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| Registros recuperados: 389 | |
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| Fernandez Aguirre, Hector; Perez Mata, Luz Elena; Godoy Avila, Salvador; Reyes Lopez, Alfonso; Valdes Rodriguez, Victor M.; Prado Delgado, Alberto; Lagarda Murrieta, Angel; Castro Medina, Ruben; Ramirez Contreras, Carlos Efren. |
| The Secretaria de Fomento Agropecuario del Estado de Coahuila created at the express request of rural producers, the program of agricultural and rural extension, in order to lead the field a comprehensive system of technical assistance, supported by technology that generate research institutions , and backed by highly trained technicians, committed to sustainable rural development. Among the main objectives of the program in the case of crops, is raising yields and improve their quality, and in the case of livestock, increase productivity and maintain the health of cattle ranches. The extension program, began in 2006 with two specific programs: one in Cotton, in the laguna region, and another in Bovine, in 23 municipalities of the entity; for 2007, are... |
| Tipo: Journal Article |
Palavras-chave: Agricultural and rural extension program; Yields; Productivity; Health; Cattle; Crops; Agribusiness. |
| Ano: 2009 |
URL: http://purl.umn.edu/48603 |
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| Ott, Stephen L.. |
| The National Animal Health Monitoring System (NAHMS) Beef '97 Study collected data on the marketing practices of 2,713 beef cow-calf producers representing 85.7% of all beef cows as of January 1, 1997, in 23 leading cow-calf states. Of the operations included in the study, 67.4% sold steer calves, and 52.1% sold heifer calves for slaughter in the year preceding the study. By number of operations, auction was the most common method of selling steers (84.9% of operations) and private treaty was the second most popular marketing method (10.4% of operations). By number of steers sold, private treaty was the most common marketing method. For operations selling either steer or heifer calves, smaller operations were more likely to use auctions as a marketing... |
| Tipo: Report |
Palavras-chave: NAHMS; Beef; Cattle; Cow-calf; Epidemiology; Economics; Marketing; Management; Weaning; Auctions; Income; Forward pricing; Futures contracts; Livestock Production/Industries. |
| Ano: 1998 |
URL: http://purl.umn.edu/32793 |
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| Araujo Andrade, Luis Alberto; Cruz Pacheco, Eraclio del Jesus. |
| The problem to investigate is the permanent disequilibrium of Mexican commercial balance of cattle heads and meat regarding United States during the period 1993-2007. The objective is shows that the inequality productive structure on cattle heads and meat that exists between Mexico and American Union, through commercial exchange of those products impact the commercial balance. The methodology used was the consult of international trade and productive aspects of cattle to both countries and the use of structuralism economic theory for the information analysis. The results obtained shows that the inequality structure between both nations (United States as centre and Mexico as periphery) on items such as herd size; integration to meat industry; meat... |
| Tipo: Journal Article |
Palavras-chave: Structure; External Disequilibrium; Centre; Periphery; Cattle; Heard; Meat.; Agribusiness. |
| Ano: 2010 |
URL: http://purl.umn.edu/93912 |
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| Caviglia-Harris, Jill L.. |
| In developing countries across the globe the impact of livestock on deforestation levels has been profound. This paper explores the role of the cattle industry in household decision making for small landholders in the Brazilian Amazon. Important inquiries raised in the literature are addressed, including the determinants of the co-evolution of deforestation and cattle herds, the possibility of production specialization, and the role of cattle in household livelihoods. Panel data suggest that households have changed focus from crop introduction to cattle. Empirical models reveal that location, wealth, and education are among the important determinants of production decisions and cattle accumulation. Policy recommendations include a focus on the cattle... |
| Tipo: Journal Article |
Palavras-chave: Latin America; Brazil; Household production; Land use; Cattle; Deforestation; Land Economics/Use; Livestock Production/Industries. |
| Ano: 2005 |
URL: http://purl.umn.edu/10233 |
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| Rees, Lisa; Parcell, Joseph L.; Patterson, David J.. |
| The product life cycle of the new value added marketing strategy that a quality heifer program created in adding, a new product (heifers with additional value characteristics) is explored. The new product that will be examined is related to the Show-Me Select Heifer Replacement program. The Tier II program has essentially created a new product (higher quality bred heifers) by using minimum EPD accuracies for calving ease along with expected calf and carcass performance measurements. The hedonic study shows that that the Tier II heifers receive a premium compared to traditional Show-Me-Select heifers. The first year Tier II heifers came on the market in 2008 they received a discount of $24 as compared to regular Show-Me-Select Heifers. However, the... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Value Added; Life Cycle; Heifers; Cattle; Hedonic; EPD; Demand and Price Analysis; Farm Management. |
| Ano: 2011 |
URL: http://purl.umn.edu/103880 |
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| Dargatz, David. |
| The NAHMS Beef '97 Study was designed to provide both participants and the industry with information on the nation's cow-calf population for education and research. The USDA's National Agricultural Statistics Service (NASS) collaborated with NAHMS to select a statistically-valid sample yielding 2,713 producers from 23 states. The 23-state target population represented 85.7 percent of U.S. beef cows on January 1, 1997, and 77.6 percent of U.S. beef operations. NASS enumerators collected data for this report via a questionnaire administered on-farm from December 30, 1996, through February 3, 1997. Contact for this paper: David Dargatz |
| Tipo: Report |
Palavras-chave: NAHMS; Beef; Cattle; Cow-calf; Labor; Identification; Weaning; Marketing; Breeding; Calving; Livestock Production/Industries. |
| Ano: 1997 |
URL: http://purl.umn.edu/32742 |
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| Ott, Stephen L.. |
| The National Animal Health Monitoring Systems (NAHMS) Dairy +96 Study of dairy herds in 20 states examined herd management practices that varied between high-producing (top 25%) and low-producing (bottom 25%) U.S. dairy herds. Only 100% Holstein herds were included in the study. Within four size categories (30-99 cows, 100-199 cows, 200-499 cows, 500 or more cows) herds were ranked by milk production per cow. High-producing herds were more likely to use Dairy Herd Improvement Association records or an on-farm computer system than low-producing herds. High-producing herds were also more likely to feed a total mixed ration, use forage test results in balancing feed rations, use bovine somatotropin (bST) and/or systematic prostaglandins, and vaccinate against... |
| Tipo: Report |
Palavras-chave: NAHMS; Dairy; Cattle; Monitoring; Epidemiology; Economics; Holsteins; Production; Diseases; Vaccinations; Culling; Feed; Livestock Production/Industries. |
| Ano: 1997 |
URL: http://purl.umn.edu/32750 |
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| Ott, Stephen L.. |
| In 1995 and 1996, prices for weaned calves were at the lowest point for the current cattle market cycle. The National Animal Health Monitoring System (NAHMS) Beef ,97 Study examined the effects of the down market on beef cow-calf herd management practices. Most producers did not alter management practices in response to the down market. Among producers who made changes, costs were cut largely in the area of herd health management. Specific management practices in which costs were cut included decreases in use of vaccinations (7.4% of operations), herd medications (7.7% of operations), individual cow medications (5.0% of operations), and veterinary services (14.1% of operations). Other ways that producers altered management practices in response to the down... |
| Tipo: Report |
Palavras-chave: NAHMS; Beef; Cattle; Cow-calf; Epidemiology; Economics; Marketing; Management; Vaccinations; Medications; Veterinarians; Culling; Livestock Production/Industries. |
| Ano: 1998 |
URL: http://purl.umn.edu/32794 |
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| Bjornlund, Britta; Cochrane, Nancy J.; Haley, Mildred M.; Hoskin, Roger; Liefert, Olga; Paarlberg, Philip L.. |
| This report examines the restructuring of the livestock sectors in five countries: Russia, Ukraine, Poland, Hungary, and Romania. All five countries experienced a decline in both animal inventories and meat output during the early years of transition away from a centrally planned economy. ERS, in cooperation with Purdue University, developed five general equilibrium models depicting the economies of each nation. The models were used to evaluate capital investment at different stages of production; the rise in land prices that would result from a better functioning land market; reduced marketing costs; increased availability of credit; and, the creation of off-farm employment to draw labor out of agriculture. The study identifies potential trade and... |
| Tipo: Report |
Palavras-chave: Livestock sector; Eastern Europe; Centrally planned economy; Cattle; Dairy; Beef; Pork; Poultry; Hogs; Property rights; Trade; Investment; Reform; Livestock Production/Industries. |
| Ano: 2002 |
URL: http://purl.umn.edu/33977 |
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| Ibarburu, Maro A.; Lawrence, John D.; Busby, Darrell. |
| Carcass data from more than 38,000 cattle was used to compare the called and measured yield grade in two different periods: before and after the slaughter plant incorporated another grader in the line to improve grading accuracy. The study shows that the graders accuracy significantly increased. The higher accuracy affected all yield grades, but most notably resulted in more called yield grade 4 and 5 carcasses. This analysis will develop insight of what will be the effect of instrument grading that will be more accurate than previously called grades.The results are expressed as the conditional distribution of the called yield grade for a given value of the measured yield grade. The pricing grid currently used by the industry was used to analyze the effect... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Cattle; Carcass grading; Accuracy; Economics of grading. |
| Ano: 2007 |
URL: http://purl.umn.edu/37558 |
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| Good, Darrel L.; Irwin, Scott H.; Isengildina, Olga. |
| This study investigates the impact of six major USDA reports in hog and cattle markets: Cattle; Cattle on Feed; Cold Storage; Hogs and Pigs; Livestock, Dairy, and Poultry Outlook (LDPO); and World Agricultural Supply and Demand Estimates (WASDE). A TARCH-in-mean model, with dummy variables to measure the impact of USDA reports and other external factors, is used to model close-to-open live-lean hog and live cattle futures returns from January 1985 through December 2004. The analysis revealed a statistically significant impact of all but Cattle and Cold Storage reports in live/lean hog futures, and all but Cold Storage reports in live cattle futures. Hogs and Pigs reports had the highest impact on live/lean hog returns by increasing conditional standard... |
| Tipo: Journal Article |
Palavras-chave: Cattle; Event study; Hogs; Livestock; Public information; TARCH model; USDA reports; Livestock Production/Industries; Marketing. |
| Ano: 2006 |
URL: http://purl.umn.edu/8614 |
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| Lohakare,Jayant; Pattanaik,Ashok Kumar. |
| In order to compare the effects of addition of fluorine (F) in diets differing in protein content on the urinary F excretion, blood profile and thyroid hormones, 30 crossbred calves (6-8 months) initially exposed to different protein levels were allotted into six groups in a 3 × 2 factorial design. The factors included three different levels of protein: normal (NP; 100%), low (LP; 75%), and high (HP; 125%) besides two levels of supplemental fluorine (as sodium fluoride) at 0 or 200 mg/kg diet. The animals were fed a wheat straw-based diet for 210 d. Feeding NP diets decreased urinary fluoride excretion, measured at 42 d intervals, compared with LP diets. Blood levels of hemoglobin and haematocrit, measured at 70 d intervals, were not affected by either... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Blood; Cattle; Concentrate; Fluorosis; Sodium fluoride; Urine. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013001000009 |
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| Pereira,Angélica Simone Cravo; Santos,Marcos Veiga dos; Aferri,Gabriela; Corte,Rosana Ruegger Pereira da Silva; Silva,Saulo da Luz e; Freitas Júnior,José Esler de; Leme,Paulo Roberto; Rennó,Francisco Palma. |
| The objective of this study was to evaluate the effect of lipid and selenium sources in diets for finishing Nellore steers on the fatty acid composition and selenium concentration of the longissimus muscle. Fifty Nellore steers (body weight = 458±39 kg) were assigned to one of six dietary treatments: 1) diet containing sunflower seed and inorganic selenium; 2) sunflower seed and organic selenium; 3) whole cottonseed and inorganic selenium; 4) whole cottonseed and organic selenium; 5) soybeans and inorganic selenium; and 6) soybeans and organic selenium. Diets were formulated with the same amount of nitrogen and calories and supplied once daily to steers in collective pens, with three animals per pen, for 120 d. At the end of the trial, steers were... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Antioxidant; Cattle; Longissimus; Soybean seed; Sunflower seed; Whole cottonseed. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012001100009 |
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| Braga,Jercyane Maria da Silva; Valadares,Rilene Ferreira Diniz; Pellizzoni,Samantha Gusmão; Valadares Filho,Sebastião de Campos; Prates,Luciana Louzada; Costa e Silva,Luiz Fernando. |
| The objectives of this experiment were to estimate the endogenous excretion of purine derivatives (PD), the intake and digestibility of nutrients, the urinary excretion of PD from the intake of total digestible nutrients (TDN) and digestible organic matter (DOM) in Nellore heifers. Eight heifers, 267±17 kg body weight (BW), were assigned to two 4 × 4 latin squares. The planned treatments were four dry matter intake (DMI) levels: 10, 14, 18 and 22 g/kg BW. The diet contained 70% corn silage and 30% concentrate. The endogenous losses were obtained by regression between excretion of PD (mmol/BW0.75) and DMI (g/BW0.75). When PD excretion (mmol/d) was related to the intake of DOM and TDN (kg/d), the following equations were obtained: ŶPD= 32.98 + 21.94*DOM and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cattle; Endogenous excretion; Microbial protein. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000800014 |
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| Clauss,Marcus; Hummel,Jürgen. |
| ABSTRACT Herbivores face the dilemma that the level of feed intake is negatively related to factors that determine digestive efficiency, such as thoroughness of ingesta comminution by chewing, and retention of digesta in the digestive tract. Ruminants have evolved particular adaptations to solve this dilemma. Most ruminants share the characteristic of “digesta washing”: fluid moves through their digestive tract faster than particles, thus effectively washing very fine particles, such as bacteria, out of the digesta plug. As the forestomach is followed by auto-enzymatic digestion, this allows a continuous, increased harvest of microbes from the forestomach. True rumination only evolved twice, in the camelids and the true ruminants. These both evolved a... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cattle; Digesta washing; Foregut fermenter; Microbial harvest; Microbiome. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982017000700606 |
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| Registros recuperados: 389 | |
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