dynamics toward young and inexperienced males carrying short horns. In order to either support or dissuade current gaming industry directives, the genuine influence of extra-long horns on the m
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Kealey, Courtney Gail. "Estimation of genetic parameters of yearling scrotal circumference and semen characteristics in line 1 Hereford bulls." Thesis, Montana State University, 2004. http://etd.lib.montana.edu/etd/2004/kealey/KealeyC0805.pdf.

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Objectives of this research were to estimate heritabilities of scrotal circumference and semen traits, and genetic correlations among these traits and birth weight. Line 1 Hereford bulls (n = 841), born in 1963 or from 1967 to 2000, were selected for use by USDA-ARS at Miles City, Montana or for sale. Semen was collected by electro-ejaculation when the bulls were approximately one year of age (mean = 446d) and all samples were evaluated by one person. Traits analyzed were scrotal circumference, color, volume, concentration, swirl, motility, and percents normal, live, abnormal heads, abnormal m
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Fossceco, Stewart Lee. "Logistic growth curve parameter estimates for scrotal circumference and relationships with female reproduction in crossbred sheep." Diss., Virginia Tech, 1991. http://hdl.handle.net/10919/37241.

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Data from two groups of lambs were analyzed. In group one, seasonal patterns of testis growth through 16 mo of age were assessed on 40 spring-born ram lambs (eight Barbados Blackbelly, 10 Suffolk and 22 1/2-Dorset, 1/4-Finnish Landrace, 1/4-Rambouillet). Scrotal circumference (sc) and body weight (wt) were measured at mean ages of 30, 62, 96, 124, 153, 180, 212, 243, 290, 333, 364, 398, 427, 454, 488 and 517 d. A multivariate repeated measures analysis indicated that there were breed differences in ram sc and wt measurements at each age. When logistic growth curves were fit to ram sc data, bre
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Silva, Márcio Ribeiro. "Estudo genético quantitativo das características andrológicas de touros jovens da raça Nelore /." Jaboticabal : [s.n.], 2009. http://hdl.handle.net/11449/104935.

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Resumo: Diante do grande impacto da fertilidade dos touros sobre as eficiências reprodutiva e produtiva em rebanhos comerciais, o presente trabalho foi realizado visando avaliar as características testiculares e seminais como critérios de seleção de touros jovens da raça Nelore. As correlações fenotípicas foram, de modo geral, baixas ou nulas (P<0,01) entre as características testiculares, seminais e de crescimento. Todas as características testiculares ou seminais deverão ser contempladas no exame andrológico, visto a independência existente entre as mesmas e a importância destas na comprovaç
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Miyasaki, Alex Arikawa. "RELAÇÃO DO VOLUME TESTICULAR COM O NÍVEL SÉRICO DE TESTOSTERONA E CRESCIMENTO CORPORAL EM BRAHMAN DOS OITO AOS 18 MESES DE IDADE." Universidade do Oeste Paulista, 2014. http://bdtd.unoeste.br:8080/tede/handle/tede/307.

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Made available in DSpace on 2016-01-26T18:55:42Z (GMT). No. of bitstreams: 1 Alex Miyasaki.pdf: 314698 bytes, checksum: 1d8bbeb1da7a5e1f383fc57d9361d819 (MD5) Previous issue date: 2014-06-25<br>Aimed to study the relationship of testicular volume with serum testosterone level and body growth in Brahman cattle from 8 to 18 months of age, during the weaning period, kept at pasture in collective weight gain. Cattle (n = 40) aged 259.76 ± 26.15 days and weight of 239.71 ± 33.94 kg , were evaluated every 56 days during 294 days, totaling six measurements for body weight (BW), scrotal circumferenc
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Santana, Júnior Mário Luiz. "Parâmetros genéticos de características reprodutivas de touros e vacas Gir Leiteiro." Universidade Federal de Viçosa, 2009. http://locus.ufv.br/handle/123456789/5589.

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Made available in DSpace on 2015-03-26T13:54:43Z (GMT). No. of bitstreams: 1 texto completo.pdf: 393689 bytes, checksum: 76b78277f76d70442e3dd050c28c6dd2 (MD5) Previous issue date: 2009-01-20<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Data of 2,274 semen output from 200 sires, 7,055 measurements of age at first calving (AFC) from females and 141 measurements of scrotal circumference (SC) were used to determine genetic parameters for reproductive traits of males and females of Dairy Gyr breed. Were studied physical aspects such as volume (VOL), concentration (CONC), vig
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Cipriano, Vivian Taís Fernandes. "Perímetro Escrotal: Marcadores Moleculares, Bioquímicos e sua Influência na Produção In Vitro de Embriões em Bovinos." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/17/17135/tde-21052014-141946/.

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Os programas de melhoramento genético objetivam a seleção de animais geneticamente e fenotipicamente superiores. Dentre as características selecionadas para aumentar o ganho genético do rebanho, o perímetro escrotal destaca-se por sua alta herdabilidade e correlação com precocidade sexual, peso do animal e morfologia espermática. A seleção fenotípica para perímetro escrotal pode ser auxiliada pela junção da DEP PE 365 (diferença esperada na progênie para perímetro escrotal aos 365 dias) com a biotecnologia reprodutiva PIVE (produção in vitro de embriões), e tecnologias moleculares como o uso d
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Pinzón, Andrés Chaparro. "Uso de haplótipos e SNPs em estudos de seleção e associação genômica para características reprodutivas em bovinos da raça Nelore /." Jaboticabal, 2019. http://hdl.handle.net/11449/182148.

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Orientador: Lucia Galvão de Albuquerque<br>Resumo: As características reprodutivas são fundamentais para a rentabilidade do sistema produtivo de gado de corte. Contudo, características como idade ao primeiro parto (IPP) e perímetro escrotal (PE) possuem desvantagens para serem utilizadas em programas de melhoramento genético tradicional, uma vez que são mensuradas em só um sexo e podem apresentar baixa herdabilidade. Nas últimas décadas os avanços nas tecnologias de análise de DNA têm permitido o desenvolvimento de procedimentos estatísticos como estudos de associação (GWAS) e seleção genômica
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Oliveira, Tiago Almeida de. "Estimação de parâmetros genéticos para características de crescimento, reprodução e categóricas em uma população de bovinos de corte compostos (Bos taurus x Box indicus) sob abordagem bayesiana e modelos lineares generalizados mistos." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/11/11134/tde-26102012-101917/.

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Os objetivos deste trabalho foram avaliar diferentes modelos de seleção com base nos efeitos aleatórios maternos considerados para características de crescimento e perímetro escrotal, estimar parâmetros genéticos para pesos do nascimento aos 12 meses (pesos ao nascer, a desmama e aos 12 meses de idade); perímetro escrotal aos 12 meses e correlações genéticas entre as características para bovinos compostos Montana Tropical, em análises uni, bicaracterísticas. Estimar parâmetros genéticos para as características categóricas de musculosidade, precocidade e conformação aos 12 meses em modelos uni
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Silva, Márcio Ribeiro [UNESP]. "Estudo genético quantitativo das características andrológicas de touros jovens da raça Nelore." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/104935.

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Made available in DSpace on 2014-06-11T19:33:32Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-02-18Bitstream added on 2014-06-13T20:25:12Z : No. of bitstreams: 1 silva_mr_dr_jabo.pdf: 414659 bytes, checksum: 6652a4427059f17af722c81fb586a4e3 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Diante do grande impacto da fertilidade dos touros sobre as eficiências reprodutiva e produtiva em rebanhos comerciais, o presente trabalho foi realizado visando avaliar as características testiculares e seminais como critérios de seleção de touros jovens da raça Nelo
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Books on the topic "Scrotal circumference"

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Eguia, Eduardo Perez. Effects of zeranol on growth, scrotal circumference, semen characteristics and spermatogenic tissues of young beef bulls. Agricultural Experiment Station, Cooperative Extension Service, College of Agricultural and Home Economics, New Mexico State University, 1992.

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Conference papers on the topic "Scrotal circumference"

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Hara, Kazuo, Masato Furukawa, and Masahiro Inoue. "Behavior of Three-Dimensional Boundary Layers in a Radial Inflow Turbine Scroll." In ASME 1993 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/93-gt-138.

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A detailed experimental investigation was carried out to examine the three-dimensional boundary layer characteristics in a radial inflow turbine scroll. Some basic flow phenomena and growth of secondary flow were also investigated. In the inlet region of the scroll, the incoming boundary layer begins to have the skewed nature, namely the radially inward secondary flow caused by the radial pressure gradient. From the inlet region to the one third of the scroll circumference, the secondary flow grows so strongly that the most of the low momentum fluid in the incoming boundary layer are transport
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Patri, Vrushabhendra V., Uday K. Meduri, Giuseppe Iurisci, and Marco Giachi. "CFD Modeling to Study the Effect of Spacer Design on Centrifugal Compressor Exit Scroll Performance." In ASME 2013 Gas Turbine India Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gtindia2013-3593.

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Present day Centrifugal Compressor (CC) technology trend is moving towards innovative designs for improved performance. Computational Fluid Dynamics (CFD) plays an important role in the assessment and improvement of CC component design. Statoric parts like inlet plenum, diffuser, return channel, and exit scroll play a vital role in determining the overall performance of any compressor. Exit scrolls (volute) are an integral part of any CC. A volute is essentially a flow collecting duct with its cross-section area increasing around the circumference as more volume of fluid is added. There are di
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