Zobrazeno 1 - 10
of 492
pro vyhledávání: '"35"'
Autor:
Joel M. DeRouchey, Michael D. Tokach, K. D. Haydon, Robert D. Goodband, Jason C Woodworth, Hadley R Williams, Chad W Hastad, Zach B. Post
Publikováno v:
J Anim Sci
A total of 912 pigs (PIC TR4 × (Fast LW × PIC L02)) were used in a 43-d trial to evaluate the influence of feed grade amino acid levels in late nursery and grower diets containing 30% dried distillers grains with solubles (DDGS) on growth performan
Autor:
Nicoline M. Soede, M.L.W.J. Broekhuijse, B.F.A. Laurenssen, Han A. Mulder, C. L. A. Da Silva, Bas Kemp, Egbert F. Knol
Publikováno v:
Journal of Animal Science. 95:3160-3172
This study investigated the relationship between ovulation rate (OR) and embryonic characteristics in gilts. Landrace ( = 86) and Yorkshire x Landrace ( = 212) gilts were inseminated with semen stored for 3 to 5 d (SS1, = 59), 6 to7 d (SS2, = 133), o
Publikováno v:
J Anim Sci
To determine the effects of late gestation heat stress on placental development, dairy cows were exposed to heat stress (HT, shade) or cooled (CL, shade, fans and soakers) during the final 46 d pre-calving on the University of Florida dairy facility
Autor:
Joao M. B. Vendramini
Publikováno v:
J Anim Sci
Warm-season perennial grass, also called C4, are the predominant forages for ruminant production in tropical and subtropical regions. In general, C4 grasses have greater herbage production in warm-climate regions due to a more efficient carbon fixati
Autor:
Raluca G. Mateescu, Douglas L. Step, Kelsey Bruno, Clinton R. Krehbiel, Levi J McPhillips, Sara E. Place, Megan M Rolf, Taylor C Husz, Udaya DeSilva, M. S. Calvo-Lorenzo, D. L. VanOverbeke
Publikováno v:
Journal of Animal Science. 96:18-19
Publikováno v:
Journal of Animal Science. 81:2352-2356
In a previous report, it was suggested that intrauterine crowding impaired fetal erythropoiesis and that fetal erythropoiesis was accelerated in Meishan pigs during early pregnancy. Because these conclusions were based on limited numbers of observati
Autor:
R. A. Wann, Ronald D. Randel
Publikováno v:
Journal of Animal Science. 68:1389
Thirteen multiparous (M; 451 kg, 6.1 body condition score) and 11 primiparous (P) Brahman cows (408 kg, 6.3 body condition score) were assigned randomly within parity to receive either 2-min uterine manipulation (UM) per rectum 35 d after calving or
Publikováno v:
Journal of Animal Science. 60:755-759
Summary We compared estrous and farrowing traits in 274 Duroc x Yorkshire sows penned either in individual gestation stalls or in groups (four or five sows/group) during the intervals from weaning to breeding and from breeding to 30 to 35 d after bre
Publikováno v:
Journal of Animal Science. 65:1034-1041
The relationship between estrogen or prolactin (Prl) status of pigs at birth and subsequent performance was examined in ten (Study 1) or seven (Study II) Yorkshire litters. In both studies, piglets were bled (3 ml) from the suborbital sinus at birth,
Publikováno v:
J Anim Sci
Ovine progressive pneumonia virus (OPPV) is a small ruminant lentivirus that is widespread throughout U.S. sheep flocks. Infections with OPPV are lifelong and effects are multi-systemic with significant implications for animal well-being and producti