Citations with the tag: CATTLE -- Reproduction
Results 51 - 100
- RESEARCHES CONCERNING THE REPRODUCTION ACTIVITY ANALYZE IN A DAIRY FARM SUPPLYING PLOIESTI AREA.
Paul-Rodian, Tapaloaga; Alexandru, Şonea; Tapaloaga, Dana; Neagu, Iuliana; Vasile-Dorel, Gabor; Paraschivescu, Marcel Th.; Chisa, Eugen; Magdalena, Trandafir // Scientific Papers: Series D, Animal Science - The International ; Oct2011, Vol. 54, p201
Nowadays, dairy cows become more and more the modern production ways which have to be improved directly the quantity, quality and efficaciousness of the obtained yield. The problem of increasing the animal livestock, a better prolificacy and breed structure improvement are great objective of...
- Rancher's guide to diagnosing abortion.
McDONALD, STEVE // Missouri Ruralist; Apr2013, Vol. 153 Issue 4, pBP8
The article offers the author's view on diagnosing bovine abortion which is caused by leptospirosis.
- A new in-calf measure.
Burke, Chris // New Zealand Dairy Exporter; Aug2005, Vol. 80 Issue 13, p48
Focuses on measurement of calving performance in cows. Calving pattern in New Zealand; Ways to reduce empty calving rate; Impact of calving pattern on milk production of cows.
- Helping the suckler cow at calving.
Burke, Chris // Irish Farmers Monthly; Jan2010, p45
The article discusses ways to assist suckler cows at calving including heavy calves, pelvic size problems of cows and abnormally positioned calf. It suggests that one should ensure that the equipment needed for calving is washed and ready to use including ropes, lubricant gloves and calving...
- Reproduction required; benefi ts follow.
Newport, Alan // Dakota Farmer; Oct2011, following p94
The article reports that the seed-stock operation of Bradley 3 Ranch Ltd. near Childress, Texas has been improved by cattle reproduction selectivity. INSETS: Selection pressure is foundational;Industry effi ciency claims are thin.
- Consider milk EPDs an anti-maternal trait.
Newport, Alan // Ohio Farmer; Feb2013, Vol. 309 Issue 2, pBP7
The article discusses on breeding of cattle to increase their reproductive efficiency and informs that milk expected progeny difference (EPD) is a maternal trait.
- Treatment claims extra 10 days in milk.
Newport, Alan // New Zealand Dairy Exporter; Sep2009, Vol. 85 Issue 2, p140
The article deals with the use of Eprinex treatment in shortening the conception period in cows at calving. The treatment results to additional milk solids (MS) as shown by a trial on the farm of Gerry Reymer in Waikato, New Zealand in the 2006-2007 season. A comparison of MS produced by treated...
- WHEN THE HEAT IS ONï¿½.
Macmillan, Shirley // Farmers Weekly; 6/16/2006, Vol. 144 Issue 24, p52
This article deals with heat detection in dairy cows to determine mating conditions. As dairy herds become larger, heat detection is an increasingly important issue. Modern high-yielding Holsteins show heat less strongly, and it means they need watching more to reduce the cost of poor fertility...
- 'Buying' success -- at a cost.
Blackwell, Mark // New Zealand Dairy Exporter; Jul2010, Vol. 85 Issue 12, p104
The article discusses issues related to calving and reproductive performance in dairy cattle. The goal of dairy farmers is the efficient utilisation of grazed pasture and conversion into milksolids (MS), which contributes to a profitable dairy farm system. A source of how New Zealand dairy herds...
- Evaluating the reproductive performance of British beef and dairy herds using national cattle movement records.
Gates, M. C. // Veterinary Record: Journal of the British Veterinary Association;
National cattle movement databases provide a valuable opportunity to monitor the reproductive performance of breeding cattle on an industry-wide scale. In this analysis, records from the Cattle Tracing System database were used to derive key measures of reproductive efficiency for British beef...
- Pregnancy rates best indicator of cow fertility.
Balsom, Aly // Farmers Weekly; 9/16/2011, Vol. 156 Issue 12, p36
The article reports on the claim by Westpoint Vets veterinarian (vet) Jon Mouncey that farmers should focus on the pregnancy rates rather than on the calving interval to determine the fertility performance of a cow. Mouncey's statement was made at the 2011 Dairy Event and Livestock Show in Great...
- Increasing your profits -- Part III.
Hughes, Harlan // BEEF; Apr2005, Vol. 41 Issue 8, p8
This article discusses various issues related to maximization of profit in cattle trade. The data, described here in the article, can help one tweak management and convert 2005's missed profit opportunities into next year's added profit opportunities for one's cow herd. Integrated Resource...
- Another Synch Option?
Ferguson, C. E.; Godke, R. A. // BEEF; Aug2005, Vol. 41 Issue 12, p36
Focuses on the use of estrous cycle synchronization (ECS) as a way to handle and inseminate cattle. Efficiency of the ECS; Use of altrenogest for ECS; Effectiveness of ECS in beef cattle.
- Cumulative Risk of Bovine Mastitis Treatments in Denmark, Finland, Norway and Sweden.
Valde1, J. P.; Lawson, L. G.; Lindberg, A.; Agger, J. F.; Saloniemi, H.; �ster�s, O. // Acta Veterinaria Scandinavica; 2004, Vol. 45, p201
Data from the national dairy cow recording systems during 1997 were used to calculate lactation-specific cumulative risk of mastitis treatments and cumulative risk of removal from the herds in Denmark, Finland Norway and Sweden. Sweden had the lowest risk of recorded mastitis treatments during...
- The relationship between antibody status to bovine corona virus and bovine respiratory syncytial virus and disease incidence, reproduction and herd characteristics in dairy herds.
Ohlson, Anna; Emanuelson, Ulf; Tr�v�n, Madeleine; Alenius, Stefan // Acta Veterinaria Scandinavica; 2010, Vol. 52, p37
Background: Bovine respiratory syncytial virus (BRSV) and bovine corona virus (BCV) affects cattle worldwide. Our objective was to evaluate the effects of these infections on general health and reproduction parameters measurable on herd level and to explore the association between antibody...
- Derivation of standard lactation curves for South African dairy cows.
Mostert, B.E.; Theron, H.E.; Kanfer, F.H.J. // South African Journal of Animal Science; 2003, Vol. 33 Issue 2, p70
Standard Lactation Curves were derived for South African Holstein and Jersey cows, using 20 herd-, 18 age- and six season classes. Six herd classes were below and 13 above the average production level for both breeds. A standard lactation curve was estimated for each combination of herd-, age-...
- EFFECT OF SOME ENVIRONMENTAL FACTORS ON MILK ACETONE LEVEL AND THEIR RELATIONSHIP WITH MILK YIELD AND SOME CONTENTS.
Hana, Sameer S.; Ayied, Asaad Y.; Abdullrada, Ali J. // Basrah Journal of Agricultural Sciences; 2007, Vol. 20 Issue 2, p75
This study was conducted in some private farms at Al-Hartha, Basrah province. Milk samples (384) were collected from 16 cows for six month after calving. The aim was to study the effect of calving season, month after parturition, parity and milking time on milk acetone. Effect of acetone levels...
- Fertile Female.
Burt, Alaina // BEEF; Oct2007, Vol. 44 Issue 2, p39
The article provides information on the cow owned by Dennis Nelson about its production of a new calf in the U.S. It is mentioned that the cow with an identification tag number of 134 has given birth to her first calf on May 5, 2005 at just 15 months of age. It adds that at three years and seven...
- HAEMATOLOGICAL STUDIES IN CROSSBRED ANOESTROUS COWS.
Perumal, P.; Das, S.; Mohanty, D. N.; Barik, A. K.; Mishra, P. C.; Pattnaik, J. B. // Indian Journal of Field Veterinarians; 2010, Vol. 6 Issue 2, p7
A study was conducted on haematological studies in crossbred anoestrous cows. Blood samples were collected from 30 crossbred anoestrous cows (Gr-II) and compared with normal cyclic cows at oestrous (Gr-I). The blood parameters such as TWBC ,TRBC,Hb, HCT, ESR,TPLT, MCV ,MCH,MCHC,RDW ,MPVand PDW...
- Easy-calving policy is manager's dream.
Buss, Jessica // Farmers Weekly; 1/31/2003, Vol. 138 Issue 5, p39
Deals with the decision of Fiona Campbell, livestock manager at Oneholmes Farm in Middlesbrough, England, to change the beef breed of the farm for easy calving. Benefits of the easy-calving beef breed; Reasons for selecting the Salers heifer breed; Definition of easy-calving for Campbell.
- EFFECT OF GnRH ADMINISTRATION ON FERTILITY IN CROSSBRED DAIRY CATTLE.
Buss, Jessica // Indian Journal of Field Veterinarians; 2011, Vol. 6 Issue 3, p70
The article offers information on the research conducted by the authors related to the impact of GnRH administration on the fertility of dairy cattle. It states that administration of GnRH or its analogue provides necessary stimulus to initiate the estrus cycle by the release of gonadotrophins,...
- When will she calve?
THOMAS, HEATHER SMITH // Countryside & Small Stock Journal; Jan/Feb2009, Vol. 93 Issue 1, p92
The article offers information as to when a cow will give birth. It is stated that cows generally give birth about nine months and seven days after conception with an average length of the pregnancy being 283 days. One of the surest ways to predict calving is when a cow lets a person walk up and...
- Making certain of the right score.
Burke, Chris // New Zealand Dairy Exporter; Jun2006, Vol. 81 Issue 11, p85
Presents ways of maintaining the normal body condition score (BCS) at calving for cows and heifers. Method of calculating the feed requirement to add BCS to dry cows; Daily feed requirement of a 550 kilogram Holstein Friesian to add 0.5 BCS in 30 days.
- Tight calving block fits bill.
Macmillan, Shirley // Farmers Weekly; 4/29/2005, Vol. 142 Issue 17, p36
Explores the benefits of keeping suckler cows in a tight block. Definition of block calving according to suckler herd manager John Goodman; Ways for achieving a tight block; Methods used by Goodman for calving.
- Vet checks prove vital for getting cows back in calf.
Macmillan, Shirley // Farmers Weekly; 3/3/2006, Vol. 144 Issue 9, p50
The article discusses the importance of veterinary checking in getting cows back in calf and improve suckler herd performance. Veterinarian Kate Burnby of Livestock1st explained the risk of suffering uterine damage or developing infection among cows that have had an assisted calving, twins or...
- Cloned Replacement Tissues No Longer Science Fiction.
Macmillan, Shirley // Urology Times; Feb2000, Vol. 28 Issue 2, p23
Reports on the successful transfer of human DNA into enucleated bovine oocytes as explained by Advanced Cell Technology president and chief executive officer Michael D. West during the American Society for Reproductive Medicine annual meeting. Culture of small cluster of cells to produce...
- Setting Standards For Replacement Heifers.
Radke, Amanda // Beef Expert Blog; 6/ 8/2012, p8
The article offers tips for cattle farmers on managing replacement heifers. These tips are from John F. Grimes, Ohio State University Extension beef coordinator. Grimes highlights the importance of maintaining strict reproductive standards on female cows. Producers are advised to determine...
- The Value of Genetics.
Anderson, Les // BEEF Exclusive Insight; 1/14/2011, p14
The article discusses the Advanced Master Cattleman program sponsored by the Kentucky Beef Network and the Agriculture Development Board to determine if steers sired by artificial insemination (AI) bulls can perform better in the finishing phase and generate more revenue. The project was started...
- Cost & Conception Rate Hinder Use Of Sex-Sorted Semen.
Laudert, Scott // BEEF Exclusive Insight; 1/14/2011, p22
The article discusses the drawbacks on cost and conception rate by artificial insemination (AI) use of sexed semen. It indicates that beef-producers will have to pay double the cost for sexed semen as compared to non-sex sorted semen from the same bull. It notes a lower conception rate because...
- Strategically use sex-sorted semen.
Laudert, Scott B. // BEEF Exclusive Insight; 2/2/2011, p6
The article advises producers within the beef industry to use sex-sorted semen in a strategical manner to improve conception rates. It cites the disadvantages of artificial insemination (AI) use of sexed semen, including cost. It explains the additional cost for sexed semen, in comparison to...
- AI Efficiency Hinges On Many Factors.
Rutherford, Burt // BEEF Exclusive Insight; 2/3/2011, p2
The article focuses on factors that affect the artificial insemination (AI) of heifers during the breeding season which include weight, age and supplements. It focuses on the statement of George Perry, beef extension specialist at South Dakota State University about the lower number of heifers...
- Seven Tips For Ranching Success.
Stalcup, Larry // BEEF Exclusive Insight; 9/1/2011, p9
The article offers suggestions for rancher owner managers,. The value of investing on herd health plan is explained. It elaborates the importance of monitoring a calf's reproductive performance in terms of weaning rates. Tha article also advises about observing the supply of forage for grazing cows.
- Pregnancy-checking options for beef cattle.
Stalcup, Larry // BEEF Exclusive Insight; 1/7/2011, p13
Several letters to the editor are presented in response to articles in previous issues including "Preg-checking Options" in the November 2010 issue, "National ID -- Round 2," in the October 2010 issue and "Monumental Grab" in the November 2010 issue.
- Breed effects and individual heterosis for pregnancy, calving and weaning rates in Criollo, Guzerat and F1 cows.
Mart�nez Vel�squez, Guillermo; Monta�o Berm�dez, Mois�s; Palacios Fr�nquez, Jos� Antonio // Tï¿½cnica Pecuaria en Mï¿½xico; may-ago2006, Vol. 44 Issue 2, p143
Reproductive records of beef cows were collected in 2000, 2001, 2002 and 2003 to estimate direct and maternal genetic effects and to compare estrous (ER), pregnancy (PR), calving (CR) and weaning (WR) rates. Data was collected from Guzerat (G, n=202), Criollo (C, n=126), Criollo x Guzerat (CG,...
- Preg-Checking Options.
Thomas, Heather Smith // BEEF; Nov2010, Vol. 47 Issue 3, p32
The article offers tips on how to check cows for pregnancy in the U.S. It cites and discusses the advantages and disadvantages of the options for testing which cow-calf producers could choose from including palpitation, ultrasound, and blood test. It notes the reasons for pregnancy check which...
- Managing reproduction.
Teichert, Burke // BEEF; Nov2012, Vol. 49 Issue 3, p13
In the article, the author discusses about the issue of reproduction management in the U.S. cattle industry. He claims that said management includes the manipulation of genetics, nutrition, fertility and estrus, as well as marketing. He cites several ideas that could be helpful in establishing...
- Association between Neospora caninum seropositivity and perinatal mortality in dairy heifers at first calving.
Brickell, J. S.; McGowan, M. M.; Wathes, D. C. // Veterinary Record: Journal of the British Veterinary Association; 7/17/2010, Vol. 167 Issue 3, p82
Associations between Neospora caninum infection and the reproductive performance of dairy heifers in their first and second pregnancy on 18 UK farms were examined. Six-month-old heifer calves were tested for N caninum-specific antibodies with a commercial ELISA, and were then monitored until...
- Syncopated Synchronization.
Rutherford, Burt // BEEF; Mar2009, Vol. 45 Issue 7, p64
The article focuses on the artificial insemination (AI) which is use to synchronize the estrus cycle and to achieve a lifetime of cattle production. It explains how melengestrol acetate (MGA) benefits the breeding of cattle. Moreover, it cites the comment from David Patterson of University of...
- Winter Prep Essential For Beef Cowherd Management.
Gee, Amanda // Beef Expert Blog; 12/14/2012, p1
The article discusses techniques on how cattle producers in the U.S. can maintain the gain rate and protect their herd during the spring calving season. According to Purdue Extension beef specialist Ron Lemenager, cattle producers can help their cattle deal with cold-induced energy loss by...
- A comparison of production traits between horned and polled Romanian Brown Cattle.
Onaclu, Grigore; Pentelescu, Ovidiu; Jurco, Eugen // Animal Biology & Animal Husbandry; 12/30/2012, Vol. 4 Issue 2, p58
Cattle are subject to a multiple invasive and painful procedures which may have short term and long term consequences. Examples affecting cattle include castration, dehorning, branding and tail-docking. Selection and breeding of polled cattle has been proposed as an alternative because it...
- SALERS STILL THE ONE.
McDaniel, Joe // American Cattlemen; Feb2013, Vol. 39 Issue 2, p8
The article focuses on the growth in breeding and production of Salers cattle from Auvergne, France in North America. It states the continuous improvement in breed of Salers cattle was due to careful record-keeping and selective breeding promoted since 1852 in France. It also cites top ten...
- ANALYSIS OF MILK AND REPRODUCTIVE PERFORMANCE OF THE ACTIVE POPULATION OF COWS IN POLAND.
NEJA, Wojciech; JANKOWSKA, Małgorzata; SAWA, Anna; BOGUCKI, Mariusz // Journal of Central European Agriculture; Mar2013, Vol. 14 Issue 1, p91
Changes in the genotypic structure of cows, yield of milk, fat and protein, fat and protein content of milk, relationships between milk components, i.e. the protein to fat ratio (PFR) and the difference between fat and protein content (DFP) were examined using data from the Polish Federation of...
- New Excede administration locations.
NEJA, Wojciech; JANKOWSKA, Małgorzata; SAWA, Anna; BOGUCKI, Mariusz // Missouri Ruralist; Nov2012, Vol. 152 Issue 11, pBP2
The article reports that Pfizer Animal Health has introduced new techniques for the administration of exceed sterile suspension in cattle.
- Good young stock care critical.
Hobson, Sally // New Zealand Dairy Exporter; Jan2006, Vol. 81 Issue 6, p73
This article focuses on the importance of maximizing the growth potential of young heifers. Guidelines for liveweight targets of heifers are enumerated. It focuses on a comprehensive animal health plan for calves devised by Greg McNeil of Te Awamutu Veterinary Services. Benefits from earlier...
- Time for new goals as bull finishing target is met.
Marsh, Simon // Farmers Weekly; 3/22/2013, Vol. 159 Issue 12, p89
The article provides an update on 2011 bull calf finishing results and reveals some of the secrets to the finishing success at Hopping Farm in England. The 2011 crop calves had a carcass weight of 462 kilograms (kg) at just 440 days. Farmer Simon Frost successfully hit his lifetime target for...
- Right balance for suckler success.
Lawrence, Chrissie // Farmers Weekly; 2/17/2006, Vol. 144 Issue 7, p44
The article discusses the factors contributing to the success of calving an out-wintered suckler herd. Getting cows in the right condition through the summer is the key for a successful calving according to the Kettley family of Picketts Farm in Essex, England. Michael Richardson, EBLEX eastern...
- Achieving 365-day calving interval and 12-week calving spread in suckler Herds.
Woods, Adam // Irish Farmers Monthly; Feb2013, p30
The article offers tips on how to achieve a 365-day calving interval and a 12-week calving spread in suckler herds. It details the pregnancy rate that would be achieved if 100 cows were put to the bull and achieved 60 percent conception in each oestrous period. The effects of heat detection and...
- CATTLE REVIEW.
Woods, Adam // Livestock (Electronic); Nov2011, Vol. 16 Issue 7, p12
This section discusses research on the effects of lameness on cattle reproduction. A study in the journal "Theriogenology" has found that milk progesterone in lame cows is lower than the healthy ones. Another study in "Theriogenology" has shown that embryo reduction by manual amnion rupture does...
- Reproductive Technologies and Genomic Selection in Cattle.
Humblot, Patrice; Le Bourhis, Daniel; Fritz, Sebastien; Jacques Colleau, Jean; Gonzalez, Cyril; Guyader Joly, Catherine; Malafosse, Alain; Heyman, Yvan; Amigues, Yves; Tissier, Michel; Ponsart, Claire // Veterinary Medicine International; 2010, p1
The recent development of genomic selection induces dramatic changes in the way genetic selection schemes are to be conducted. This review describes the new context and corresponding needs for genomic based selection schemes and how reproductive technologies can be used to meet those needs....
- Herd Health News.
Humblot, Patrice; Le Bourhis, Daniel; Fritz, Sebastien; Jacques Colleau, Jean; Gonzalez, Cyril; Guyader Joly, Catherine; Malafosse, Alain; Heyman, Yvan; Amigues, Yves; Tissier, Michel; Ponsart, Claire // Farmer-Stockman; Feb2013, Vol. 103 Issue 2, pBP6
The article offers news briefs related to livestock as of February 2013 including grants offered by the U.S.-based company Pfizer Animal Health and information on the use of fecal egg count reduction tests (FECRTs).