SPALL
发表于 2025-3-25 07:14:33
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.
出生
发表于 2025-3-25 10:47:58
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正式演说
发表于 2025-3-25 12:54:15
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空气
发表于 2025-3-25 18:01:36
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
无法治愈
发表于 2025-3-25 20:07:36
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
BYRE
发表于 2025-3-26 03:30:00
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
Canvas
发表于 2025-3-26 07:10:36
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
interlude
发表于 2025-3-26 10:00:50
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
Sinus-Rhythm
发表于 2025-3-26 15:18:51
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artless
发表于 2025-3-26 17:29:14
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