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Association of insulin-like growth factor I gene polymorphisms (IGF1/TasI and IGF1/SnaBI) with the growth and subsequent milk yield of Polish Holstein-Friesian heifers
cattle body weight insulin-like growth factors milk performance
2015/6/24
The aim of this study was to estimate potential relationships between insulin-like growth factor I gene polymorphisms (IGF1/TasI and IGF1/SnaBI) and the growth parameters of calves as well as their su...
The association between the somatic cell count and isolated microorganisms during subclinical mastitis in heifers in Jordan
subclinical mastitis (SCM) somatic cell count
2015/5/25
All isolates except for the CNS group exhibited strongly elevated SCC
(> 1 × 106
cells/ml). However, the coagulase-negative Staphylococci did not have a distinct pattern with respect
to SCCs. The...
Intrafollicular LH administration in dairy heifers treated with a GnRH agonist
intrafollicular treatment double channel system luteinising hormone deslorelin cattle
2015/4/17
The aim of this study was to evaluate the effect of intrafollicular treatment (IFT) with different doses of luteinising hormone. Experimental heifers were treated with a single deslorelin implant to d...
Effects of Border disease virus (genotype 3) naturally transmitted by persistently infected sheep to pregnant heifers and their progeny
Border disease virus abortion sheep
2015/4/8
Eight heifers pregnant between days 47 and 73 were kept together with nine healthy persistently Border disease virus (BDV)-infected sheep allowing natural contact comparable to field conditions. All h...
Effect of Exposure to Various Durations of Light on Serum Insulin-Like Growth Factor-I in Prepubertal Holstein Heifers
Photoperiod heifers growth factor prepubertal
2009/1/19
Our objective was to determine if prolonged exposure to various durations of light (i.e., photoperiod) would affect serum IGF-I concentrations in heifers. Thus, 16 Holstein heifers, 2 to 4 mo of age,...