Could suckle at any time, normally the 57th day (bucket with nipple, MR, 6 The heiferdaily) to weaning. The hutches were three times per day. A total of eight cows were utilised, of which 3 had been for the group housing at created from fibre-glass, utilised in the second day of life to relocation to 2nd parity, 4 have been for age of weeks. Each and every hutch the 1.2 m) had an outdoors fenced mid-lactation stage, the the 3rd8parity, and 1 was for(1.8 4th parity. Five cows were in theyard of 1.8 1.2 m, and 3 were in the hutches were arranged in rows, 0.8 selected (not randomly) from bedded with straw.the late lactation stage. Foster cows werem apart. The heifers could see milking cows other by way of the openings in the becoming part yield pen wall or fenced yard and touch eachof the herd, using the primary criteria upper milk of the along with the capability to accept an alien calf of your hutch. and to become nursed. The distribution of fostered calves by all eight cows was as follows: 1 = two, two = 1, 3 =eat four =starter 1, 6 = 1, 7 (SM) and alfalfa hay calves in the US group The calves could 4, a two, five = mixture = two, and eight = 3. Heifer as a free of charge option until suckled colostrum andUS calves could consume SM and alfalfatimesfrom a(three 10 minutes/day) weaning. The RS along with the mother’s milk ad libitum 3 hay a day special feeder as a in the second for the third no access to fodder milk of from cows in the 4th day free of charge decision, and also the calves had days. They suckled the cows foster the trough. Cows could (suckle at any time) to feeder (Figure 1). CR of US calves per foster cow was bucket and not eat in the calves’weaning. The numbergroup calves received SM from a determined according from a yield on the chosen cows, supplied precisely the same of and per calf alfalfa hay to milk crib feeder. All calves wereensuring that 6 kgSMmilk forage. and day is offered. Milk yield controls have been performed oncomposed ofbefore moving for the experThe MR with dry matter (DM), 94.7 , was the last day dry whey, dry buttermilk, iment and then weekly thereafter. The US group vegetable oil, a pen of 9 4.five m (crude dry skimmed milk, animal fat, whey dried with was housed in and wheat luten(3 nursing cows and 102 heifer calves). Calves DM, not housed DM, and crude fibre 6.0 g/kg protein 226 g/kg DM, crude fat 196 g/kg were ash 87 g/kg individually having a foster cow. Cows have been tied within a pen, contained had been wheat, soybean meal, oats, corn, and a mineral DM). The SM (DM 89.3 ) and calvesbarley,kept loose. Immediately after CDK| possessing nursed g/kg DM, crude fat 32 g/kg DM, and h, the g/kg in the mixture (crude protein 214their dams in an individual pen for 24 ash 81 calvesDM). conventionalheifers have been also divided (not random) accordingin hutches fromof the birth The rearing group (CR, n = 17) were kept individually towards the season 2nd to 56th (SB1 (bucket with nipple, MR; 2nd day, three 0.5 kg; 3rd day,SB3 1.0 kg; 4th day, three 1.5=kg; day = January arch, N = 21; SB2 = April une, N = 14; 3 = July eptember, N 7; and from 5th day 6 kg/day to 21st day 3 every day) after which within a loose housing pen in the 57th day (bucket with nipple, MR, six kg/day, 2daily) to weaning. The hutches have been created from fibre-glass, used from the second day of life to relocation to group housing at the age of 8 weeks. Each and every hutch (1.eight 1.two m) had an outside fenced yard of 1.8 1.2 m, bedded withAgriculture 2021, 11,4 ofand SB4 = October ecember, N = 9). The division into rearing groups was as follows: RS (SB1 = 9, SB2 = 3, SB3 = 3, and SB4 = 3; 18), US (SB1 = 5, SB2 = three, SB3 = 4, and SB4 = four; 16),.
