نتایج جستجو برای: age at first kidding

تعداد نتایج: 4941851  

Journal: :Journal of Dairy Science 1980

2004
M. B. Ferguson B. A. McGregor

M.B. Ferguson and B.A. McGregor PIRVic (Primary Industries Research Victoria), Department of Primary Industries, Private Bag 105, Hamilton, Victoria 3300, Australia PIRVic (Primary Industries Research Victoria) Department of Primary Industries, 475 Mickleham Rd, Attwood, Victoria 3049, Australia ________________________________________________________________________________ Abstract Genetic im...

Journal: :Canadian Medical Association Journal 2012

Journal: :Journal of Dairy Science 1985

Journal: :CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne 2012
Lauren Vogel

Journal: :iranian journal of public health 0
"d.d. farhud m.s kamali m.mahmoudi r. saffari "

three generations of women (3570 daughters, 1148 mothers and 131 grandmothers) from tehran, iran have been studied for menarcheal age. the results show that the age of onset of menarche has decreased in the present generation- 13.599, compared to 13.690 and 13.870 years, amount their mothers and grandmothers, respectively. these results, when compared with results obtained concerning the other ...

Journal: :Genetics and molecular research : GMR 2011
L F Brito F G Silva A L P Melo G C Caetano R A Torres M T Rodrigues G R O Menezes

Data from 1279 lactations of 783 Alpine and Saanen goats of the herd of our university in Minas Gerais, Brazil, were used to study environmental effects on and to estimate genetic parameters for milk production until 270 days of lactation (MP270) and for production and percentages of fat (PFAT and %FAT), protein (PPROT and %PROT), lactose (PLACT and %LACT), and total dry extract (PEXTR an...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

a large number of single research studies on the effects of strategy-based instruction (sbi) in teaching english as a foreign or second language has been conducted so far. however, the lack of a comprehensive meta-analysis targeting the effectiveness of english language sbi is observed. moreover, the findings of experimental studies regarding the context of the english language, proficiency lev...

2007
J. R. Khan

The effects of fetal number (single or twin) on blood glucose and plasma NEFA during pregnancy and around parturition were studied on ten Alpine × Beetal crossbred goats in their first to third lactation. The animals were divided in-groups 1(carrying single fetus, n=4) and 2(twin fetus, n=6). The samples were drawn on day1 after estrus and then at 14 days interval (fortnight) for 10 fortnights....

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