Effects of liveweight gain during pregnancy of 15‐month‐old Angus heifers on dystocia and birth weight, body dimensions, estimated milk intake and weaning weight of the calves

References

• Anonymous . 2003 . Agricultural production statistics 2002 . Retrieved 26th June 2007 from www.stats.govt.nz/ tables/2002‐ag‐prod/beef‐cattle‐tables.htm
   Google Scholar
• Barton , RA . 1970 . “ The yield and composition of milk of suckled beef cows and their relation to calf liveweight gains ” . In New Zealand beef production, processing and marketing , Edited by: Campbell , AG . 130 – 140 . Petone, , New Zealand : New Zealand Institute of Agricultural Science Inc. .
   Google Scholar
• Bellows , RA , Short , RE and Richardson , GV . 1982 . Effects of sire, age of dam and gestation feed level on dystocia and postpartum reproduction . Journal of Animal Science , 55 (1) : 18 – 27 .
   Google Scholar
• Bellows , RA , Short , RE and Staigmiller , RB . 1994 . Exercise and induced‐parturition effects on dystocia and rebreeding in beef cattle . Journal of Animal Science , 72 (7) : 1667 – 1674 .
   PubMedGoogle Scholar
• Brown , MA , Brown , AH , Jackson , WG and Miesner , JR . 2001 . Genotype × environment interactions in milk yield and quality in Angus, Brahman, and reciprocal‐cross cows on different forage systems . Journal of Animal Science , 79 (7) : 1643 – 1649 .
   PubMedGoogle Scholar
• Burke , JL , Morris , ST , McCutcheon , SN and Parker , WJ . 1998 . Compudose®: its effects on the growth, offspring performance, lactational performance, and carcass characteristics of Hereford × Friesian heifers at pasture . Australian Journal of Agricultural Research , 49 : 1167 – 1172 .
   Google Scholar
• Carter , AH and Cox , EH . 1973 . Observations on yearling mating of beef cattle . Proceedings of the New Zealand Society of Animal Production , 33 : 94 – 112 .
   Google Scholar
• Doornbos , DE , Bellows , RA , Burfening , PJ and Knapp , BW . 1984 . Effects of dam age, prepartum nutrition and duration of labor on productivity and postpartum reproduction in beef females . Journal of Animal Science , 59 (1) : 1 – 10 .
   PubMedGoogle Scholar
• Drennan , MJ . Effect of plane of nutrition during late pregnancy on the incidence of calving problems in beef cows and heifers . Calving problems and early viability of the calf: a seminar in the EEC programme of coordination of research on beef production . May 4–6 1977 , Freisig, Federal Republic of Germany. Edited by: Hoffman , B , Mason , IL and Schmidt , J . pp. 429 – 443 . The Hague, , Netherlands : Martinus Nijhoff Publishers .
   Google Scholar
• Dufty , JH . 1972 . Clinical studies on bovine parturition: maternal causes of dystocia and stillbirth in an experimental herd of Hereford cattle . Australian Veterinary Journal , 48 (1) : 1 – 6 .
   PubMedGoogle Scholar
• Dufty , JH . 1981 . The influence of various degrees of confinement and supervision on the incidence of dystokia and stillbirths in Hereford heifers . New Zealand Veterinary Journal , 29 (4) : 44 – 48 .
   PubMedGoogle Scholar
• Funston , RN and Deutscher , GH . 2004 . Comparison of target breeding weight and breeding date for replacement beef heifers and effects on subsequent reproduction and calf performance . Journal of Animal Science , 82 (10) : 3094 – 3099 .
   PubMedGoogle Scholar
• Hickson , RE , Morris , ST , Kenyon , PR and Lopez‐Villalobos , N . 2006 . Dystocia in beef heifers: a review of genetic and nutritional influences . New Zealand Veterinary Journal , 54 (6) : 255 – 264 .
   Google Scholar
• Kroker , GA and Cummins , LJ . 1979 . The effect of nutritional restriction on Hereford heifers in late pregnancy . Australian Veterinary Journal , 55 (10) : 467 – 476 .
   PubMedGoogle Scholar
• Laster , DB . 1974 . Factors affecting pelvic size and dystocia in beef cattle . Journal of Animal Science , 38 (3) : 496 – 503 .
   PubMedGoogle Scholar
• Laster , DB , Glimp , HA , Cundiff , LV and Gregory , KE . 1973 . Factors affecting dystocia and the effects of dystocia on subsequent reproduction in beef cattle . Journal of Animal Science , 36 (4) : 695 – 705 .
   PubMedGoogle Scholar
• Laven , RA and Peters , AR . 2001 . Gross morphometry of the bovine placentome during gestation . Reproduction in Domestic Animals , 36 : 289 – 296 .
   Google Scholar
• Lowman , BG . Pre‐calving management and feeding of the beef cow in relation to calving problems and viability of the calf . Calving problems and early viability of the calf: a seminar in the EEC programme of coordination of research on beef production . May 4–6 1977 , Freisig, Federal Republic of Germany. Edited by: Hoffman , B , Mason , IL and Schmidt , J . pp. 392 – 407 . The Hague, , Netherlands : Martinus Nijhoff Publishers .
   Google Scholar
• Meijering , A . 1984 . Dystocia and stillbirth in cattle: areview of causes, relations and implications . Livestock Production Science , 11 (2) : 143 – 177 .
   Google Scholar
• Morris , CA , Smeaton , DC and Pleasants , AB . 2004 . The effect of precalving and postcalving nutritional regimes on calf birth weight and preweaning growth . Proceedings of the New Zealand Society of Animal Production , 64 : 36 – 38 .
   Google Scholar
• Nicol , AM and Nicoll , GB . 1987 . “ Pastures for beef cattle ” . In Livestock feeding on pasture , Edited by: Nicol , AM . 145 Christchurch, NZ : New Zealand Society of Animal Production .
   Google Scholar
• Nugent , RA III , Notter , DR and Beal , WE . 1991 . Body measurements of newborn calves and relationship of calf shape to sire breeding values for birth weight and calving ease . Journal of Animal Science , 69 (6) : 2413 – 2421 .
   PubMedGoogle Scholar
• Parminter , TG , Power , MPB and Shaw , DC . 1993 . The effects on adoption of beef breeding cow technologies of selected farm business standards, farmer demographics, and farmer beliefs . Proceedings of the New Zealand Society of Animal Production , 53 : 121 – 125 .
   Google Scholar
• Peachey , BM and Morris , ST . 1998 . Effect of sward height during lactation on heifer and calf performance . Proceedings of the New Zealand Grassland Association , 60 : 225 – 228 .
   Google Scholar
• Philipsson , J . 1976 . Studies on calving difficulty, stillbirth and associated factors in Swedish cattle breeds. IV. Relationships between calving performance, precalving body measurements and size of pelvic opening in Friesian heifers . Acta Agriculturae Scandinavica , 26 (3) : 221 – 229 .
   Google Scholar
• Pleasants , AB and Barton , RA . 1987 . Effect of pre‐calving liveweight gain of Angus heifers calving at two years of age on their subsequent milk yield and calf growthrate . New Zealand Journal of Experimental Agriculture , 15 : 151 – 153 .
   Web of Science ®Google Scholar
• Pleasants , AB and Barton , RA . 1992 . Precalving nutrition of heavy two year old Angus heifers weighing 415 kg at calving . Proceedings of the New Zealand Society of Animal Production , 52 : 303 – 305 .
   Google Scholar
• Price , TD and Wiltbank , JN . 1978 . Dystocia in cattle. A review and implications . Theriogenology , 9 (3) : 195 – 219 .
   Google Scholar
• Prior , RL and Laster , DB . 1979 . Development of the bovine fetus . Journal of Animal Science , 48 (6) : 1546 – 1553 .
   PubMedGoogle Scholar
• Rice , LE and Wiltbank , JN . 1972 . Factors affecting dystocia in beef heifers . Journal of the American Veterinary Medical Association , 161 (11) : 1348 – 1358 .
   PubMedGoogle Scholar
• Rutter , LM , Ray , DF and Roubicek , CB . 1983 . Factors affecting and prediction of dystocia in Charolais heifers . Journal of Animal Science , 57 (5) : 1077 – 1083 .
   PubMedGoogle Scholar
• Sawyer , GJ , Barker , DJ and Morris , RJ . 1991 . Performance of young breeding cattle in commercial herds in the south‐west of Western Australia. 3. Calf growth, dystocia, and their relationship with production and fertility measurements in first‐calf heifers . Australian Journal of Experimental Agriculture , 31 (4) : 455 – 465 .
   Google Scholar
• Sejrsen , K , Purup , S , Vestergaard , M and Foldager , J . 2000 . High body weight gain and reduced bovine mammary growth: physiological basis and implications for milk yield potential . Domestic Animal Endocrinology , 19 : 93 – 104 .
   PubMed Web of Science ®Google Scholar
• Smith , GM , Laster , DB and Gregory , KE . 1976 . Characterization of biological types of cattle 1. Dystocia and preweaning growth . Journal of Animal Science , 43 (1) : 27 – 36 .
   PubMedGoogle Scholar
• Spitzer , JC , Morrison , DG , Wettemann , RP and Faulkner , LC . 1995 . Reproductive responses and calf birth and weaning weights as affected by body condition at parturition and postpartum weight gain in primiparous beef cows . Journal of Animal Science , 73 (5) : 1251 – 1257 .
   PubMedGoogle Scholar
• Thatcher , WW , Wilcox , CJ , Collier , RJ , Eley , DS and Head , HH . 1980 . Bovine conceptus—maternal interactions during the pre‐and postpartum periods . Journal of Dairy Science , 63 : 1530 – 1540 .
   Google Scholar
• Wiltbank , JN and Remmenga , EE . 1982 . Calving difficulty and calf survival in beef cows fed two energy levels . Theriogenology , 17 (6) : 587 – 602 .
   Google Scholar