標題: Titlebook: Calving Problems and Early Viability of the Calf; A Seminar in the EEC B. Hoffmann,I. L. Mason,J. Schmidt Book 1979 ECSC, EEC, EAEC, Brusse [打印本頁] 作者: Detrusor-Muscle 時間: 2025-3-21 19:35
書目名稱Calving Problems and Early Viability of the Calf影響因子(影響力)
書目名稱Calving Problems and Early Viability of the Calf影響因子(影響力)學科排名
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書目名稱Calving Problems and Early Viability of the Calf讀者反饋
書目名稱Calving Problems and Early Viability of the Calf讀者反饋學科排名
作者: 使隔離 時間: 2025-3-21 22:13 作者: terazosin 時間: 2025-3-22 03:36 作者: Cumulus 時間: 2025-3-22 07:47 作者: ANTH 時間: 2025-3-22 12:01 作者: transdermal 時間: 2025-3-22 16:38
Hibiki Kawamata,Giovanni Manfredihe Blue Belgian breed. This selection has succeeded in producing supermeaty animals of very high value for the butcher but has increased calving difficulties to a large extent..Data concerning this problem are analysed and the following points are studied: annual increase in difficult calvings, infl作者: transdermal 時間: 2025-3-22 17:02
Giovanni Manfredi,Hibiki Kawamatariesian and partly with German Brown dams, was studied. The characters studied were 60 – 90 day non-return rate, gestation lengthy calving performance and peri- and postnatal losses. Altogether 2 044 crossbred and 5 676 straightbred matings were performed on 741 farms..The only positive effect of cr作者: MAZE 時間: 2025-3-22 22:45 作者: 污穢 時間: 2025-3-23 01:38 作者: neuron 時間: 2025-3-23 07:26 作者: Heretical 時間: 2025-3-23 13:07
T1 Black Holes and Gray Matter Damageers..In the present investigation, the relative importance of genetic factors, divided into characters relating to the calf and those concerning the dam, was analysed. A heritability of 10% was found for calving performance of both the direct and the maternal character at first calving. For stillbir作者: orthodox 時間: 2025-3-23 16:45 作者: 勤勉 時間: 2025-3-23 20:40 作者: 強行引入 時間: 2025-3-23 23:38 作者: APO 時間: 2025-3-24 04:20 作者: hazard 時間: 2025-3-24 10:00
Hibiki Kawamata,Giovanni Manfrediuence of the sire, the type and birth weight of the calf, the age of the mother. Data on crosses between Blue-White bulls and Black-and-White cows are also given. The problem of selection against calving difficulties in the Blue-White breed is discussed.作者: 手銬 時間: 2025-3-24 12:20
Selection for Double-Muscling and Calving Problemsuence of the sire, the type and birth weight of the calf, the age of the mother. Data on crosses between Blue-White bulls and Black-and-White cows are also given. The problem of selection against calving difficulties in the Blue-White breed is discussed.作者: 急性 時間: 2025-3-24 16:17
f the European Communities, as part of the EEC programme of co- ordination of research on beef production. The programme was drawn up by a combined scientific working group on Genetics and Selection and on Nutrition and Management on behalf of the Beef Production Committee. The working group consist作者: 發(fā)酵 時間: 2025-3-24 21:40
Other Neurodegenerative Conditions higher for male calves than for female calves..Selection on gain parameters has negative side effects on calving performance. Therefore, selection after performance test should be based on an index in which birth weight or starting weight is kept constant.作者: 一加就噴出 時間: 2025-3-25 02:15 作者: SPALL 時間: 2025-3-25 07:14
M. Rovaris,E. Perego,M. Filippias 16, 36, 45 and 3%, respectively. Most of the essential correlations were low or moderate, correlations among body measurements generally being high. Estimates of heritability for calving performance are slightly higher than reported elsewhere.作者: 出生 時間: 2025-3-25 10:47 作者: 正式演說 時間: 2025-3-25 12:54 作者: 空氣 時間: 2025-3-25 18:01
CEC). The subject chosen for this seminar was drawn from the list of priorities in research objectives drawn up in 1973 by members of a committee (now the Standing Committee on Agricultural Research, (~PRA). One of the functions of this series of seminars was to summarise and update the information available978-94-009-9317-4978-94-009-9315-0作者: 無法治愈 時間: 2025-3-25 20:07
Summary of the Session on Hodologyd German Brown (Braunvieh). The information at hand from the FRG seems, in the opinion of the reviewers, to justify a separate description of the German scene..The third section deals with the situation in the other countries of the EEC, based on the limited information available to the reviewers. I作者: BYRE 時間: 2025-3-26 03:30
G. R. Uhl,D. A. Appleby,T. N. Nishimorithe present goal of the suckler cow herds which is primarily that of reducing the costs related to herd management..Most cases of calving difficulty observed in beef populations result from an incompatibility between the size of the calf and the pelvic opening of the dam. Modifications in size and m作者: Canvas 時間: 2025-3-26 07:10
Giovanni Manfredi,Hibiki Kawamataoriginating from southern Germany (German Brown x German Simmental or German Yellow)..Calving problems were considerably increased by breeding large-framed bulls to German Friesian but not to German Brown cows. These problems are due to heavier birth weights of calves and to some extent are responsi作者: interlude 時間: 2025-3-26 10:00
Nicole Naniche,Daniela Sau,Piera Pasinellisting programme sire/breed ranking for increasing calving difficulty was; Chianina, Limousin, Charolais. Regressing calving assistance on sire progeny average birth weight indicated from 1 to 40% increase in calving difficulty for an increase of 1 kg in birth weight of calves..Calf weight as a perce作者: Sinus-Rhythm 時間: 2025-3-26 15:18 作者: artless 時間: 2025-3-26 17:29 作者: narcotic 時間: 2025-3-27 00:50
https://doi.org/10.1007/978-88-470-0391-0r cows 2%) and in Dutch Red-and-White (MY) 6.5% (heifers 15%, second calvers 4%, older cows 2%)..Dystocia data obtained during 1969 – 73 for MRY AI centres in the.Province of North Brabant for 30 232 heifer and 109 306 cow calvings have.been analysed by Pijnenburg (student thesis, University of Wage作者: Traumatic-Grief 時間: 2025-3-27 02:20
Neurodegeneration in Multiple Sclerosisving s and birth weight, are given in Table 2 and Figure 1. It can be noticed that: 1) All breeds used increase the weight of calves more or less markedly, but calving difficulties only become frequent with a birth weight of over 42 – 45 kg. 2) British breeds (small sized) do not reach this birth we作者: 音樂學者 時間: 2025-3-27 05:38 作者: Leaven 時間: 2025-3-27 10:39 作者: Ligament 時間: 2025-3-27 15:15 作者: immunity 時間: 2025-3-27 21:27 作者: 色情 時間: 2025-3-28 00:28
Reproductive Performance in Crossbreeding: Results from a Current Experiment in the Federal Republicoriginating from southern Germany (German Brown x German Simmental or German Yellow)..Calving problems were considerably increased by breeding large-framed bulls to German Friesian but not to German Brown cows. These problems are due to heavier birth weights of calves and to some extent are responsi作者: Anthology 時間: 2025-3-28 04:00 作者: 靦腆 時間: 2025-3-28 07:25 作者: decode 時間: 2025-3-28 11:12
Breeding for Calving Performancenvestigated, indicating an antagonistic relationship between the genetic make-up of the cow and the calf..Long-term intrabreed selection should be based primarily on daughter-group results, which best express ease of calving in relation to inherited birth weight of the calf. Genetic variation in cal作者: 咽下 時間: 2025-3-28 17:06
Sire Evaluation for Dystocia in Dutch Cattle Breedsr cows 2%) and in Dutch Red-and-White (MY) 6.5% (heifers 15%, second calvers 4%, older cows 2%)..Dystocia data obtained during 1969 – 73 for MRY AI centres in the.Province of North Brabant for 30 232 heifer and 109 306 cow calvings have.been analysed by Pijnenburg (student thesis, University of Wage作者: 真繁榮 時間: 2025-3-28 22:40
Comparison of the Main European Cattle Breeds Used in Industrial Crossing on French Friesian Dairy Cving s and birth weight, are given in Table 2 and Figure 1. It can be noticed that: 1) All breeds used increase the weight of calves more or less markedly, but calving difficulties only become frequent with a birth weight of over 42 – 45 kg. 2) British breeds (small sized) do not reach this birth we作者: Demulcent 時間: 2025-3-29 01:29
Survey of the Incidence of Calving Problems, Calf Mortality, and their Economic Importance: Dairy anribes first the results obtained from observations on calving in dual-purpose breeds made at the Institute of Animal Husbandry and Animal Behaviour over many years. Based on these results, the main interrelationships and factors influencing the occurrence of calving problems and the loss of calves a作者: narcissism 時間: 2025-3-29 03:28 作者: ARCHE 時間: 2025-3-29 10:14
Selection for Double-Muscling and Calving Problemshe Blue Belgian breed. This selection has succeeded in producing supermeaty animals of very high value for the butcher but has increased calving difficulties to a large extent..Data concerning this problem are analysed and the following points are studied: annual increase in difficult calvings, infl
