A field study of reproductive performance and productivity of Pelibuey ewes in Southeastern Mexico

2013 ◽  
Vol 45 (8) ◽  
pp. 1771-1776 ◽  
Author(s):  
Juan Gabriel Magaña-Monforte ◽  
Miguel Huchin-Cab ◽  
Ricardo Jesus Ake-López ◽  
Jose Candelario Segura-Correa
Keyword(s):  
Field Study ◽  
Reproductive Performance

A field study of the effects of a monovalentLeptospira borgpeterseniiserovar Hardjo strain hardjobovis vaccine administered with oxytetracycline on reproductive performance in beef cattle

2007 ◽  
Vol 231 (11) ◽  
pp. 1709-1714 ◽  
Author(s):  
Ramanathan Kasimanickam ◽  
William D. Whittier ◽  
Jonathan C. Collins ◽  
John F. Currin ◽  
Bom Inman ◽  
...  
Keyword(s):  
Beef Cattle ◽  
Field Study ◽  
Reproductive Performance

scholarly journals THE REPRODUCTIVE PERFORMANCE OF THREE IMPORTED HOLSTEIN HERDS IN IRAQ

2022 ◽  
Vol 21 (1) ◽  
pp. 34-43
Author(s):  
LH. AL-TIMIMI ◽  
S.N Omran
Keyword(s):  
Field Study ◽  
Reproductive Performance ◽  
Corpora Lutea ◽  
Pathological Findings ◽  
Fertility Management ◽  
Cystic Ovary

The reproductive performance of three imported Holstein herds in Iraq was investigated in a field study. For this purpose a total number of 889 cows and heifers from three dairy stations that had been on a poor fertility management were palpated rectally for pregnancy determination. Of these, only 289 cows (32.5 %) were pregnant and 541 (60.85 %) were not pregnant. Regarding the non pregnant cows, 385 cows (70.38 % of the non pregnant, 43.3 % of the total) had a normal genital tracts (normal uteri and functional corpora lutea), indicating that they were cycling; the rest had palpable pathological findings; 69 (12.6 % of the total non pregnant) had ovarian inactivity, 56(10.2%) had purulent metritis; 14 (2.55 %) had cervical fibrosis; 12 (2.19 %) had cystic ovary and only two cows (0.36 %) had a mucometritis. The present data indicate low reproductive performance of these herds. Causes of high conception failure in these herds are discussed.

scholarly journals Field Study of the Impact of Supplementation with Probiotic Yeast (<i>Saccharomyces cerevisiae</i> Sc47-CNCM I-4407) on Reproductive Performance in Dairy Cows

2018 ◽  
Vol 09 (12) ◽  
pp. 1664-1676
Author(s):  
Christine Julien ◽  
Maxime Briche ◽  
Héloïse Legendre ◽  
Vincent Delcloy ◽  
Gérard Heumez
Keyword(s):  
Saccharomyces Cerevisiae ◽  
Dairy Cows ◽  
Field Study ◽  
Reproductive Performance ◽  
Probiotic Yeast ◽  
The Impact
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